<?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>2007-1833</journal-id>
<journal-title><![CDATA[Revista de psicología y ciencias del comportamiento de la Unidad Académica de Ciencias Jurídicas y Sociales]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. de psicol. y cienc. del comport. de la Unidad Académica de Cienc. Juríd. y Sociales]]></abbrev-journal-title>
<issn>2007-1833</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma de Tamaulipas, Unidad Académica de Ciencias Jurídicas y Sociales]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-18332019000200100</article-id>
<article-id pub-id-type="doi">10.29059/rpcc.20191126-94</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efecto del número de opciones de respuesta en las propiedades psicométricas de cuatro escalas psicosociales]]></article-title>
<article-title xml:lang="en"><![CDATA[Effect of number of response options in psychometric properties of four psychosocial scales]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calleja]]></surname>
<given-names><![CDATA[Nazira]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reskala Sánchez]]></surname>
<given-names><![CDATA[Félix Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Liliana]]></surname>
<given-names><![CDATA[Liliana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Buenrostro Mercado]]></surname>
<given-names><![CDATA[Diana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>10</volume>
<numero>2</numero>
<fpage>100</fpage>
<lpage>113</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-18332019000200100&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-18332019000200100&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-18332019000200100&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Las escalas psicosociales son utilizadas profusamente en estudios de muy diversos campos. Sin embargo, la investigación psicométrica no ha sido concluyente respecto del número de opciones de respuesta que resulta óptimo en la medición de un constructo. El objetivo del presente estudio fue comparar las propiedades psicométricas de cuatro escalas psicosociales empleando diferente número de opciones de respuesta. Los participantes (757 estudiantes universitarios) fueron asignados a uno de tres grupos independientes para responder a una batería integrada por cuatro escalas cortas, que evaluaban gratitud, optimismo, bienestar subjetivo y soledad, con cinco, seis o siete opciones de respuesta. Se encontró una asociación positiva entre el número de opciones y la calidad psicométrica de las escalas. La mayor variabilidad (dispersión) se observó en las versiones de seis y siete opciones; asimismo, en estas versiones los índices de consistencia interna y los porcentajes de varianza explicada fueron los más altos. Se concluyó que el uso de seis y siete opciones de respuesta, específicamente en escalas psicométricas breves y unidimensionales, ofrece mediciones más precisas, en comparación con las de cinco. Se discuten las implicaciones de estos hallazgos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Psychosocial scales are used profusely in studies in many different fields. However, psychometric research has not been conclusive regarding the number of response options that is optimal in measuring a construct. The objective of the present study was to compare the psychometric properties of four psychosocial scales using different number of response options. The participants (757 university students) were assigned to one of three independent groups to answer a battery consisting of four short scales that evaluated gratitude, optimism, subjective well-being and loneliness, with five, six or seven response options. A positive association was found between number of options and psychometric quality of the scales. The greatest variability (dispersion) was observed in versions of six and seven options; also, in these versions the internal consistency indices and the explained variance percentages were the highest. It was concluded that the use of six and seven response options, specifically at short and one-dimensional psychometric scales, offers more precise measurements, compared to five. The implications of these findings are discussed.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Número de opciones de respuesta]]></kwd>
<kwd lng="es"><![CDATA[escalas Likert]]></kwd>
<kwd lng="es"><![CDATA[psicometría]]></kwd>
<kwd lng="es"><![CDATA[confiabilidad]]></kwd>
<kwd lng="es"><![CDATA[validez]]></kwd>
<kwd lng="en"><![CDATA[Number of response options]]></kwd>
<kwd lng="en"><![CDATA[Likert scales]]></kwd>
<kwd lng="en"><![CDATA[psychometrics]]></kwd>
<kwd lng="en"><![CDATA[reliability]]></kwd>
<kwd lng="en"><![CDATA[validity]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aiken]]></surname>
<given-names><![CDATA[L. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Number of response categories and statistics on a teacher rating scale]]></article-title>
<source><![CDATA[Educational and Psychological Measurement]]></source>
<year>1983</year>
<volume>43</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>397-401</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Allen]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Seaman]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Likert scales and data analyses]]></article-title>
<source><![CDATA[Quality Progress]]></source>
<year>2007</year>
<volume>40</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>64-5</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Boote]]></surname>
<given-names><![CDATA[A. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Reliability testing of psychographic scales]]></article-title>
<source><![CDATA[Journal of Advertising Research]]></source>
<year>1981</year>
<volume>21</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>53-60</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Calleja]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Almazán]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Escala de Bienestar Subjetivo (EBS-20 y EBS-8): Construcción, validación e invarianza de medición]]></article-title>
<source><![CDATA[Revista Iberoamericana de Diagnóstico y Evaluación Psicológica]]></source>
<year></year>
<volume>2</volume>
<numero>55</numero>
<issue>55</issue>
<page-range>185-201</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carver]]></surname>
<given-names><![CDATA[C. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Scheier]]></surname>
<given-names><![CDATA[M. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Segerstrom]]></surname>
<given-names><![CDATA[S. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optimism]]></article-title>
<source><![CDATA[Clinical Psychology Review]]></source>
<year>2010</year>
<volume>30</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>879-89</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chang]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A psychometric evaluation of 4-point and 6-point Likert-type scales in relation to reliability and validity]]></article-title>
<source><![CDATA[Applied Psychological Measurement]]></source>
<year>1994</year>
<volume>18</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>205-15</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cicchetti]]></surname>
<given-names><![CDATA[D.V.]]></given-names>
</name>
<name>
<surname><![CDATA[Showalter]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Tyrer]]></surname>
<given-names><![CDATA[P.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effect of number of rating scale categories on levels of inter-rater reliability: A Monte Carlo investigation]]></article-title>
<source><![CDATA[Applied Psychological Measurement]]></source>
<year>1985</year>
