<?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>0185-2698</journal-id>
<journal-title><![CDATA[Perfiles educativos]]></journal-title>
<abbrev-journal-title><![CDATA[Perfiles educativos]]></abbrev-journal-title>
<issn>0185-2698</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Investigaciones sobre la Universidad y la Educación]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0185-26982019000400090</article-id>
<article-id pub-id-type="doi">10.22201/iisue.24486167e.2019.166.59183</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Influencia del nivel socioeconómico en el desarrollo de las competencias numéricas de los niños ecuatorianos de jardín infantil]]></article-title>
<article-title xml:lang="en"><![CDATA[Influence of socioeconomic level on the development of numerical competencies of Ecuadorian preschoolers]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bojorque]]></surname>
<given-names><![CDATA[Gina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torbeyns]]></surname>
<given-names><![CDATA[Joke]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hoof]]></surname>
<given-names><![CDATA[Jo Van]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nijlen]]></surname>
<given-names><![CDATA[Daniël Van]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Verschaffel]]></surname>
<given-names><![CDATA[Lieven]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Cuenca Facultad de Filosofía ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Center for Instructional Psychology and Technology  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Bélgica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Center for Instructional Psychology and Technology  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Bélgica</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Center for Educational Effectiveness and Evaluation  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Bélgica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>41</volume>
<numero>166</numero>
<fpage>90</fpage>
<lpage>104</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-26982019000400090&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-26982019000400090&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-26982019000400090&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo del presente estudio fue examinar la influencia del nivel socioeconómico de los niños de jardín infantil en el desarrollo de sus habilidades numéricas tempranas y su enfoque espontáneo en el número (SFON), después de controlar por variables cognitivas de dominio general, como inteligencia y memoria de trabajo, y por edad. Al iniciar el jardín infantil, 355 niños y niñas resolvieron una batería de pruebas para evaluar sus habilidades numéricas tempranas, SFON, inteligencia y memoria de trabajo. Los resultados indican que existen diferencias individuales en las habilidades numéricas tempranas y el SFON de los niños ecuatorianos al iniciar el jardín infantil. Además, el nivel socioeconómico se correlacionó positivamente con las habilidades numéricas tempranas, pero no con el SFON. Al final se discuten las implicaciones teóricas, metodológicas y prácticas del estudio.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The aim of this study was to examine the influence of the socioeconomic level of preschoolers on their development of early numerical skills and spontaneous focusing on numerosity (SFON), after controlling for domain-general cognitive variables like intelligence and working memory and for age. On entering preschool, 355 boys and girls were given a battery of tests to evaluate their early numerical skills, SFON, intelligence, and working memory. The results indicate that there are individual differences in early numerical skills and SFON among Ecuadorian children entering preschool. Also, socioeconomic level was positively correlated with early numerical skills, but not with SFON. At the end, we discuss the theoretical, methodological, and practical implications of the study.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Habilidades matemáticas]]></kwd>
<kwd lng="es"><![CDATA[Educación preescolar]]></kwd>
<kwd lng="es"><![CDATA[Nivel socioeconómico]]></kwd>
<kwd lng="es"><![CDATA[Diferencias]]></kwd>
<kwd lng="es"><![CDATA[Competencias numéricas]]></kwd>
<kwd lng="es"><![CDATA[Educación matemática]]></kwd>
<kwd lng="en"><![CDATA[Mathematical skills]]></kwd>
<kwd lng="en"><![CDATA[Preschool education]]></kwd>
<kwd lng="en"><![CDATA[Socioeconomic level]]></kwd>
<kwd lng="en"><![CDATA[Differences]]></kwd>
<kwd lng="en"><![CDATA[Numerical competencies]]></kwd>
<kwd lng="en"><![CDATA[Mathematical education]]></kwd>
</kwd-group>
</article-meta>
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