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A história da matemática como metodologia de ensino da matemática: perspectivas epistemológicas e evolução de conceitos
(Universidade Federal do Pará, 2005-02-28) GOMES, Emerson Batista; ESPÍRITO SANTO, Adilson Oliveira do; http://lattes.cnpq.br/5870609258842071
We are frequently censured of a population without memory, not for we have not passed, that would be absurd and our homeland is responsible for several cultural constructions and you conquer scientific-technological. The problem resides in the negligence character that most of the population is habituated when of the conservation of the good values and you know. Being like this, a lot of activities and procedures are treated with neglect by this part of the population. We are not being here just about the population with not very or any access to the education, but of the class intellectualized that trust in the science as something finish and without historical foundation, once they excel for the obtained results and not for the means of construction of these knowledge. It is in this context that we judged he/she/it to justify our assertion epistemological. We possessed the understanding that nothing related to the teaching process should be treated without a formation conceptual paltada in its history. This for we believe that only after a reflection act about the actions practiced in the daily academic, we can notice the due relationships incorporated to the field of the personal, social and cultural conscience. Having incorporated such ideal, we felt the back-up need in the certain of the Mathematical Education, more specifically in if being about the defense of the History of the Mathematics as teaching methodology. For so much we investigated by means of a questionnaire the positions with relationship to the education, to the history and the several teachers' of the public net mathematics and peculiar of teaching. The these teachers' thoughts went of great importance to mold the forms with that would approach our defense of the history as methodology of teaching of the mathematics. We judged important, still, our explicit way to conceive the reflection by means of the construction of the knowledge, being this treated so much in philosophical stamp as psychological. The construction of the dissertation would not be complete if we didn't discuss the forms of perception of the history in elapsing of the times and our conception of the history as teaching methodology. That we made it, with the hope of we be contributing to the improvement of the mathematics teachers' posture in class room and of the conscience that should have memory of the construction of ours you know.
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As atitudes em relação à matemática dos professores das séries iniciais
(Universidade Federal do Pará, 2004) TRINDADE, Patrícia de Campos Corrêa; SILVA, Francisco Hermes Santos da; http://lattes.cnpq.br/3912906225739008
A presente pesquisa teve como finalidade verificar a ocorrêncai de atitudes em relação à Matemática de futuros professores dos primeiros anos do Ensino Fundamental que atuarão em escolas no Estado do Pará. O estudo foi realizado em uma universidade pública, no município de Belém. Os sujeitos da pesquisa foram 96 alunos (47 do primeiro semestre e 49 do último semestre). Os instrumentos utizados para a obtenção dos dados relativos aos alunos foram uma escala, do tipo Likert, de atitude em relação à Matemática proposta por Aiken, 1969 revisada por BRITO, 1996; (Anexo I) e um questionário semi-aberto composto de questões sobre o comportamento frente ao aprendizado da Matemática e/ou sobre como enfrentar a responsabilidade de ensinar Matemática nas séries iniciais (Anexo II), cujo objetivo foi obter informações relevantes para o presente estudo. O resultado da análise das atitudes em relação à Matemática constatou que 53 pessoas das 96 têm atitudes mais positivas em relação à Matemática, ou seja, representando 52%, cuja média ficou em 51. Os resultados da análise da escala mostraram um coeficiente de confiabilidade elevado, sendo alfa = 0.9544. A análise do questionário revelou que não há diferença significativa de concepção entre os grupo entre os grupos, 63% dos sujeitos com atitudes positivas e negativas detêm a concepção mecanicista da Matemática e, evidenciou que os sujeitos que apresentam atitudes negativas (futuros professores) não têm um bom desempenho em Matemática.