<volume>9</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>31-6</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Comrey]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factor-analytic methods of scale development in personality and clinical psychology]]></article-title>
<source><![CDATA[Journal of Consulting and Clinical Psychology]]></source>
<year>1988</year>
<volume>56</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>754-61</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Croasmun]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ostrom]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Using Likert-type scales in the Social Sciences]]></article-title>
<source><![CDATA[Journal of Adult Education]]></source>
<year>2011</year>
<volume>40</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>19-22</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cummins]]></surname>
<given-names><![CDATA[R. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Gullone]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Why we should not use 5-point Likert scales: The case for subjective quality-of-life measurement]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Ridge]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[In Proceedings of the Second International Conference on Quality of Life in Cities]]></source>
<year>2000</year>
<page-range>74-93</page-range><publisher-loc><![CDATA[Singapore ]]></publisher-loc>
<publisher-name><![CDATA[National University of Singapore]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dawes]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Do data characteristics change according to the number of scale points used? An experiment using 5-point, 7-point and 10-point scales]]></article-title>
<source><![CDATA[International Journal of Market Research]]></source>
<year>2008</year>
<volume>50</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>61-104</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[DeVellis]]></surname>
<given-names><![CDATA[R. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Scale development: Theory and applications]]></source>
<year>2017</year>
<publisher-loc><![CDATA[Los Angeles, CA ]]></publisher-loc>
<publisher-name><![CDATA[Sage]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Diener]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Diener]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Most people are happy]]></article-title>
<source><![CDATA[Psychological Science]]></source>
<year>1996</year>
<volume>7</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>181-5</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Diener]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Guidelines for national indicators of subjective wellbeing and ill being]]></article-title>
<source><![CDATA[Journal of Happiness Studies]]></source>
<year>2006</year>
<volume>7</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>397-404</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Domínguez]]></surname>
<given-names><![CDATA[S. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[¿Ítems politómicos o dicotómicos? Un estudio empírico con una escala unidimensional]]></article-title>
<source><![CDATA[Revista Argentina de Ciencias del Comportamiento]]></source>
<year>2013</year>
<volume>5</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>30-7</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fornell]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Larcker]]></surname>
<given-names><![CDATA[D. F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluating structural equation models with unobservable variables and measurement error]]></article-title>
<source><![CDATA[Journal of Marketing Research]]></source>
<year>1981</year>
<volume>18</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>39-50</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Furr]]></surname>
<given-names><![CDATA[R. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Psychometrics: An introduction]]></source>
<year>2018</year>
<publisher-loc><![CDATA[Los Angeles, CA ]]></publisher-loc>
<publisher-name><![CDATA[Sage]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Garner]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rating scales, discriminability and information transmission]]></article-title>
<source><![CDATA[Psychological Review]]></source>
<year>1960</year>
<volume>67</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>343-52</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Andrade]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Escala de Bienestar Psicológico para Adolescentes]]></article-title>
<source><![CDATA[Revista Iberoamericana de Diagnóstico y Evaluación - e Avaliação Psicológica]]></source>
<year>2016</year>
<volume>42</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>69-83</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Green]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Rao]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rating scale and information recovery: How many scales and response category to use?]]></article-title>
<source><![CDATA[Journal of Marketing]]></source>
<year>1970</year>
<volume>34</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>33-9</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hu]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Bentler]]></surname>
<given-names><![CDATA[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="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Maeda]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Response option configuration of online administered Likert scales]]></article-title>
<source><![CDATA[International Journal of Social Research Methodology]]></source>
<year>2015</year>
<volume>18</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>15-26</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comportamiento de las correlaciones producto-momento y tetracórica-policórica en escalas ordinales: Un estudio de simulación]]></article-title>
<source><![CDATA[Relieve]]></source>
<year>2017</year>
<volume>23</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>11-9</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Leung]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A Comparison of psychometric properties and normality in 4-, 5-, 6-, and 11-point Likert scales]]></article-title>
<source><![CDATA[Journal of Social Service Research]]></source>
<year>2011</year>
<volume>37</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>412-21</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Items politómicos vs. dicotómicos: un estudio metodológico]]></article-title>
<source><![CDATA[Anales de Psicología]]></source>
<year>2005</year>
<volume>21</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>339-44</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lozano]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[García-Cueto]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Muñiz]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of the number of response categories on the reliability and validity of rating Scales]]></article-title>
<source><![CDATA[Methodology]]></source>
<year>2008</year>
<volume>4</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>73-9</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Maydeu-Olivares]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Fairchild]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Hall]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Goodness of fit in item factor analysis: Effect of the number of response alternatives]]></article-title>
<source><![CDATA[Structural Equation Modeling]]></source>
<year>2017</year>
<volume>24</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>495-505</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mills]]></surname>
