<?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>0123-9155</journal-id>
<journal-title><![CDATA[Acta Colombiana de Psicología]]></journal-title>
<abbrev-journal-title><![CDATA[Act.Colom.Psicol.]]></abbrev-journal-title>
<issn>0123-9155</issn>
<publisher>
<publisher-name><![CDATA[Universidad Catolica de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0123-91552017000100032</article-id>
<article-id pub-id-type="doi">10.14718/ACP.2017.20.1.3</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Factor structure of the Life Orientation Test-Revised (LOT-R)]]></article-title>
<article-title xml:lang="pt"><![CDATA[Estrutura Fatorial do Life Orientation Test-Revised (LOT-R)]]></article-title>
<article-title xml:lang="es"><![CDATA[Estructura factorial del Life Orientation Test Revisado (LOT-R)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ottati]]></surname>
<given-names><![CDATA[Fernanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Noronha]]></surname>
<given-names><![CDATA[Ana Paula Porto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade São Francisco  ]]></institution>
<addr-line><![CDATA[São Paulo ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<volume>20</volume>
<numero>1</numero>
<fpage>32</fpage>
<lpage>39</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0123-91552017000100032&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0123-91552017000100032&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0123-91552017000100032&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Optimism and pessimism are conceptualized as generalized expectations about events happening in people's lives, and are regarded as stable dispositions. The construct of optimism can be understood as being one-dimensional and bipolar, in other words, it's an only attribute with two extremes ranging from optimism or pessimism. The Revised Life Orientation Test (LOT-R) is the instrument used for assessing dispositional optimism and has been the subject of several studies that verify its one-dimensionality. However, the results of those studies do not necessarily support the theoretical model. The aim of this paper was to analyze the factor structure of the LOT-R in a sample of adolescent students from basic primary and secondary education. Participants were 183 students of both genders, aged between 13 and 19 years old. The application of the LOT-R was carried collectively in the classroom. The instrument's confirmatory factor analysis was performed by testing a one-factor model and another one of two-factors. The two-factor model was the most appropriate, showing that, for this particular sample, the LOT-R consists of two components. The need for studies to test the structure of the instrument is evident inasmuch as the literature indicates that cultural differences are key elements to understanding optimism.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo O otimismo e o pessimismo foram conceituados como expectativas generalizadas sobre os acontecimentos na vida dos indivíduos, e são considerados disposições estáveis. O construto otimismo pode ser entendido como unidimensional e bipolar, ou seja, é uma única característica com dois extremos, que pode variar entre o otimismo e o pessimismo. O Life Orientation Test Revisado (LOT-R) é o instrumento utilizado para a avaliação do otimismo disposicional que tem sido objeto de vários estudos, entre os quais se encontram as que verificam sua unidimensionalidade; no entanto, os resultados não necessariamente endossam o modelo teórico. O objetivo da presente pesquisa foi realizar a análise da estrutura fatorial do LOT-R numa amostra de 183 estudantes do ensino fundamental e médio, de ambos os sexos e com idade entre 13 e 19 anos. A aplicação do LOT-R aconteceu de forma coletiva em sala de aula. A análise fatorial confirmatória do instrumento foi realizada mediante dois modelos, um unifatorial e outro bifatorial. O modelo bifatorial foi o mais adequado, o que revela que nessa amostra específica, o LOT-R consta de dois componentes. A necessidade de realizar estudos para verificar a estrutura do instrumento fica evidente, pois a literatura aponta que diferenças culturais são pontos fundamentais para entender o otimismo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El optimismo y el pesimismo se han conceptualizado como las expectativas generalizadas sobre los acontecimientos en la vida de los individuos, y son considerados disposiciones estables. El constructo optimismo puede entenderse como unidimensional y bipolar, es decir, es un único atributo con dos extremos que pueden variar entre el optimismo y el pesimismo. El Life Orientation Test Revisado (LOT-R) es el instrumento utilizado para la evaluación del optimismo disposicional que ha sido objeto de numerosas investigaciones, entre las cuales se encuentran las que comprueban su unidimensionalidad; sin embargo, los resultados no necesariamente han respaldado el modelo teórico. El objetivo de la presente investigación fue realizar el análisis de la estructura factorial del LOT-R en una muestra de 183 estudiantes de educación básica primaria y secundaria de ambos sexos y con edades entre los 13 y 19 años. La aplicación del LOT-R se hizo colectivamente en el aula de clases. El análisis factorial confirmatorio del instrumento se realizó mediante dos modelos, uno unifactorial y otro bifactorial. El segundo modelo fue el más adecuado, lo que demuestra que en esta muestra específica el LOT-R consta de dos componentes. La necesidad de realizar estudios para comprobar la estructura del instrumento resulta evidente debido a que la literatura señala que las diferencias culturales son elementos clave para entender el optimismo.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Language]]></kwd>
<kwd lng="en"><![CDATA[human behavior]]></kwd>
<kwd lng="en"><![CDATA[spoken language.]]></kwd>
<kwd lng="pt"><![CDATA[otimismo]]></kwd>
<kwd lng="pt"><![CDATA[adolescentes]]></kwd>
<kwd lng="pt"><![CDATA[validade fatorial]]></kwd>
<kwd lng="es"><![CDATA[Lenguaje]]></kwd>
<kwd lng="es"><![CDATA[conducta humana]]></kwd>
<kwd lng="es"><![CDATA[lenguaje hablado]]></kwd>
</kwd-group>
</article-meta>
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