<?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>S1578-84232020000200019</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Composición e invarianza factorial del cuestionario Medida de la Intencionalidad para ser Físicamente Activo (MIFA) en adolescentes mexicanos]]></article-title>
<article-title xml:lang="en"><![CDATA[Composition and factorial invariance of the Measurement of Intention to be Physically Active (MIFA) questionnaire among Mexican adolescents]]></article-title>
<article-title xml:lang="pt"><![CDATA[Estrutura e invariancia fatorial do questionario Medida de intencionalidade a ser fisicamente ativa (MIFA) em adolescentes mexicanos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguirre]]></surname>
<given-names><![CDATA[J F]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Blanco]]></surname>
<given-names><![CDATA[L H]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mayorga-Vega]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jurado]]></surname>
<given-names><![CDATA[P J]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Benavides]]></surname>
<given-names><![CDATA[E V]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ornelas]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Chihuahua Facultad de Ciencias de la Cultura Física ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Guadalajara Organismo Público Descentralizado Hospital Civil de Guadalajara ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Jaén Departamento de Didáctica de la Expresión Musical, Plástica y Corporal ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<volume>20</volume>
<numero>2</numero>
<fpage>243</fpage>
<lpage>252</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1578-84232020000200019&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1578-84232020000200019&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1578-84232020000200019&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El objetivo de esta investigación fue analizar las propiedades psicométricas propuestos por Moreno, Moreno y Cervelló (2007) para el cuestionario Medida de la Intencionalidad para ser Físicamente Activo (MIFA). La muestra total fue de 549 adolescentes mexicanos 256 mujeres y 293 hombres, con edades comprendidas entre 11-16 años (M = 12.91; DE = 0.49). La estructura factorial del cuestionario se analizó mediante análisis factoriales confirmatorios. Los análisis, muestran que una estructura unifactorial es viable y adecuada tanto para la muestra total (GFI = .999; RMSEA &lt; .001; CFI = 1.000) como para las poblaciones de hombres (GFI = .991; RMSEA = .074; CFI = .995) y mujeres (GFI = .995; RMSEA = .032; CFI = .999). La estructura unifactorial, atendiendo a criterios estadísticos y sustantivos, ha mostrado adecuados indicadores de ajuste de fiabilidad y validez. Por otro lado, la estructura factorial, las cargas factoriales y los interceptos se consideran invariantes de acuerdo al género; sin embargo, existen diferencias entre hombres y mujeres para la media de intencionalidad para ser físicamente activo. En conclusión, el MIFA-M puede ser una herramienta útil para avanzar en el estudio de los factores que afectan a la práctica de actividad física.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The aim of this research was to analyze the psychometric properties proposed by Moreno et al. (2007) for the Measurement of Intention to be Physically Active (MIFA) questionnaire. The total sample has been composed by 549 Mexican adolescents, 256 women and 293 mean, with ages from 11 to 16 years (M = 12.91, SD = 0.49). The factor structure of questionnaire has been analized through the confirmatory factor analysis. This analysis shows that a unifactorial structure is viable and adequate for the total sample (GFI = .999; RMSEA &lt; .001; CFI = 1.000) and the populations of men (GFI = .991; RMSEA = .074; CFI = .995) and women (GFI = .995; RMSEA = .032; CFI = .999). The unifactorial structure, according to statistical and substantive criteria, has shown adequate indicators of reliability and validity adjustment. On the other hand, the factorial structure, the factorial loads and the intercepts are considered invariant according to gender; however, there are differences between men and women for the average intentionality of being physically active. In conclusion, the MIFA-M can be a useful tool to advance in the study of the factors that affect the practice of physical activity.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[RESUMO O objetivo do presente estudo instrumental foi analisar a composição e invariância fatorial por gênero do questionário Medida de Intencionalidade a ser Fisicamente Ativa proposto por Moreno et al. (2007) adaptado ao contexto mexicano (MIFA-M) em adolescentes mexicanos. Um total de 549 adolescentes mexicanos, 256 mulheres e 293 homens, com idades entre 11 e 16 anos (M = 12.91; DP = .49) completaram o questionário MIFA-M A estrutura fatorial do questionário foi analisada por análises fatoriais confirmatórias. Os resultados mostraram que uma estrutura unifatorial é viável e adequada tanto para a amostra total (GFI = .999; RMSEA &lt; .001; CFI = 1.000) quanto para as populações de homens (GFI = .991; RMSEA = .074; CFI = .995) e mulheres. Com base em critérios estatísticos e substantivos, a estrutura unifatorial apresentou indicadores adequados de confiabilidade e validade. Além disso, a estrutura fatorial, as cargas fatoriais e os interceptos eram invariantes de acordo com o gênero. Maiores valores de intenção de ser fisicamente ativo em homens do que em mulheres foram encontrados. Maiores valores de intenção de ser fisicamente ativo em homens do que em mulheres foram encontrados. Em conclusão, o MIFA-M é um instrumento útil para avaliar a intenção de ser fisicamente ativo em adolescentes mexicanos.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Validez]]></kwd>