<given-names><![CDATA[G. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Gay]]></surname>
<given-names><![CDATA[L. R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Educational research: Competencies for analysis and applications]]></source>
<year>2016</year>
<publisher-loc><![CDATA[Upper Saddle Ridge, NJ ]]></publisher-loc>
<publisher-name><![CDATA[Pearson]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McCullough]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Emmons]]></surname>
<given-names><![CDATA[R. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Tsang]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The grateful disposition: A conceptual and empirical topography]]></article-title>
<source><![CDATA[Journal of Personality and Social Psychology]]></source>
<year>2002</year>
<volume>82</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>112-27</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McKelvie]]></surname>
<given-names><![CDATA[S. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Graphic rating scales. How many categories?]]></article-title>
<source><![CDATA[British Journal of Psychology]]></source>
<year>1978</year>
<volume>69</volume>
<page-range>185-202</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Miles]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Shevlin]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Applying regression &amp; correlation: A guide for students and researchers]]></source>
<year>2011</year>
<publisher-loc><![CDATA[Los Angeles, CA ]]></publisher-loc>
<publisher-name><![CDATA[Sage]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Montero]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[J. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La soledad como fenómeno psicológico: Un análisis conceptual]]></article-title>
<source><![CDATA[Salud Mental]]></source>
<year>2001</year>
<volume>24</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>19-27</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Montero]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Soledad: Desarrollo y validación de un inventario multifacético para su medición]]></source>
<year>1998</year>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nunnally]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Bernstein]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Psychometric theory]]></source>
<year>1994</year>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[McGraw-Hill]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pedrosa]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Celis-Atenas]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Suárez-Álvarez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[García-Cueto]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Muñiz]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cuestionario para la evaluación del optimismo: Fiabilidad y evidencias de validez]]></article-title>
<source><![CDATA[Terapia psicológica]]></source>
<year>2015</year>
<volume>33</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>127-38</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Preston]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Colman]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optimal number of response categories in rating scales: reliability, validity, discriminating power, and respondent preferences]]></article-title>
<source><![CDATA[Acta Psychologica]]></source>
<year>2000</year>
<volume>104</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-15</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramsay]]></surname>
<given-names><![CDATA[J. O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of number of categories in rating scales on precision of estimation of scale values]]></article-title>
<source><![CDATA[Psychometrika]]></source>
<year>1973</year>
<volume>38</volume>
<page-range>513-32</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Revilla]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Saris]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Krosnick]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Choosing the number of categories in Agree-Disagree Scales]]></article-title>
<source><![CDATA[Sociological Methods &amp; Research]]></source>
<year>2014</year>
<volume>43</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>73-97</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schmidt]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Construcción de un cuestionario de emociones positivas en población entrerriana]]></article-title>
<source><![CDATA[Revista Iberoamericana de Diagnóstico y Evaluación - e Avaliação Psicológica]]></source>
<year>2008</year>
<volume>26</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>117-39</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schuts]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Rucker]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A comparison of variables configuration across scale lengths: an empirical study]]></article-title>
<source><![CDATA[Educational and Psychological Measurement]]></source>
<year>1975</year>
<volume>35</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>319-24</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Simms]]></surname>
<given-names><![CDATA[L. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Zelazny]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Williams]]></surname>
<given-names><![CDATA[T. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Bernstein]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Does the number of response options matter? Psychometric perspectives using personality questionnaire data]]></article-title>
<source><![CDATA[Psychological Assessment]]></source>
<year>2019</year>
<volume>31</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>557-66</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stevens]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[On the theory of scales of measurement]]></article-title>
<source><![CDATA[Science]]></source>
<year>1946</year>
<volume>103</volume>
<page-range>677-80</page-range></nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stevens]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[On the psychophysical law]]></article-title>
<source><![CDATA[Psychological Review]]></source>
<year>1957</year>
<volume>64</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>153-81</page-range></nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Streiner]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Norman]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Cairney]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Health measurement scales: A practical guide to their development and use]]></source>
<year>2015</year>
<publisher-loc><![CDATA[Oxford ]]></publisher-loc>
<publisher-name><![CDATA[Oxford University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wakita]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Ueshima]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Noguchi]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Psychological distance between categories in the Likert scale]]></article-title>
<source><![CDATA[Educational and Psychological Measurement]]></source>
<year>2012</year>
<volume>72</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>533-46</page-range></nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Weng]]></surname>
<given-names><![CDATA[L. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impact of the number of response categories and anchor labels on coefficient &#945; test-retest reliability]]></article-title>
<source><![CDATA[Educational and Psychological Measurement]]></source>
<year>2004</year>
<volume>64</volume>
<page-range>956-72</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
