<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1809-4309</journal-id>
<journal-title><![CDATA[Práxis Educativa]]></journal-title>
<abbrev-journal-title><![CDATA[Práxis Educativa. Ponta Grossa]]></abbrev-journal-title>
<issn>1809-4309</issn>
<publisher>
<publisher-name><![CDATA[Programa de Pós-Graduação em Educação - Ponta Grossa  ]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1809-43092017000100025</article-id>
<article-id pub-id-type="doi">10.5212/PraxEduc.v.12i1.0002</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Exigência conceptual do trabalho prático: abordagem multidisciplinar de análise do discurso pedagógico na aula de ciências]]></article-title>
<article-title xml:lang="en"><![CDATA[Conceptual demand of practical work: a multidisciplinary approach for analysing the pedagogic discourse in the science classroom]]></article-title>
<article-title xml:lang="es"><![CDATA[Exigencia conceptual del trabajo práctico: abordaje multidisciplinaria de análisis del discurso pedagógico en la clase de ciencias]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[Sílvia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morais]]></surname>
<given-names><![CDATA[Ana Maria]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade de Lisboa  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade de Lisboa Instituto de Educação ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2017</year>
</pub-date>
<volume>12</volume>
<numero>1</numero>
<fpage>25</fpage>
<lpage>47</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_arttext&amp;pid=S1809-43092017000100025&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_abstract&amp;pid=S1809-43092017000100025&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_pdf&amp;pid=S1809-43092017000100025&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[O estudo est&#225; centrado no tipo e no n&#237;vel de complexidade do trabalho pr&#225;tico implementado em aulas de ci&#234;ncias do ensino secund&#225;rio, no contexto do sistema educativo portugu&#234;s. O conceito de osmose foi selecionado no artigo como um caso exemplar para ilustrar a abordagem te&#243;rica e metodol&#243;gica, de &#226;mbito multidisciplinar, seguida no estudo. Teoricamente, o estudo fundamenta-se em conceitos de natureza epistemol&#243;gica, psicol&#243;gica e sociol&#243;gica, com particular &#234;nfase na teoria do discurso pedag&#243;gico de Bernstein. Tendo por base este enquadramento te&#243;rico, o n&#237;vel de complexidade do trabalho pr&#225;tico foi apreciado atrav&#233;s do seu n&#237;vel de exig&#234;ncia conceptual, o qual inclui aspetos relacionados com o que do discurso pedag&#243;gico (complexidade dos conhecimentos cient&#237;ficos e das capacidades cognitivas) e com o como do discurso pedag&#243;gico (grau de rela&#231;&#227;o entre a teoria e a pr&#225;tica). Metodologicamente, o estudo usa uma abordagem mista. Participaram no estudo duas professoras de duas escolas socialmente distintas. Os resultados mostraram que as pr&#225;ticas das duas professoras apresentaram, de um modo geral, um baixo n&#237;vel de exig&#234;ncia conceptual, sobretudo devido ao baixo n&#237;vel de complexidade dos conhecimentos cient&#237;ficos e das capacidades cognitivas e tamb&#233;m devido a incorre&#231;&#245;es cient&#237;ficas das professoras. O tipo de trabalho pr&#225;tico escolhido pelas professoras (atividades laboratoriais geralmente ilustrativas) contribuiutamb&#233;m para baixar o n&#237;vel de exig&#234;ncia conceptual. Discutem-se as consequ&#234;ncias deste baixo n&#237;vel de exig&#234;ncia conceptual na aprendizagem cient&#237;fica dos alunos. A n&#237;vel te&#243;rico e metodol&#243;gico, a conceptualiza&#231;&#227;o e os procedimentos adotados no estudo representam uma abordagem inovadora que fornece maior rigor &#224; an&#225;lise.