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Search Results: 1 - 10 of 631 matches for " Alcides;Bzuneck "
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Cren?as de eficácia de professores e motiva??o de adolescentes para aprender física
Goya, Alcides;Bzuneck, José Aloyseo;Guimar?es, Sueli édi Rufini;
Psicologia Escolar e Educacional , 2008, DOI: 10.1590/S1413-85572008000100005
Abstract: the aim of the present research was to assess physics teachers' self-efficacy beliefs in relation to adolescents' motivation and learning strategies used in middle school. a likert questionnaire was applied to 20 teachers, which was designated to asses their personal efficacy and teaching efficacy beliefs. two hundred students from three middle schools answered another likert questionnaire about their motivation and personal strategies in the study of physics. teachers and their students belonged to ten different schools in three different geographical areas. among teachers, the scores in personal efficacy measures were higher than in teaching efficacy. in addition, only personal efficacy was positively related to students' motivation. regarding the students, all measures varied significantly among different classes in the same grade, but no differences were found among grades or among schools. significant relationships were found between motivation and study strategies in the whole sample and in every grade as well. suggestions for motivation and teaching in middle school were drawn and for new studies in the area as well.
A psicologia educacional e a forma??o de professores: tendências contemporaneas
Bzuneck, José Aloyseo;
Psicologia Escolar e Educacional , 1999, DOI: 10.1590/S1413-85571999000100005
Abstract: educational psychology is one of the disciplines in the academic formation of teachers, but it is also one research area with implication to learning and teaching. it presents a way to understant the complex education task in classroom and in the socio-cultural contexts. the teacher must to have one use fui psychological perspective in order to do the best in their work.
Conceito e fun es dos esquemas cognitivos para a aprendizagem implica es para o ensino
José Aloyseo Bzuneck
Semina : Ciências Sociais e Humanas , 1991, DOI: 10.5433/
Abstract: Recent literature on learning very often refers to schema concept. This paper describes the nature and functions of cognitive schemata, a special framework students can use when exposed to new information. Some implications for teaching are derived from this perspective. O presente artigo descreve e desenvolve o conceito de esquema, tal como vem sendo usualmente adotado pelos psicólogos cognitivistas, sobretudo no contexto das teorias de processamento da informa o. S o mostrados alguns casos de aplica o do conceito na aprendizagem verbal-cognitiva e na solu o de problemas. Também s o extraídas algumas implica es para o ensino.
Ansiedade e desempenho numa prova de matemática: um estudo com adolescentes
José Aloyseo Bzuneck
Semina : Ciências Sociais e Humanas , 1991, DOI: 10.5433/
Abstract: The first purpose of this study was to investigate how much anxious adolescent boys and girls (N: 406) were in a Math test at Elementary School. A test on anxiety was assessed through Morris et alii's Questionnaire which discriminates worry and emotionality components. Results showed that between 7% and 10% of the subjects were highly anxious during all the Math test, and that female subjects were outnumbered when the emotionality component was considered. In addition, lower scores on that Math test were significantly associated to higher scores in worry component. This result supports the cognitive intentional view of performance deficits, currently defended by several researchers. O presente estudo naturalístico teve por objetivo inicial identificar·a incidência de alta ansiedade em uma prova parcial de matemática. Foram sujeitos 406 estudantes de ambos os sexos, das sétimas e oitavas séries de duas escolas urbanas, sendo uma particular e outra pública estadual. O instrumento de avalia o da ansiedade de prova identificava seus dois componentes básicos já assinalados na literatura, ou seja, preocupa o e emocionalidade. Com base nessa distin o, buscou-se descobrir qual a influência da variável sexo sobre a ansiedade naquela prova, bem como a rela o entre ansiedade e desempenho. Os resultados mostraram que entre 7% e 10% dos alunos de cada escola apresentavam a/ta ansiedade. Além disso, o sexo feminino foi mais representado entre os alto ansiosos, porém somente quanto à categoria emocionalidade. Por outro lado, alta ansiedade, quando comparada com baixa, mas s6 em termos de preocupa o, esteve associada com rendimento significativamente mais baixo naquela prova, em uma das duas sub-amostras. Esses resultados foram discutidos, com sugest es para novas pesquisas.