<kwd lng="es"><![CDATA[Fiabilidad]]></kwd>
<kwd lng="es"><![CDATA[Psicometría]]></kwd>
<kwd lng="es"><![CDATA[Evaluación psicológica]]></kwd>
<kwd lng="es"><![CDATA[Motivación]]></kwd>
<kwd lng="en"><![CDATA[Validity]]></kwd>
<kwd lng="en"><![CDATA[Reliability]]></kwd>
<kwd lng="en"><![CDATA[Psychometrics]]></kwd>
<kwd lng="en"><![CDATA[Psychological assessment]]></kwd>
<kwd lng="en"><![CDATA[Motivation]]></kwd>
<kwd lng="pt"><![CDATA[Validade]]></kwd>
<kwd lng="pt"><![CDATA[Precisão]]></kwd>
<kwd lng="pt"><![CDATA[Psicometria]]></kwd>
<kwd lng="pt"><![CDATA[Avaliação psicológica]]></kwd>
<kwd lng="pt"><![CDATA[Motivação]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Abalo]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Lévy]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Rial]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Varela]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Invarianza factorial con muestras múltiples]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Lévy]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Modelización con Estructuras de Covarianzas en Ciencias Sociales]]></source>
<year>2006</year>
<page-range>259-78</page-range><publisher-loc><![CDATA[Madrid ]]></publisher-loc>
<publisher-name><![CDATA[Netbiblo]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ajzen]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[From Intentions to Actions: A Theory of Planned Behavior]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Kuhl]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Beckmann]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Action Control: From Cognition to Behavior]]></source>
<year>1985</year>
<page-range>11-39</page-range><publisher-loc><![CDATA[Heidelberg ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arbuckle]]></surname>
<given-names><![CDATA[J R]]></given-names>
</name>
</person-group>
<source><![CDATA[AMOS users guide version 21.0]]></source>
<year>2012</year>
<publisher-loc><![CDATA[Chicago, IL ]]></publisher-loc>
<publisher-name><![CDATA[Marketing Department, SPSS Incorporated]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ato]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[J J]]></given-names>
</name>
<name>
<surname><![CDATA[Benavente]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Un sistema de clasificación de los diseños de investigación en psicología]]></article-title>
<source><![CDATA[Anales de Psicología]]></source>
<year>2013</year>
<volume>29</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>1038-59</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baile]]></surname>
<given-names><![CDATA[J I]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Suárez]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Imagen corporal, hábitos alimentarios y hábitos de ejercicio físico en hombres usuarios de gimnasio y hombres universitarios no usuarios]]></article-title>
<source><![CDATA[Revista de Psicología del Deporte]]></source>
<year>2011</year>
<volume>20</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>353-66</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Byrne]]></surname>
<given-names><![CDATA[B M]]></given-names>
</name>
</person-group>
<source><![CDATA[Structural Equation Modeling With AMOS: Basic Concepts, Applications, and Programming]]></source>
<year>2016</year>
<publisher-loc><![CDATA[New York, NY ]]></publisher-loc>
<publisher-name><![CDATA[Routledge]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cheung]]></surname>
<given-names><![CDATA[G W]]></given-names>
</name>
<name>
<surname><![CDATA[Rensvold]]></surname>
<given-names><![CDATA[R B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluating goodness-of-fit indexes for testing measurement invariance]]></article-title>
<source><![CDATA[Structural Equation Modeling]]></source>
<year>2002</year>
<volume>9</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>233-55</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Elosua]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Zumbo]]></surname>
<given-names><![CDATA[B D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Coeficientes de fiabilidad para escalas de respuesta categórica ordenadas]]></article-title>
<source><![CDATA[Psicothema]]></source>
<year>2008</year>
<volume>20</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>896-901</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fraguela-Vale]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Varela-Garrote]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Sanz-Arazuri]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ocio deportivo, imagen corporal y satisfacción vital en jóvenes españoles]]></article-title>
<source><![CDATA[Revista de Psicología del Deporte]]></source>
<year>2016</year>
<volume>25</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>33-8</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gelabert]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[García-Esteve]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Martín-Santos]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Subirà]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Psychometric properties of the Spanish version of the Frost Multidimensional Perfectionism Scale in women]]></article-title>