Acesso aberto (Open Access)
Constituição dos saberes docentes de formadores de professores de matemática
(Universidade Federal do Pará, 2006-06-07) SOARES, Narciso das Neves; GONÇALVES, Tadeu Oliver; http://lattes.cnpq.br/6789250569319668
The objective of this research is to understand how Mathematics teachers instructors, during their formation and professional development, constitute, make and remake, facing the challenges of the teaching practice in college degree level, their teaching knowledge. The subjects of the research are teachers who work as teachers instructors in the graduation degree course of Mathematics of the Federal University of Pará (UFPA), placed in the south and southeast university Campi of Pará. The production of material for analysis was held through interviews, which have been recorded and in which one sought for information with five Mathematics teachers makers, all of them graduated by the Federal University of Pará. Three of these teachers work in specific disciplines of mathematics and the other two in pedagogic disciplines. The analysis of the professional formation of the instructors was developed by taking into account their formation starting from their family atmosphere, their passage by the Elementary and High School Teaching, their graduation and to their post graduation, and even considering the challenges and difficulties of the teaching practice lived by them, in order to constitute their teaching identity. Three were the analysis axis: a) the initial and continual formation of the teacher; b) perceptions and reflections concerning the degree course in Mathematics of the CSSP; c) the way how it conceives, produces and develops their teaching work, and how these processes have contributed to the construction of their teaching knowledge. The results of the research indicate that, among other aspects, during the formation process and professional development, the construction of knowledge of the instructor is characterized by a period of intensive learning which combines with what the literature says about the reality shock, being marked by challenges, anguishes and dilemmas, but, also, by satisfaction feelings, responsibility and happiness. The analysis of the speeches of the teachers instructors reveals to us how their acquired knowledge is mobilized along the life, especially during their teaching practice; and they evidence that despite the fact that the teachers notice that it is in the pedagogic action that they learn and continue to learn how to be teachers, and they also recognize that the academic formation has been fundamental and it constitutes a differential one in the process of their professional constitution.
Acesso aberto (Open Access)
Desenvolvimento e avaliação de um sistema informatizado de instrução para a formação de conceitos
(Universidade Federal do Pará, 2009-03) MARQUES, Leonardo Brandão; GALVÃO, Olavo de Faria; http://lattes.cnpq.br/7483948147827075
Programmed Education, Teaching Machines and the Personalized System of Instruction (PSI) are behavior-biased approachs to education which guided the design of a computer-aided educational software based in choice tasks used to evaluate two instructional conditions: choices among definitions and choices among examples, with naive and experienced students. Tasks were built considering performances as training of intraverbal operants relatated to concepts and allowed to verify the decrease in errors after first block of trials in all four conditions. Performances in all four conditions were similar, naive and experienced students equally benefited of the program. Data indicated transfer of learning to a post-test categorization task. Comparisons between complex questions with multiple choices between examples and definitions must be cautious. Errors concentrated in the first block of questions of each concept indicated that samplecomparison relations transferred to questions presented in the next block. Parametric manipulation in future studies may generate more evidences on variables contributing to better learning of concepts in computer programmed choice tasks.
Acesso aberto (Open Access)
Efeitos da exposição continuada a regras descritivas sobre o comportamento escolar de crianças
(Universidade Federal do Pará, 2009-09-09) CRAVEIRO, Cíntia Caroline Prado; PARACAMPO, Carla Cristina Paiva; http://lattes.cnpq.br/9018003546303132
Children histories have been used as ludic-didactic resource in installation of behaviors. In this literature, these behaviors are usually described in a descriptive rules way, describing general relationships among events.The study analyzed the efects of continued exposure to the descriptive rules presented in children histories about the frequency and time of commitment in pro-study behaviors, in four 7 to 8-years old children. The study had three stages. In the first stage, semi-structured interviews with the children teachers were made to colect some reports about children performance in school activities. In the second stage, cursive registers of children behavior in the classroom were made to identify occurence and frequency of the behaviors reported by the teachers. Then, it was possible to select and categorize the main behaviors to be observed in the study. The selected behaviors were: to Copy and Answer the exercise and to Get visa. The third stage was a base line session and six phases. In the base line session, a register of the occurence of these behaviors were made with the objective to have a base line of the frequency and duration of them. The six phases consisted of reading a child history and a register session of the occurence of the main behaviors. In each phase, a different history was read. It had a descriptive rule describing positive consequences of the selected behaviors and negative consequences of behaviors that didn't match with the selected ones. The results showed that all participants, in the last register session, increased meaningfully the time spent in copying and answering the exercise activities, as well as, the number of times that these behaviors were emitted, in relation to the base line session.They all emitted the Getting visa behavior in the register session. These results sugest that the continued exposure to the descriptive rules in children histories contributed to install or increase the frequency of the Copying and Aswering the exercise and Getting visa, as well as to increase time of commitment of children in these activities.