O problema da ansiedade nas provas: perspectivas contemporaneas
José Aloyseo Bzuneck,Rosangela Silva
Semina : Ciências Sociais e Humanas , 1989, DOI: 10.5433/
Abstract: The present paper reviews recent studies concerning test anxiety psychological construct. It has been consistently found that worry, as a test anxiety 's cognitive component, interferes with attention and consequently undermines task performance. Other researchers focused on the relation between test anxiety and study habits and their influences On learning, here explained after the information processing model Finally, studies on test 's reduction through parious intervention methods are discussed, and some directions are given for teaching and student evaluation. O presente artigo apresenta os resultados mais salientes de pesquisas em torno do problema da alta ansiedade que alunos acusam em situa es de avalia o, e que se denomina ansiedade de prova ou ansiedade de teste. A ansiedade alta afeta o desempenho nas provas em jun o de seu componente cognitivo que é a preocupa o, que interfere na aten o que deve ser dispensada por inteiro à tarefa. S o também descritos estudos com propostas de solu o a esse problema e é discutida a eficácia dos diferentes métodos de interven o. Dai emergem igualmente sugest es para o ensino.
Atribui??es interpessoais pelo professor e sua rela??o com emo??es e motiva??o do aluno
Bzuneck, José Aloyseo;Sales, Karla Fernanda Suenson;
Psico-USF , 2011, DOI: 10.1590/S1413-82712011000300007
Abstract: this paper describes the state of the art of studies inspired in weiner’s interpersonal attribution theory. teachers develop causal perceptions about students’ success or failure, and exhibit related emotions. these perceptions and emotions are based on controllability of the cause and are communicated and students may disclose different perceptions and they even try to manipulate their teachers’ perceptions. communication engenders emotional consequences, expectations and motivation. teachers’ maladaptive causal beliefs can be modified through intervention. findings were discussed and suggestions for new studies and methodological advances were proposed.
Motiva??o no ensino superior: metas de realiza??o e estratégias de aprendizagem
Cardoso, Luzia Rodrigues;Bzuneck, José Aloyseo;
Psicologia Escolar e Educacional , 2004, DOI: 10.1590/S1413-85572004000200003
Abstract: the aim of this study was to investigate higher education students` achievement goal orientations, learning strategies and learning environment perceptions. likert questionnaires were applied in a 106 students sample regarding a specific course. results showed no sigificant differences among groups in learning, ego-approach and ego- avoidance goals, but means in learning and work avoidance goals were higher. regarding some learning strategies groups were significantly different. moreover, other significant relationships appeared, namely between classroom perception on learning goal and perception of effort demand, and between learning goal, ego-approach goal and learning strategies as well. finally, educational implications were drawned and suggestions for further research were proposed.
Compara o de notas de rendimento escolar em dois sistemas de avalia o na disciplina de fisiologia humana
Alice Katsuko Oguido,José Aloyseo Bzuneck
Semina : Ciências Sociais e Humanas , 1983, DOI: 10.5433/
Abstract: The objective of the present institutional study was to compare the effect or system to obtain scores upon observable final scores in Human Physiology course of three different groups of students .Medicine, Veterinary Medicine and a mixture group constituted of Psychology, Nursing and Biological Sciences Medicine's and Veterinary's Medicine mean scores had diminished in the new system of evaluation. Medicine's group was superior to Veterinary's and mixture group in the old system of evaluation, but in the new system the three groups were ecstatically identical. A presente pesquisa institucional, de caráter exploratório, teve por objetivo comparar e levantar escores ou notas, sobre os escores finais observáveis na Disciplina de Fisiologia Humana, nos cursos de Medicina, Medicina Veterinária e num grupo misto constituído pelos cursos de Psicologia, Enfermagem e Ciências Biológicas. Obteve-se, como resultado: os grupos de Medicina e Medicina Veterinária tiveram suas médias de aproveitamento rebaixadas significativamente no novo sistema de avalia o. Na compara o entre os três grupos, o de Medicina apresentou-se superior dentro do sistema antigo, caindo a uma igualdade estatística com os outros dois, no novo sistema de avalia o.
