<?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>2215-3535</journal-id>
<journal-title><![CDATA[Actualidades en Psicología]]></journal-title>
<abbrev-journal-title><![CDATA[Act.Psi]]></abbrev-journal-title>
<issn>2215-3535</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Investigaciones Psicológicas, Universidad de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2215-35352017000200032</article-id>
<article-id pub-id-type="doi">10.15517/ap.v31i123.27450</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Preditores do uso do Facebook pelos adolescentesportugueses: Contributos de um estudo exploratório]]></article-title>
<article-title xml:lang="en"><![CDATA[Predictors of Facebook use among Portugueseadolescents: Contributes of an exploratory study]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dias]]></surname>
<given-names><![CDATA[Paulo César]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García del Castillo]]></surname>
<given-names><![CDATA[José António]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García del Castillo-López]]></surname>
<given-names><![CDATA[Álvaro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Católica Portuguesa  ]]></institution>
<addr-line><![CDATA[ Braga]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Miguel Hernández  ]]></institution>
<addr-line><![CDATA[Elche ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Miguel Hernández  ]]></institution>
<addr-line><![CDATA[ Elche]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<volume>31</volume>
<numero>123</numero>
<fpage>32</fpage>
<lpage>43</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S2215-35352017000200032&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S2215-35352017000200032&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S2215-35352017000200032&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo A generalização do uso das redes sociais online, tem trazido oportunidades e constrangimentos ao mesmo tempo-ou até mais depressa-que a investigação e o conhecimento sobre este tópico. Neste trabalho, pretendemos explorer o papel de variáveis pessoais e psicossociais no uso do Facebook, recorrendo a um conjunto de questionários de autorrelato junto de uma amostra de 386 adolescentes portugueses. Os resultados obtidos permitem verificar diferenças na utilização em função do género, uma relação positiva com a idade, a autorregulação e autoestima, sendo a interação com pares da sua rede de contactos offline o mais forte preditor para o uso das redes sociais. Estes dados sugerem o papel desta aplicação como um meio para manter o contacto com os pares.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The widespread use of social networks has brought opportunities and constraints at the same time, even faster than research and knowledge on this topic. In this paper, we intend to explore the role of personal and psychosocial variables in Facebook use, considering a set of self-report questionnaires to a sample of 386 Portuguese adolescents. We found gender differences in social network use, a positive relationship with age, self-regulation and self-esteem, with peer interaction with offline contacts as the strongest predictor for social network use. These data suggest the role of this application as a mean to maintain contact with peers.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Uso do Facebook]]></kwd>
<kwd lng="pt"><![CDATA[adolescentes]]></kwd>
<kwd lng="pt"><![CDATA[autoestima]]></kwd>
<kwd lng="pt"><![CDATA[autorregulação]]></kwd>
<kwd lng="pt"><![CDATA[pares]]></kwd>
<kwd lng="en"><![CDATA[Facebook use]]></kwd>
<kwd lng="en"><![CDATA[adolescents]]></kwd>
<kwd lng="en"><![CDATA[self-esteem]]></kwd>
<kwd lng="en"><![CDATA[self-regulation]]></kwd>
<kwd lng="en"><![CDATA[peers]]></kwd>
</kwd-group>
</article-meta>
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