Acesso aberto (Open Access)
Efeitos de videomodelação instrucional sobre o desempenho de cuidadores na aplicação de programas de ensino a crianças diagnosticadas com autismo
(Universidade Federal do Pará, 2015-03-25) BARBOZA, Adriano Alves; BARROS, Romariz da Silva; http://lattes.cnpq.br/7231331062174024
Caregiver teaching has been a promising methodology to face the arising demand of individuals diagnosed with developmental delays, especially those with Autism Spectrum Disorders (ASD). This study aimed to develop and evaluate the effect of a package of instructional videomodeling on the performance accuracy of caregivers in implementing teaching programs to children diagnosed with ASD. The videos used had, as essential elements: exhibition of multiple exemplars, subtitles, narrations, and visual cues throughout the video. A multiple-baseline design across participants was used to measure the effect of the videomodeling procedure on the performance accuracy of the caregivers. Three parents of children diagnosed with TEA participated: Alice, Cassio, and Fernanda, who presented, respectively, 6%, 25%, and 45% average accuracy throughout baseline measures. After videomodeling procedure, performance accuracy reached 83%, 88%, and 80% average accuracy. Considering such results, we believe that the procedure of instructional videomodeling is promising to disseminate behavioranalytic intervention, in a less resource demanding way. Subsequent research should improve the intervention package here described, in order to obtain better results and provide a tool to disseminate behavior analytic intervention to wider portions of the affected population.
Desconhecido
Emergência de leitura recombinativa de frases em crianças de escolas públicas
(Universidade Federal do Pará, 2010-03-05) VALE, Juliana Baía do; BAPTISTA, Marcelo Quintino Galvão; KATO, Olivia Misae; http://lattes.cnpq.br/3612219210222465
One of the main complaints in the academy concerns reading comprehension difficulty presented by a large segment of Brazilian students, at the various learning levels. Equivalence paradigm has contributed for the understanding of the behavior processes involved in the acquisition and understanding of the texts reading repertoires. This study, through systematic replication, aimed to: 1) verify the outcome of syllable discrimination teaching in textual reading emergency of words and teaching and recombined phrases; 2) investigate the effect of a teaching procedure of discrimination of dictated and printed words (AC) in reading emergency with understanding of words and teaching and recombined phrases; 3) program a teaching procedure capable of producing few or no mistakes at all; 4) improve the procedures used by previous studies, making them more efficient and economical with less performance variability among the participants. The stimuli were auditive, visual, and auditive - visuals (syllables, words, and spoken and printed phrases, as well as printed pictures). Conditional discrimination teaching was done between words/ spoken phrases and pictures (AB Relation) syllables/ words/ spoken phrases and printed stimuli AC relation). Six experimental phases were programmed. The reading unit was gradually expanded during the phases, and by Phase V they were composed of demonstrative pronouns, concrete nouns, adjectives and intransitive verbs. All participants showed textual reading of simple and complex syllables and immediate emergency with understanding of the teaching words. Most participants promptly showed the textual reading of the words. All participants, but for one, showed emergency of textual reading of all phrases with four words. Most participants promptly showed reading with understanding of words and phrases. On Phase III, most participants showed reading of phrases with two words during the first exposition, and one female participant read correctly in the second exposition. On Phase IV, five participants showed textual reading of phrases with three words during the first exposition while a female participant after the reading emergency with understanding. In the repertoire maintenance test, most participants read all study words and phrases, except for two participants during the reading of phrases with two and three words. The performance of the participants occurred during the reading of phrases with four words. These results indicate that if the discrimination between syllables were taught directly, recombinative generalized reading emergency of words and up to four components phrases will occur without establishing the partial control, meanwhile special learning procedures will not be felt necessary.
Desconhecido
Emergência de relações diretas e indiretas após treino do tipo respondente em crianças com e sem autismo
(Universidade Federal do Pará, 2018-01-29) PEREIRA, André Abraçado; TONNEAU, François Jacques; http://lattes.cnpq.br/2917023797307669
Studies have been designed using methodological alternatives to the use of operant reinforcement in contexts of training of complex behavioral relations (e.g., Leader, BarnesHolmes e Smeets, 1996). One of these alternatives consists of the training of the respondent type, which consists of presenting stimuli in pairs without providing reinforcers. Although no explicit response is required in this procedure, indirect or equivalence relations are generated (Sidman, 1994). The present study aimed to compare the effects of training of the respondent type, involving previously known visual stimuli, on the performance of children with autism spectrum disorder and typical children in tests of direct and indirect relations between stimuli. A total of 15 children, five to eleven years old, participated in the study. Five children had previously been diagnosed with autism spectrum disorder (ASD) and ten children were typical. All participants were exposed to matching between stimuli of sets A and B, and between stimuli of sets A and C. Test phases consisted of matching to sample tests (without reinforcement) involving direct (BA and CA) and indirect (BC and CB) relationships. Most participants obtained results close to chance, but with systematic differences between direct and indirect pairs. We discuss these results based on methodological aspects and characteristics of the participants.