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[The study addresses the issue of the type and the level of complexity of practical work present in high school science classes, in the context of the Portuguese educational system. The concept of osmosis was selected in the article as an exemplar case to exemplify the theoretical and methodological approach of a multidisciplinary character, followed in the study. Theoretically, the study is based on concepts of an epistemological, psychological and sociological nature, with a particular emphasis on Bernstein's theory of pedagogic discourse. On the basis of this theoretical framework, the level of complexity of practical work was appreciated through its level of conceptual demand, which contains aspects related to the what of pedagogic discourse (complexity of scientific knowledge and cognitive skills) and to the how of pedagogic discourse (degree of relation between theory and practice). The study uses a methodological mixed approach. Two teachers of two socially distinct schools were selected. The results showed that the two teachers' practices had in general a low level of conceptual demand which is mostly a consequence of the low level of complexity of scientific knowledge and skills required and also of teachers' scientific inaccuracies. The type of practical work selected by teachers (laboratory activities generally illustrative) also contributed to lower the level of conceptual demand. The consequences of this low level of conceptual demand in terms of students' scientific learning is discussed. In theoretical and methodological terms, the conceptualization and procedures followed in the study constitute an innovative approach that gives greater rigor to the analysis.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[El estudio se centra en la tipolog&#237;a y en el nivel de complejidad del trabajo pr&#225;ctico implementado en clases de ciencias de la ense&#241;anza secundaria, en el contexto del sistema educativo portugu&#233;s. El concepto de osmosis fue seleccionado en el art&#237;culo como un caso ejemplar para ilustrar el abordaje te&#243;rico y metodol&#243;gico, de &#225;mbito multidisciplinar, seguido en el estudio. Te&#243;ricamente, el estudio se fundamenta en conceptos de la naturaleza epistemol&#243;gica, psicol&#243;gica y sociol&#243;gica, con particular &#233;nfasis en la teor&#237;a del discurso pedag&#243;gico de Bernstein. Teniendo por aporte este encuadramiento te&#243;rico, el nivel de complejidad del trabajo pr&#225;ctico fue apreciado a trav&#233;s de su nivel de exigencia conceptual, lo cual incluye aspectos relacionados con el qu&#233; del discurso pedag&#243;gico (complejidad de los conocimientos cient&#237;ficos y de las capacidades cognitivas) y con el c&#243;mo del discurso pedag&#243;gico (grado de relaci&#243;n entre la teor&#237;a y la pr&#225;ctica). Metodol&#243;gicamente, el estudio usa un abordaje mezclado. Participaron del estudio dos profesoras de dos escuelas socialmente distintas. Los resultados muestran que las pr&#225;cticas de dos profesoras presentaron, por general, un bajo nivel de exigencia conceptual, sobre todo debido al bajo nivel de complejidad de los conocimientos cient&#237;ficos y de las capacidades cognitivas y tambi&#233;n debido a incorrecciones cient&#237;ficas de las profesoras. La tipolog&#237;a de trabajo elegido por las profesoras (actividades de laboratorio, en general ilustrativas) contribuy&#243; tambi&#233;n para bajar el nivel de exigencia conceptual. Se debaten las consecuencias de este bajo nivel de exigencia conceptual en el aprendizaje cient&#237;fico de los alumnos. Para el nivel te&#243;rico y metodol&#243;gico, la conceptualizaci&#243;n y los procedimientos adoptados para el estudio representan un abordaje innovador que ofrece m&#225;s rigor al an&#225;lisis.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Trabalho prático]]></kwd>
<kwd lng="pt"><![CDATA[Exigência conceptual]]></kwd>
<kwd lng="pt"><![CDATA[Discurso pedagógico]]></kwd>
<kwd lng="pt"><![CDATA[Osmose]]></kwd>
<kwd lng="en"><![CDATA[Practical work]]></kwd>
<kwd lng="en"><![CDATA[Conceptual demand]]></kwd>
<kwd lng="en"><![CDATA[Pedagogic discourse]]></kwd>
<kwd lng="en"><![CDATA[Osmosis]]></kwd>
<kwd lng="es"><![CDATA[Trabajo práctico]]></kwd>
<kwd lng="es"><![CDATA[Exigencia conceptual]]></kwd>
<kwd lng="es"><![CDATA[Discurso pedagógico]]></kwd>
<kwd lng="es"><![CDATA[Osmosis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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