<source><![CDATA[Psicothema]]></source>
<year>2011</year>
<volume>23</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>133-9</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hagger]]></surname>
<given-names><![CDATA[M S]]></given-names>
</name>
<name>
<surname><![CDATA[Chatzisarantis]]></surname>
<given-names><![CDATA[N L D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Trans-Contextual Model of Autonomous Motivation in Education: Conceptual and Empirical Issues and Meta-Analysis]]></article-title>
<source><![CDATA[Review of Educational Research]]></source>
<year>2016</year>
<volume>86</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>360-407</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hein]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Müür]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Koka]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Intention to be Physically Active after School Graduation and Its Relationship to Three Types of Intrinsic Motivation]]></article-title>
<source><![CDATA[European Physical Education Review]]></source>
<year>2004</year>
<volume>10</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>5-19</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hu L]]></surname>
<given-names><![CDATA[Bentler P M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cutoff criteria for fit indexes in covariance structure analysis: Conventional criteria versus new alternatives]]></article-title>
<source><![CDATA[Structural Equation Modeling]]></source>
<year>1999</year>
<volume>6</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-55</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Longmuir]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Colley]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Wherley]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Tremblay]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Risks and benefits of childhood physical activity]]></article-title>
<source><![CDATA[The Lancet Diabetes and Endocrinology]]></source>
<year>2014</year>
<volume>2</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>861-2</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Marsh]]></surname>
<given-names><![CDATA[H W]]></given-names>
</name>
<name>
<surname><![CDATA[Martin]]></surname>
<given-names><![CDATA[A J]]></given-names>
</name>
<name>
<surname><![CDATA[Jackson]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Introducing a Short Version of the Physical Self Description Questionnaire: new strategies, short-form evaluative criteria, and applications of factor analyses]]></article-title>
<source><![CDATA[Journal of Sport &amp; Exercise Psychology]]></source>
<year>2010</year>
<volume>32</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>438-82</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez-Baena]]></surname>
<given-names><![CDATA[A C]]></given-names>
</name>
<name>
<surname><![CDATA[Mayorga-Vega]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Intención de ser físicamente activos en escolares granadinos: Diferencias entre chicos y chicas]]></article-title>
<source><![CDATA[Revista Internacional de Deportes Colectivos]]></source>
<year>2014</year>
<volume>7</volume>
<numero>18</numero>
<issue>18</issue>
<page-range>74-5</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mayorga-Vega]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Parra]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Viciana]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of moderate-to-vigorous physical activity levels between physical education, school recess and after-school time in secondary school students]]></article-title>
<source><![CDATA[Kinesiology]]></source>
<year>2017</year>
<volume>49</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>242-51</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moreno]]></surname>
<given-names><![CDATA[J A]]></given-names>
</name>
<name>
<surname><![CDATA[Moreno]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Cervelló]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El autoconcepto físico como predictor de la intención de ser físicamente activo]]></article-title>
<source><![CDATA[Psicología y Salud]]></source>
<year>2007</year>
<volume>17</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>261-7</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nunnally]]></surname>
<given-names><![CDATA[J C]]></given-names>
</name>
<name>
<surname><![CDATA[Bernstein]]></surname>
<given-names><![CDATA[I H]]></given-names>
</name>
</person-group>
<source><![CDATA[Teoría Psicométrica]]></source>
<year>1995</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[McGraw-Hill]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="book">
<collab>Organización Mundial de la Salud</collab>
<source><![CDATA[Recomendaciones mundiales sobre actividad física para la salud]]></source>
<year>2010</year>
<publisher-loc><![CDATA[Suiza ]]></publisher-loc>
<publisher-name><![CDATA[Organización Mundial de la Salud]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Poitras]]></surname>
<given-names><![CDATA[V J]]></given-names>
</name>
<name>
<surname><![CDATA[Gray]]></surname>
<given-names><![CDATA[C E]]></given-names>
</name>
<name>
<surname><![CDATA[Borghese]]></surname>
<given-names><![CDATA[M M]]></given-names>
</name>
<name>
<surname><![CDATA[Carson]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Chaput]]></surname>
<given-names><![CDATA[J-P]]></given-names>
</name>
<name>
<surname><![CDATA[Janssen]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Tremblay]]></surname>