Desconhecido
Emergência de relações numéricas em crianças surdas
(Universidade Federal do Pará, 2004-03) CARMO, Ruth Daisy Capistrano de Souza; ASSIS, Grauben José Alves de; http://lattes.cnpq.br/0722706223558223
Studies focusing on the formation of ordinal classes have reported a number of experimental findings relevant to the comprehension of sequential stimulus relations. The aim of this investigation was to replicate previous findings obtained with normal children and adults (Study 1) using a training by chaining procedure in order to ascertain whether learning in deaf children could also be maintained under conditional control, using visual stimuli and chained motor responses (Study 2). In study 1, seven children with profound hearing impared degree, sign language naives, served as subjects. A programmed procedure was used to chain responses to three sets of stimuli: A = printed number names, B = numbers presented in Brazilian Sign Language and C = abstract forms in different quantities. The values assigned to the three stimulus categories varied from 1 to 6. In Study 2, five deaf children were subjected to the same teaching procedure, although with sequential variation. Each participant was to respond, in the presence of a green-colored stimuli, presented in a A1A2A3A4A5A6 sequence; and in the presence of a red-color stimuli in the 6A5A4A3A2A1 sequence. In both studies, after having responded correctly to each sequence, an animated figure appeared on the screen, and the experimenter praised each child with signed words signifying very good, correct, or great. When an incorrect response was emitted, the screen whitened for a second, and a new configuration of stimuli was presented randomly. The sessions were carried out in a classroom in a public school for hearing-impaired students. It was used a laptop computer with software designed to present the stimuli and record behavioral data. After each trial and a revised baseline for each response sequence, tests of transitivity and connectivity were administered in order to 16 evaluate the emergence of ordinal classes, in a non-adjacent paired stimulus array with substitutability. The results showed that the participants responded quickly in both studies. In conclusion, the procedure was efficient in facilitating the acquisition of numerical concepts, and showed that emergence of equivalent stimulus classes occurred outside the matching-tosample format in hearing-as well as deaf children.
Acesso aberto (Open Access)
Ensino de ciências em Cabinda/Angola: condições da prática docente, idéias de professores e desafios
(Universidade Federal do Pará, 2007-02-01) BUZA, Juliana Lando Canga; GONÇALVES, Terezinha Valim Oliver; http://lattes.cnpq.br/0496932429575513
This study presents a qualitative research developed with Science teachers of an Elementary School in the Province of Cabinda, Angola. The school where the twelve teachers involved in the research work trains them to perform in all the grades of basic education. The research, held in the narrative approach, is divided into seven sections. The teaching practice conditions and teachers’ ideas and challenges were some of the issues taken into consideration. In order to achieve my goals, I try to rescue the historical context of the country, considering the five centuries of settlement until Independence, in 1975; as well as the three decades of Civil War up to the peaceful moments shared by the people nowadays. After that, I make a brief view of Education history focusing on the changes made during these four periods: Colonial, Post-Colonial, Civil War and the peaceful moments. The analysis was carried out based on a questionnaire of sixteen open questions applied to all the twelve teachers. The teachers’ answers were organized into four categories: motivation for teaching and affinity for the profession; what the teachers demonstrated to know about Science and the teaching of such subject; the teaching working conditions and the teachers’ continuing education; the self-vision of their teaching practices and of their teaching of Science. These categories led to the analysis of the data in relation to the teaching of Science in Cabinda, which resulted in the following: the majority of the teachers who work with elementary education do not have graduate formation for such; they had been motivated by some other reasons for teaching; their performance, as Science teachers, occurs by their sole and own effort; the working conditions are very poor - there’s lack of bibliographical material and difficulties to access information; there are no Biology, Physics and Chemistry graduate courses to qualify teachers for high-school education; there are not continuing educational programs for Science teachers. Even so, the teachers face the challenging task to teach to the youth, they also feel proud of being teachers in Cabinda and demonstrate optimism and hopefulness to continue their studies, at a higher educational level.