Melhoramento do cafeeiro: VI - estudo e interpreta??o, para fins de sele??o, de produ??es individuais na variedade bourbon
Carvalho, Alcides;
Bragantia , 1952, DOI: 10.1590/S0006-87051952000200007
Abstract: the present study was undertaken to get information on the following questions of primary importance in coffee breeding : a) the number of years during which individual plants must have their yields recorded, in order to select the best mother trees for progeny tests; b) the number of years of individual progeny plant records, necessary for selection of the best progenies on the basis of total progeny yield ; c) the relation between the yields of mother plants and of their progenies. an attempt to answer the above questions was made through the analysis of data furnished by the coffee department of this institute from a plot of 1107 plants (1 hectare), of coffea arabica, var. bourbon, planted in 1930 for mother tree selection and individual plant recording. these plants have now 19 consecutive years of individual yield records, and some of them have progenies with 12 to 15 years of yields available for the scope of this investigation. from the study of such a group of mother trees and of their f1 progenies, the following conclusions can be drawn, assuming that the best plants are in fact those which have the highest total yields up to the present time : a) selection of high yielding coffee mother trees is most efficient when they are already fully grown, on the basis of at least 14 years of production. selection at early ages is not so effective. b) the efficiency is approximately the same whether the selection is based on total yield after 14 years, or when it is based on the latest biennial yield, such as the 13th plus the 14th, or even when only a single high yield of a late year is considered. this conclusion was drawn from the number of plants which, belonging to the 25 and 100 best after 19 years of yield, were found among the 25 and 100 best plants at different periods of time. from the 100 plants with the highest yield after 19 years, 59 were among the 100 best plants after 12 years; 71 were among the 100 best plants after 14 years, and so on (page 183). the
Genética de Coffea XXIV - Mutantes de Coffea arabica procedemtes da Etiópia
Carvalho, Alcides;
Bragantia , 1959, DOI: 10.1590/S0006-87051959000100025
Abstract: very little is known about the genetic variability of the species coffea arabica in its native home - the south-west of ethiopia. only more recently an increased interest is being noted with regard to the native coffee of this region and seed samples of wild, cultivated and subspontaneous coffee types have lately been gathered by various agricultural experts. several small seedling populations from ethiopia were received in campinas in 1952 and 1953. studies on genetic constitution of some of them is now being carried out. it was noted that the "eritrean moca" coffee (pi 205 413, usda) is identical to the semperflorens mutant, being homozygous for the alleles sjsj. the results of the artificial pollination with the murta variety (ttnana) revealed that from 33 analysed coffee plants from ethiopia, 23 carry the alleles it, probably in the homozygous condition. the alleles tt characterize the variety bourbon, and its presence in ethiopia indicates that this region and not the reunion island, as formerly thought, is the place of origin of this important commercial variety. the typica variety (ttnana) also occurs in ethiopia. plants of the abyssinica variety were frequently found in some of the seedling populations. although the alleles responsible for its main characters are not yet known, it was noted that abyssinica plants carry the alleles tt. other populations, segregating for abyssinica characteristics bear the alleles it. the coffee type ennarea or ennaria does not seem to belong to this variety. the genetic analysis of the color of the young leaves revealed that the allele br is frequently found in the imported plants. a new recessive allele, semierecta (se) with a phenotypic effect somewhat similar to the dominant allele erecta (er) was observed. plants with large fruits and seeds, macrocarpa, were noted but no information is available with regard to its genetic constitution. coffee seedlings with a small foliaceous and-persistent calyx were found in the populat
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