<given-names><![CDATA[M S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Systematic review of the relationships between objectively measured physical activity and health indicators in school-aged children and youth]]></article-title>
<source><![CDATA[Applied Physiology, Nutrition, and Metabolism]]></source>
<year>2016</year>
<volume>41</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>197-239</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reiner]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Niermann]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Jekauc]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Woll]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Long-term health benefits of physical activity-a systematic review of longitudinal studies]]></article-title>
<source><![CDATA[BMC public health]]></source>
<year>2013</year>
<volume>13</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>813-22</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Revelle]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Zinbarg]]></surname>
<given-names><![CDATA[R E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Coefficients alpha, beta, omega and the glb: comments on Sijtsma]]></article-title>
<source><![CDATA[Psychometrika]]></source>
<year>2009</year>
<volume>74</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>145-54</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[M N]]></given-names>
</name>
<name>
<surname><![CDATA[Ruiz]]></surname>
<given-names><![CDATA[M A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Atenuación de la asimetría y de la curtosis de las puntuaciones observadas mediante transformaciones de variables: Incidencia sobre la estructura factorial]]></article-title>
<source><![CDATA[Psicológica]]></source>
<year>2008</year>
<volume>29</volume>
<page-range>205-27</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sijtsma]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[On the use, the misuse, and the very limited usefulness of Cronbach's alpha]]></article-title>
<source><![CDATA[Psychometrika]]></source>
<year>2009</year>
<volume>74</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>107-20</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sterdt]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Liersch]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Walter]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Correlates of physical activity of children and adolescents: A systematic review of reviews]]></article-title>
<source><![CDATA[Health Education Journal]]></source>
<year>2013</year>
<volume>73</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>72-89</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Thompson]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<source><![CDATA[Exploratory and Confirmatory Factor Analysis.Understanding concepts and applications]]></source>
<year>2004</year>
<publisher-loc><![CDATA[Washington, D C ]]></publisher-loc>
<publisher-name><![CDATA[American Psychological Association]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Urrutia]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Azpillaga]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Cos]]></surname>
<given-names><![CDATA[G L de]]></given-names>
</name>
<name>
<surname><![CDATA[Muñoz]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Relación entre la percepción de estado de salud con la práctica físicodeportiva y la imagen corporal en adolescentes]]></article-title>
<source><![CDATA[Cuadernos de Psicología del Deporte]]></source>
<year>2010</year>
<volume>20</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>51-6</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Viciana]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Mayorga-Vega]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Guijarro-Romero]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Blanco]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Spanish Adaptation of the Sport Motivation Scale-II in Adolescent Athletes]]></article-title>
<source><![CDATA[Psychological Reports]]></source>
<year>2017</year>
<volume>120</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>943-65</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Viciana]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Mayorga-Vega]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Guijarro-Romero]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez-Baena]]></surname>
<given-names><![CDATA[A C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of two alternated teaching units of invasion team sports on the tactical learning in primary schoolchildren]]></article-title>
<source><![CDATA[International Journal of Performance Analysis in Sport]]></source>
<year>2017</year>
<volume>17</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>256-70</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="book">
<collab>World Health Organization</collab>
<source><![CDATA[Global status report on noncommunicable diseases 2014]]></source>
<year>2014</year>
<publisher-loc><![CDATA[Switzerland ]]></publisher-loc>
<publisher-name><![CDATA[World Health Organization]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="book">
<collab>World Health Organization</collab>
<source><![CDATA[Global action plan on physical activity 2018-2030: more active people for a healthier world]]></source>
<year>2018</year>
<publisher-loc><![CDATA[Switzerland ]]></publisher-loc>
<publisher-name><![CDATA[World Health Organization]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