Acesso aberto (Open Access)
Ensino de discriminações de palavras com Onset/Rime e a emergência da leitura recombinativa em inglês da simbologia braille e do alfabeto romano em relevo em cegos
(Universidade Federal do Pará, 2009-08-31) LEITÃO, Graça Maria Evangelista; KATO, Olivia Misae; http://lattes.cnpq.br/3612219210222465
Recent studies have documented that the explicit teaching of discrimination of syllables promotes the emergence of reading of syllables of teaching and syllables with recombination of the letters of the syllables of teaching. It also readily promotes the reading of words formed by the syllables of teaching and recombined. Studies have shown the reading of new words with recombination of onset and rime as facilitator factor when the English language is taught as mother tongue. The learning of English by blind people have been documented as a factor of inclusion. This study investigated whether the teaching of discrimination of words with segmentation onset/rime facilitates the reading of new words in English, as foreign language, using Braille symbols and the Roman alphabet in raised letters. Three blind women, fluent Braille readers, participated. The study comprised three stages. Stage Ia (auditory/Braille), Stage Ib (Braille/Roman alphabet in raised letters) and Stage Ic (auditory/Roman alphabet in raised letters). In Stage I the participants were exposed to a pretest, teaching of conditional discrimination and textual reading test of training and generalization words. In Stage Ic it was applied a test of conditional discrimination. In Stages II and III were applied tests of textual reading of recombined simple (Stage II) and compound (Stage III) words and naming of objects. It was tested the relations between spoken words and objects (AB), spoken words and printed words (AC), objects and printed words (BC) and printed words and objects (CB) which documented the comprehension reading of the words in Braille and Roman alphabet in raised letters, and the emergence of copy and dictation. The three participants reached the criterion in all phases of all stages. The results showed that the teaching of discrimination of words with segmentation onset/rime facilitated the emergence of recombinative reading in English, as foreign language, with blind speakers of Portuguese, using Braille and Roman alphabet in raised letters, it also showed the emergence of reading with comprehension with the equivalence of stimuli procedure. These results indicate that new technologies for teaching, that enable greater inclusion of blind people in community, can be generated.
Acesso aberto (Open Access)
Ensino de leitura a partir de unidades mínimas a jovens e adultos
(Universidade Federal do Pará, 2002) SANTOS, Ana Cláudia Cunha dos; GALVÃO, Olavo de Faria; http://lattes.cnpq.br/7483948147827075
The Experimental Analysis of Behavior has contributed expressively to the production of knowledge applied to human problem solving. The behavior analysts have been producing a variety of studies that investigate the basic processes involved in the acquisition of reading and writing performances, and teaching procedures that may develop these repertoires. Some studies have obtained positive results using procedures that establish the control by minimal units of reading, syllables, starting teaching macro units, words. However, it may be possible to teach reading using other alternative procedures. This study investigates the efficacy of a teaching program that starts teaching reading from minimal units and then macro units, using behavioral technology. Four of six participants finished the program. All participants learned to read the taught words. One participant showed generalized reading when first tested, the other three participants needed repeated tests. Two participants developed construction of dictated taught and recombined words. Results indicate control by minimal units. Further research concerning stimulus control of writing dictated words, one important relation to be learned to achieve functional literacy, is necessary.
