<?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>1578-8423</journal-id>
<journal-title><![CDATA[Cuadernos de Psicología del Deporte]]></journal-title>
<abbrev-journal-title><![CDATA[CPD]]></abbrev-journal-title>
<issn>1578-8423</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Murcia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1578-84232021000300020</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Psychometric Properties of the Life Orientation Test (LOT-R) for Sport]]></article-title>
<article-title xml:lang="es"><![CDATA[Propiedades Psicométricas del Life Orientation Test (LOT-R) para el Deporte]]></article-title>
<article-title xml:lang="pt"><![CDATA[Propriedades Psicométricas do Life Orientation Test (LOT-R) para o Esporte]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Angelo]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bido]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Corrêa]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hupfer]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Brandão]]></surname>
<given-names><![CDATA[RF]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,University São Judas Tadeu Post-Graduate Programme in Physical Education ]]></institution>
<addr-line><![CDATA[São Paulo SP]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,University Presbyterian Mackenzie Center for Social and Applied Sciences ]]></institution>
<addr-line><![CDATA[Sa&#771;o Paulo SP]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>21</volume>
<numero>3</numero>
<fpage>257</fpage>
<lpage>268</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1578-84232021000300020&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1578-84232021000300020&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1578-84232021000300020&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The main objective of this research was to culturally adapt and evaluate the psychometric properties of the Life Orientation Test Revised version for the Brazilian sports context (LOT-R). The sample consisted of 953 young Brazilian athletes of both sexes, with a mean age of 16 years. The results of the confirmatory factor analysis produced two correlated dimensions, reflecting optimism and pessimism, and provided support for a two-factor model. A satisfactory fit was found for LOT-R for sport (LOT-R-Sport) with six items (&#967;2=4.541, df=8; CFI=1; TLI=1; RMSEA=0 [90%IC = 0.000 - 0.024]; SRMR=0.016). Satisfactory tests of internal consistency were also generated through the analysis of factor loadings. The Composite Reliability indices (0.72/ 0.70) were suitable for Optimism and Pessimism, respectively. Motivation, Resilience and Satisfaction with Life showed positive correlations with Optimism and negative correlations with Pessimism, indicative of convergent validity. The configural, metric and scalar invariance was achieved, indicating that the LOT-R-Sport can measure athletes of different sexes, sports, ages and years of experience equally. Although more studies are needed to confirm the psychometric properties of the instrument, the adaptation of the LOT-R-Sport was the first step in the future works about the influence of Optimism on sports performance.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El objetivo principal de esta investigación fue adaptar y evaluar culturalmente las propiedades psicométricas de la versión brasileira del Life Orientation Test Revised para el contexto deportivo (LOT-R). La muestra consistió en 953 jóvenes atletas brasileños de ambos sexos, con una edad media de 16 años. Los resultados del análisis factorial confirmatorio produjeron dos dimensiones correlacionadas, que reflejan optimismo y pesimismo, y brindaron apoyo para un modelo de dos factores. Se encontró un ajuste satisfactorio para LOT-R con 6 ítems (&#967;2=4.541, df=8; CFI=1; TLI=1; RMSEA=0 [90%IC = 0.000 - 0.024]; SRMR=0.016). También se generaron pruebas satisfactorias de consistencia interna a través del análisis de cargas factoriales. La Fiabilidad Compuesta (.72/ .70) fue adecuada en las variables latentes Optimismo y Pesimismo, respectivamente. Motivación, Resiliencia y Satisfacción con la Vida mostraron correlaciones positivas con Optimismo y correlaciones negativas con Pesimismo, indicativo de validez convergente. Se logró la invariancia configuracional, métrica y escalar, lo que indica que LOT-R-Sport puede medir atletas de diferentes sexos, deportes, edades y años de experiencia por igual. Aunque se necesitan más estudios para confirmar las propiedades psicométricas del instrumento, la adaptación de LOT-R al contexto deportivo fue el primer paso en el futuro sobre la influencia del Optimismo en el rendimiento deportivo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[RESUMO O principal objetivo desta pesquisa foi adaptar culturalmente e avaliar as propriedades psicométricas da Life Orientation Test Revisada para o contexto esportivo (LOT-R). A amostra foi composta por 953 jovens atletas brasileiros de ambos os sexos, com idade média de 16 anos. Os resultados da análise fatorial confirmatória produziram duas dimensões correlacionadas, refletindo otimismo e pessimismo e forneceram suporte para um modelo de dois fatores. Foi encontrado um ajuste satisfatório para LOT-R para o esporte (LOT-R-Sport) com seis itens ítems (&#967;2=4.541, df=8; CFI=1; TLI=1; RMSEA=0 [90%IC = 0.000 - 0.024]; SRMR=0.016). Testes satisfatórios de consistência interna foram gerados através da análise de cargas fatoriais. Os índices Confiabilidade Composta (0.72/ 0.70) foram adequados para Otimismo e Pessimismo, respectivamente. Motivação, Resiliência e Satisfação com a Vida apresentaram correlações positivas com Otimismo e negativas com Pessimismo, indicativo de validade convergente. A invariância configural, métrica e escalar foi alcançada, indicando que o LOT-R-Sport pode avaliar de diferentes sexos, modalidades, idades e anos de experiência igualmente. Embora sejam necessários mais estudos para confirmar as propriedades psicométricas do instrumento, a adaptação do LOT-R-Sport ao contexto esportivo foi o primeiro passo para futuros estudos sobre a influência do otimismo no desempenho esportivo.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[optimism]]></kwd>
<kwd lng="en"><![CDATA[pessimism]]></kwd>
<kwd lng="en"><![CDATA[dimensionality]]></kwd>
<kwd lng="en"><![CDATA[validation study]]></kwd>
<kwd lng="es"><![CDATA[optimismo]]></kwd>
<kwd lng="es"><![CDATA[pesimismo]]></kwd>
<kwd lng="es"><![CDATA[dimensionalidad]]></kwd>
<kwd lng="es"><![CDATA[estudio de validación]]></kwd>
<kwd lng="pt"><![CDATA[otimismo]]></kwd>
<kwd lng="pt"><![CDATA[pessimismo]]></kwd>
<kwd lng="pt"><![CDATA[dimensionalidade]]></kwd>
<kwd lng="pt"><![CDATA[estudo de validação]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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