<?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>0121-4381</journal-id>
<journal-title><![CDATA[Suma Psicológica]]></journal-title>
<abbrev-journal-title><![CDATA[Suma Psicol.]]></abbrev-journal-title>
<issn>0121-4381</issn>
<publisher>
<publisher-name><![CDATA[Fundación Universitaria Konrad Lorenz]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0121-43812018000100041</article-id>
<article-id pub-id-type="doi">10.14349/sumapsi.2018.v25.n1.5</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Extensão da história em FR e o desempenho subsequente em FI com custo]]></article-title>
<article-title xml:lang="en"><![CDATA[History extension in FR and the subsequent performance in FI-cost]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[de Lima Cunha]]></surname>
<given-names><![CDATA[Talita Regina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cordeiro de Lima]]></surname>
<given-names><![CDATA[Paula Renata]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Costa]]></surname>
<given-names><![CDATA[Carlos Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,USP Faculdade de Medicina Instituto de Psiquiatria do Hostpital da Clínicas]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade Norte do Paraná (UNOPAR)  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidade Estadual de Londrina (UEL)  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</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>25</volume>
<numero>1</numero>
<fpage>41</fpage>
<lpage>50</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-43812018000100041&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-43812018000100041&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-43812018000100041&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Alguns estudos indicam que taxas altas de respostas, produzidas por uma história de exposição ao esquema FR, tendem a persistir no esquema FI-custo. Todavia, esse resultado é controverso. Nos estudos em que foi observada a persistência de taxas altas, a extensão da história em FR era de 10 h e, naqueles em que não houve persistência, a extensão do FR foi de 45 min a 3 h. O presente trabalho investigou o efeito da extensão da história de reforço sobre a persistência comportamental. Três grupos de participantes foram expostos a diferentes extensões de treino em FR (2 h 30 min, 5 h e 10 h), seguido por FI-custo. Os resultados indicaram diminuição da taxa de respostas para a maioria dos participantes; quando houve persistência comportamental, ela não foi correlacionada com a extensão da história.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Some studies have indicated that high response rate, produced by a exposition history to a FR, persist in a FI-cost. However, this is a controversial result. In studies which high response rate was observed, the FR extension history was 10 hours and in those which no persistence was seen the duration of FR ranged from 45 minutes to 3 hours. The present paper investigated the effect of the extension of history of reinforcement on behavioral persistence. Three groups of participants were exposed to different training extensions in FR (2 h 30 min; 5 h e 10 h), followed by an FI-cost. The results indicated a decrease on the response rate to most participants; when behavioral persistence happened was not correlated to history extension.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[história comportamental]]></kwd>
<kwd lng="pt"><![CDATA[extensão da história comportamental]]></kwd>
<kwd lng="pt"><![CDATA[persistência comportamental]]></kwd>
<kwd lng="pt"><![CDATA[custo da resposta]]></kwd>
<kwd lng="pt"><![CDATA[esquemas de reforçamento]]></kwd>
<kwd lng="en"><![CDATA[behavioral history]]></kwd>
<kwd lng="en"><![CDATA[history extension]]></kwd>
<kwd lng="en"><![CDATA[behavioral persistence]]></kwd>
<kwd lng="en"><![CDATA[response cost]]></kwd>
<kwd lng="en"><![CDATA[schedules of reinforcement]]></kwd>
</kwd-group>
</article-meta>
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