Acesso aberto (Open Access)
Ensino de leitura de frases com compreensão a alunos de 2ª série de escolas públicas de Belém
(Universidade Federal do Pará, 2004-10-22) BASTOS, Elizabeth Cristina de Menezes; BAPTISTA, Marcelo Quintino Galvão; http://lattes.cnpq.br/5106423103112681
Researchers using the stimulus equivalence paradigm have succeeded in teaching reading comprehension in human subjects of all ages with or without a history of school failure. The present study was conducted for the same purpose with five second graders, four females and one male in the 8 to 11 age range, all presenting reading problems. The following stimulus sets were employed: (1) spoken and printed syllables; (2) spoken and printed words; (3) pictures representing the words; (4) spoken and printed sentences, and (5) pictures representing these sentences. Different experimental phases were programmed involving pre-tests, training conditional relations, tests of emergent relations for equivalence and generalization, and post-tests. Syllables, words, sentences and novel words and sentences constituted the experimental stimuli. A conditional discrimination format was used, where the sample stimulus (word, printed sentence or picture ) was positioned on the left side of a rectangular card, and the comparison stimuli (three words, printed sentences or pictures) where located on the right side, separated by a vertical line. The card was used in all activities by the experimenter, who was, in turn, accompanied by an independent observer. Instructions were given verbally, and there were differential consequences for corect and incorrect responses. The control in all phaes of the activity was manual. The learning criterion was set at a 100% correct response rate. Each session lasted about 40 minutes.Equivalence tests were administered only once. On the generalization tests, wrong answers were followed by a repetition of the learning trials. Conditional relations involving spoken words, printed words and pictures (mixed AB and AC) were learned successfully. A majority of the children formed the BC equivalence relationship between the pictures and printed words, and all mastered the inverse CB equivalence relation. In addition the participants successfully named the pictures corresponding to the words (BD), read the words (CD), and were able to read new words (CD). Subsequently they succeeded in making conditional relations between spoken words and printed pictures (AC), and on trained relations between spoken and printed sentences (mixed AC). Whereas only two children formed the BC equivalence between pictures and printed sentences, the majority formed the inverse CB equivalence. Also a majority named the drawn sentences (BD), all read these sentences (CD) as well as new sentences containing recombined words (CD), and all read other novel sentences containing recombined syllables (CD). Thirty days afterwards, all of the children maintained the same level of word reading performance, and most read the same or recombined sentences. Results from this study made it possible to identify the principal prerequisites necessary to teach reading and assess comprehension involving verbal units and simple sentences based on the equivalence paradigm. It was suggested that in future investigations the verbal units might be further extended to encompass more complex sentence structures, which, aside from nouns and adjectives, would include pronouns, verbs and adverbs, among others.
Acesso aberto (Open Access)
Ensino de leitura de frases com compreensão a crianças de segunda série do ensino fundamental
(Universidade Federal do Pará, 2007-10-05) ALBUQUERQUE, Eliana dos Santos; BAPTISTA, Marcelo Quintino Galvão; http://lattes.cnpq.br/5106423103112681
The aim of this study was to verify the efficiency of teaching reading comprehension using sentences containing three types of words (a pronoun, a noun, and an adjective), based on the equivalence paradigm, and thereby extending verbal units utilized in a previous investigation. The sample was composed of five second grade children with reading difficulties from public schools in Belem, Para. There were five experimental phases including, pretests, teaching, intermediate and post-tests. The AB and AC relations were taught by use of syllables, words and sentences according to a specific stimulus modality: verbalized by the experimenter, pictorial and printed. The following equivalence relations were assessed, verbal naming and generalized word reading (Generalization I); two-word sentences (Generalization II and III), and three-word sentences (Generalization IV). The criterion for success was 100% correct responses in each trial block, with differential consequences. After the last phase the number of correct and incorrect responses without differential consequences was evaluated. The students responded consistently to the teaching criterion method. On Generalization Test I, three participants responded readily to new words. On Generalization Tests II and III, all of the participants read each new twoword sentence. On the Generalization Test IV, only two participants read all of the newly presented three-word sentences. After 30 days, of the four participants that remained in the experiment, two maintained the same level of generalized two-word sentences, whereas only one read consistently the generalized three-word sentences. In comparison with a previous study that used only two-word sentences, these results demonstrated the positive effect of the procedure. In theoretical, methodological and social terms, the findings may have educational relevance and make significant contributions to the teaching of reading comprehension. Future research using the facilitating procedures implicit in verbal unit reading, as based on the stimulus equivalence paradigm, appears especially promising.
