<?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>2215-3470</journal-id>
<journal-title><![CDATA[Uniciencia]]></journal-title>
<abbrev-journal-title><![CDATA[Uniciencia]]></abbrev-journal-title>
<issn>2215-3470</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional, Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2215-34702018000100089</article-id>
<article-id pub-id-type="doi">10.15359/ru.32-1.6</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[El conocimiento especializado de un profesor de matemáticas: Un estudio de caso sobre la enseñanza de los conceptos básicos de función]]></article-title>
<article-title xml:lang="en"><![CDATA[Mathematics teachers&#8217; Specialized Knowledge: A Case Study about Teaching of the Basic Concepts of Function]]></article-title>
<article-title xml:lang="pt"><![CDATA[O conhecimento especializado de um professor de matemática: Um estudo de caso sobre o ensino dos conceitos básicos de função]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Flores]]></surname>
<given-names><![CDATA[Ariana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Picado-Alfaro]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espinoza-González]]></surname>
<given-names><![CDATA[Jonathan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas-González]]></surname>
<given-names><![CDATA[Nielka]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional  ]]></institution>
<addr-line><![CDATA[Heredia ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[San José ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional  ]]></institution>
<addr-line><![CDATA[Heredia ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Católica del Norte  ]]></institution>
<addr-line><![CDATA[Antofagasta ]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<volume>32</volume>
<numero>1</numero>
<fpage>89</fpage>
<lpage>107</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S2215-34702018000100089&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S2215-34702018000100089&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S2215-34702018000100089&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Esta investigación enfoca el conocimiento especializado que muestra un profesor de matemática de secundaria al enseñar los conceptos básicos de función. Se enmarca en las investigaciones sobre el conocimiento matemático del profesor para la enseñanza (Hill, Ball y Schilling, 2008). Además, emplea el análisis didáctico (Gómez, 2007) para determinar indicadores que permitan identificar y caracterizar este conocimiento. Los resultados muestran la riqueza de la estructura conceptual presentada durante la enseñanza, así como un uso preciso del lenguaje matemático por parte del docente y la utilización de diversos sistemas de representación, enfatizando la relación entre ellas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This research draws its attention to the specialized knowledge a secondary school teacher of mathematics demonstrates while teaching the basic concepts of function. This paper falls within the research field of teachers&#8217; mathematical knowledge for teaching (Hill, Ball y Schilling, 2008). In addition, it uses didactic analysis (Gómez, 2007) to determine indicators that allow the identification and the characterization of this knowledge. The results show the richness of the conceptual structure taught when teaching, as well as the precise use of the mathematical language by the teacher, and the use of diverse systems of representation that emphasize the relation between them.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Esta pesquisa enfoca o conhecimento especializado que um professor de matemática da secundária mostra ensinando os conceitos básicos de função. Enquadra-se nas pesquisas sobre o conhecimento matemático do professor para o ensino (Hill, Ball e Schilling, 2008). Além disso, emprega a análise didática (Gómez, 2007) para determinar indicadores que permitam identificar e caracterizar este conhecimento. Os resultados mostram a riqueza da estrutura conceptual apresentada durante o ensino, assim como um uso preciso da linguagem matemática por parte do docente e a utilização de diversos sistemas de representação, enfatizando a relação entre elas.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Docente de secundaria]]></kwd>
<kwd lng="es"><![CDATA[enseñanza de las matemáticas]]></kwd>
<kwd lng="es"><![CDATA[formación de docentes de secundaria]]></kwd>
<kwd lng="es"><![CDATA[matemáticas]]></kwd>
<kwd lng="en"><![CDATA[Secondary teachers]]></kwd>
<kwd lng="en"><![CDATA[Mathematics teaching]]></kwd>
<kwd lng="en"><![CDATA[Secondary teachers training]]></kwd>
<kwd lng="en"><![CDATA[mathematics]]></kwd>
<kwd lng="pt"><![CDATA[Docente de secundária]]></kwd>
<kwd lng="pt"><![CDATA[ensino da matemática]]></kwd>
<kwd lng="pt"><![CDATA[formação de docentes de secundária]]></kwd>
<kwd lng="pt"><![CDATA[matemática]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Preservice mathematics teachers' knowledge of functions and its effect on lesson planning at the secondary level]]></source>
<year>2003</year>
<publisher-loc><![CDATA[The University of Iowa ]]></publisher-loc>
<publisher-name><![CDATA[Estados Unidos de América]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