Acesso aberto (Open Access)
Equivalência monetária em crianças surdas
(Universidade Federal do Pará, 2010-01-15) MAGALHÃES, Priscila Giselli Silva; ASSIS, Grauben José Alves de; http://lattes.cnpq.br/0722706223558223
In the teaching of monetary skills the procedures of matching to sample (MTS) and constructed response matching to sample (CRMTS) have proven effective. However, there is a controversy about the importance of prerequisites. Experiment 1 aimed to investigate the effect of teaching on the monetary equivalence in deaf children with different mathematical repertoires. A total of ten children participated. They were enrolled in a specialized school for deaf students, where the sessions were carried out and were distributed in two groups: Children with greater mathematical repertoire (Group I) and children with lower mathematical repertoire (Group II). A computer was used with software (REL 5.3.3 for Windows). Initially, the participants were exposed to pre-test and a pre-training identity. Then, the teaching of conditional relations in MTS between monetary value in Brazilian Signal Language (LIBRAS) and decimal numerals (AB), monetary value in LIBRAS and figures of coins (AC) and the monetary value in LIBRAS and figures of paper money (AD), followed by tests of symmetry and transitivity. In both groups, there was emergence of relations for most of the participants. Also a CRMTS teaching figures of paper money and decimal numerals (DB') was conducted, followed by tests of symmetry and transitivity. In the tests there was variability in responses in both groups. Post-tests and maintenance tests showed consistent performance with training. Experiment 2 aimed to replicate the results of experiment 1 verifying that changes in procedure would produce monetary equivalence in deaf children. Three deaf children participated. The experimental environment, materials and equipment were the same of Experiment 1. The procedure was similar to that used in Experiment 1, but with the introduction of some experimental phases: 1) randomized trials in the training, teaching numerical components and pre-training CRMTS. Results indicate the emergence of relations for the three participants in MTS and the emergence of a few relations in CRMTS. In both experiments the complexity of the task was one of the possible explanations of the performance and the prerequisites not interfered with the learning of this type of task.
Acesso aberto (Open Access)
Estrutura e dinâmica de famílias com um filho com necessidades educacionais especiais
(Universidade Federal do Pará, 2009-06-15) FREITAS, Hilda Rosa Moraes de; SILVA, Simone Souza da Costa; http://lattes.cnpq.br/9044423720257634
In the Brazilian context, research on the special educational needs focuses on the study of the difficulties and possibilities for inclusion of these students in regular classes of instruction, emphasizing the processes of teaching and learning. Few studies, in Brazil, see the family as the object of analysis, while not questioning its importance in child development. Thus, based on the bioecological model and the structural systemic theory, admitting to the family as a field of development common to all members it is necessary to know how it is structured to meet the demands arising from the special needs of your child and the effects of this dynamic in the group. From this it was aimed to describe the structure and dynamics of families of children with special educational needs, in addition to: analyze the interactions and relationships established within each subsystem (family, parent, sibling) and between them, and identify the organization family, from the mechanisms of cohesion and hierarchy in accordance with the structural systemic model. As the search strategy used the study of multiple cases, two families of children with special educational needs, a deaf girl, of ten years, and a boy, of twelve years old, with learning difficulties. The tools and techniques applied were: Roadmap for Semi-Structured Interview, Inventory of Routine (IR), Systematic Observation, Diary of Field, Family System Test (FAST) and Genogram. The scores obtained in the FAST were consistent with the results of IR, demonstrating greater cohesion in parent-child dyad that the father-child dyad, the two families, and the flexibility of borders in general, the perception of family was of border rigid, in systems, family, parent and sibling, and that the distribution of hierarchy was perceived by the parental dyad, in the two families, as a sign of preference for the sibling subsystem, and domination, for the parent subsystem, which interfered in the structures relational perceived by members. In assessing the sibling subsystem, the lack of power, represented by parents and representation by the children of this variable resulted in differences of perception in the group. Therefore, this study has, through the identification of relations and perceptions of members of families, to understand its dynamics and influence of, in developmental trajectory of children and the group, from, the demands arising from the diagnosis and strategies peculiar to each family to address the special needs of their children. Realizes that the family, the school's main partner in education, must be seen as a relational system whose strategies are fundamental for the child to have stimulated their skills and, thus, overcome their difficulties.
Acesso aberto (Open Access)
Formação de classes de equivalência através de reforçamento específico em crianças com dificuldades de aprendizagem
(Universidade Federal do Pará, 2007-08-01) PORTO, Allana Ribeiro; BARROS, Romariz da Silva; http://lattes.cnpq.br/7231331062174024
In Behavior Analysis, several studies have been carried out in order to understand how behavior can be productively controlled by arbitrarily related events, through equivalence class formation. The inclusion of reinforcer stimuli in the classes has been pointed as a possible facilitator of their formation. The present study aimed to evaluate the formation of equivalence classes mediated by reinforcer stimuli with children with mild learning difficulties. By using normally developing children and in a larger number we intended to obtain data with less across subject variability, which is commonly found in this kind of research. It was used specific reinforcement with fourteen children that showed mild learning difficulties at school (Experiment 1). The experiment comprised 10 phases. In all phases, there were specific reinforcers (fruit or toys) to each of the potential classes. Initially we carried out an identity matching-to-sample procedure with the stimuli of the sets A (A1 and A2), B (B1 and B2) and C (C1 and C2) in a continuous reinforcement schedule, followed by an intermittent reinforcement schedule. Then, tests for emergent relations ABBA, ACCA, and BCCB were carried out. Before each test, we returned to the baseline training. Data from Experiment 1 show great across subject variability. The Experiment 2 was to investigate the effect of two different kinds of pre-training on the performance in tests for class formation. Six children participated and they were divided into two groups. Group 1 was trained with identity matching-to-sample and Group 2 with arbitrary matching-to-sample. The results confirm partly the hypothesis that arbitrary MTS as pre-training may reduce across subject variability in this kind of research, because high rates of variability were found in this study. Further research will explore this possibility more systematically.
Acesso aberto (Open Access)
Habilidades metafonológicas e desenvolvimento de leitura e escrita recombinativas em crianças com diagnóstico de dislexia
(Universidade Federal do Pará, 2007-09-25) ARAÚJO, Márcia Wilma Monteiro de; GAROTTI, Marilice Fernandes; http://lattes.cnpq.br/2218504886013525; http://lattes.cnpq.br/2218504886013525
The present work aimed the implementation of a model integrating the training of phonological awareness and the stimuli equivalence paradigm, using the network of conditionals relations to produce recombinative reading and writing with comprehension in children and teenagers with phonological dyslexia. Three subjects took part: RP, 9 years old, 3rd grade; JR, 13 years old, 6th grade and LV, 15 years old, 7th grade, all students of a public school in Belém, diagnosed with dyslexia by phonoaudiologists and recommended by them to this project. The program was conducted in 8 phases. Pre-tests were applied to verify the basic requisites to the reading and writing abilities and the repertoire of equivalence, loud reading, dictation and phonological awareness. The training and tests of equivalence classes were interchanged with the training of phonological awareness (awareness of words and syllables) generating the possibility of verifying the effect of each training over the participants performance. The results showed a significant improvement in the ability of reading with comprehension and writing of words and pseudo words as well as reading of picture signs (silent dictation), what made evident the need of explicit teaching of metaphonological abilities to the competent reading skill, and specially of writing, what indicates the efficiency of this model. We also came to the conclusion that the only neurological cause found in the definition of dyslexia is insufficient and inadequate since the exposition of these subjects to environmental events, in this case, specific trainings for conditional discrimination were effective to the improvement of their performance.
Acesso aberto (Open Access)
Interações sociais e o discurso sobre o visível e o invisível em aulas de química
(Universidade Federal do Pará, 2004-05-07) PARENTE, Andrela Garibaldi Loureiro; ALVES, José Moysés; http://lattes.cnpq.br/6500775506186127
Our study, starting from interaction and dialogue, aims to understand the elaboration of explanations in chemistry classes, from the point of view of the theoretical and empirical aspects of this knowledge. A teacher and her 26-student-class of a high school first year of a government public school of Belém-Pa participated of the research. A class involving the realization of an experiment about the formation of dust was planned. Four groups of students were formed to carry out the experiment. After observing the experiment, the four groups of students discussed with each other, with the teacher, after that, they discussed with the whole class and the teacher. The dialogues among the groups and with the class were recorded and integrally transcripted. We used microgenetic analysis to study the dialogue of one of the groups without the presence of the teacher, and later with the teacher and the whole class. We identified in the dialogue the sequences from which arose the explanations. In these sequences we used the categories proposed by Mortimer & Scott (2002) to analyze the intentions, the contents, the communicative approach, the interaction patterns and the teacher’s interventions. These analyses made it possible for us to understand and discuss how students elaborate explanations in classes and, in each of them the participation of theoretical and empirical aspects of the chemistry knowledge. Thus, we observed that the explanations which were elaborated by the students took in account knowledge from different origins: empirical observation of the experiment, previous school learning, everyday concepts and the theoretical knowledge shared by the teacher. A dialogical communicative approach was predominant, but, whenever necessary for the elaboration of the explanation to relate the empirical with the theoretical, the communicative approach was predominantly one of authority.
Acesso aberto (Open Access)
Investigando aspectos do mastery learning e da capacidade da memória visual para objetos dinâmicos
(Universidade Federal do Pará, 2014-12-22) PEREIRA FILHO, Silvio Carlos Ferreira; ALVES, Danilo Teixeira; http://lattes.cnpq.br/6642002445572793