<?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>1607-4041</journal-id>
<journal-title><![CDATA[Revista electrónica de investigación educativa]]></journal-title>
<abbrev-journal-title><![CDATA[REDIE]]></abbrev-journal-title>
<issn>1607-4041</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma de Baja California, Instituto de Investigación y Desarrollo Educativo]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1607-40412018000100026</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Systematic Validation of a Self-Administered Questionnaire to Assess Bullying: From Elementary School to High School and by Sex]]></article-title>
<article-title xml:lang="es"><![CDATA[Validación sistemática de un cuestionario autoadministrado para evaluar el bullying: desde primaria hasta preparatoria y por sexo]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos-Jiménez]]></surname>
<given-names><![CDATA[Arnulfo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Esparza del Villar]]></surname>
<given-names><![CDATA[Óscar A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castro-Valles]]></surname>
<given-names><![CDATA[Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Torres]]></surname>
<given-names><![CDATA[Rosa P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Murguía-Romero]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villalobos-Molina]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Ciudad Juárez  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Chihuahua  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<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>03</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2018</year>
</pub-date>
<volume>20</volume>
<numero>1</numero>
<fpage>26</fpage>
<lpage>37</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1607-40412018000100026&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1607-40412018000100026&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1607-40412018000100026&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: There is a need to develop and validate an instrument to assess school bullying in the Mexican population in order to evaluate the issue and intervene accordingly. This study validates a bullying assessment instrument named Bull-M in children from 5th to 12th grade. The Bull-M was administered to a sample size of 2,030 students from 5th to 12th grade in several schools in Ciudad Juárez, Mexico. A two-factor structure of the Bull-M was analyzed with confirmatory factor analyses across the whole sample and gender and educational levels. The confirmatory factor analyses indicate good model fits, strong factor loadings and adequate Cronbach&#8217;s alpha values to assess internal reliability of the factors and scale. The Bull-M can be used to assess bullying in students from 5th to 12th grade in northern Mexico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Es necesario desarrollar y validar un instrumento para valorar el acoso escolar en la población mexicana a fin de evaluar el problema e intervenir en consecuencia. Este estudio valida un instrumento de evaluación de intimidación llamado Bull-M, el cual se administró a una muestra de 2,030 estudiantes de 5o. a 12o. grado en varias escuelas de Ciudad Juárez (México). Se analizó una estructura de dos factores del Bull-M con análisis de factores confirmatorios en toda la muestra y los niveles de género y educación. Los análisis factoriales confirmatorios indican buenos ajustes del modelo, fuertes cargas de factores y valores adecuados de alfa de Cronbach para evaluar la confiabilidad interna de los factores y la escala. El Bull-M se puede usar para evaluar la intimidación en estudiantes de 5o. a 12o. grado en el norte de México.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Confirmatory factor analysis]]></kwd>
<kwd lng="en"><![CDATA[school violence]]></kwd>
<kwd lng="en"><![CDATA[internal reliability]]></kwd>
<kwd lng="en"><![CDATA[emotional health]]></kwd>
<kwd lng="es"><![CDATA[Análisis factorial confirmatorio]]></kwd>
<kwd lng="es"><![CDATA[violencia escolar]]></kwd>
<kwd lng="es"><![CDATA[confiabilidad interna]]></kwd>
<kwd lng="es"><![CDATA[salud emocional]]></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[Alzahrani]]></surname>
<given-names><![CDATA[H. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bullying among medical students in a Saudi medical school]]></article-title>
<source><![CDATA[BMC Research Notes]]></source>
<year>2012</year>
<volume>5</volume>
<numero>335</numero>
<issue>335</issue>
<page-range>1-3</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bauman]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Toomey]]></surname>
<given-names><![CDATA[R. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Walker]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Associations among bullying, cyberbullying, and suicide in high school students]]></article-title>
<source><![CDATA[Journal of adolescence]]></source>
<year>2013</year>
<volume>36</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>341-50</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bickmore]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Teaching conflict and conflict resolution in school: (Extra-) curricular considerations]]></source>
<year>1997</year>
<conf-name><![CDATA[ Connections &#8217;97 International Social Studies Conference]]></conf-name>
<conf-loc>Sydney, Australia </conf-loc>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Byrne]]></surname>
<given-names><![CDATA[B. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Testing for multigroup invariance using amos graphics: A road less traveled]]></article-title>
<source><![CDATA[Structural Equation Modeling: A Multidisciplinary Journal]]></source>
<year>2004</year>
<volume>11</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>272-300</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Casey]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Hayward]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Gowen]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Middle-school girls&#8217; reports of peer victimization: Concerns, consequences, and implications]]></article-title>
<source><![CDATA[Professional School Counseling]]></source>
<year>2001</year>
<volume>5</volume>
<page-range>138-47</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cerezo]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Violencia y victimización entre escolares. El bullying: estrategias de identificación y elementos para la intervención a través del Test Bull-S]]></article-title>
<source><![CDATA[Electronic Journal of Research in Educational Psychology]]></source>
<year>2006</year>
<volume>4</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>333-52</page-range></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: A Multidisciplinary Journal]]></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[Craig]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Harel-Fisch]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Fogel-Grinvald]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Dostaler]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Hetland]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Simons-Morton]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Pickett]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A cross-national profile of bullying and victimization among adolescents in 40 countries]]></article-title>
<source><![CDATA[International Journal of Public Health]]></source>
<year>2009</year>
<volume>54</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>216-24</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Creswell]]></surname>
<given-names><![CDATA[J. W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Research design: qualitative, quantitative, and mixed methods approaches]]></source>
<year>2003</year>
<publisher-loc><![CDATA[Thousand Oaks, CA ]]></publisher-loc>
<publisher-name><![CDATA[Sage]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cristobal]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Flavián]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Guinalíu]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Perceived e-service quality (PeSQ): Measurement validation and effects on consumer satisfaction and web site loyalty]]></article-title>
<source><![CDATA[Managing Service Quality: An International Journal]]></source>
<year>2007</year>
<volume>17</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>317-40</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Crothers]]></surname>
<given-names><![CDATA[L. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Levinson]]></surname>
<given-names><![CDATA[E. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Assessment of bullying: a review of methods and instruments]]></article-title>
<source><![CDATA[Journal of Counseling and Development]]></source>
<year>2004</year>
<volume>82</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>496-503</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Due]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Damsgaard]]></surname>
<given-names><![CDATA[M. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Lund]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Holstein]]></surname>
<given-names><![CDATA[B. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Is bullying equally harmful for rich and poor children?: A study of bullying and depression from age 15 to 27]]></article-title>
<source><![CDATA[European Journal of Public Health]]></source>
<year>2009</year>
<volume>19</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>464-9</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fatima]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Khatoon]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Causes of students&#8217; aggressive behavior at secondary school level]]></article-title>
<source><![CDATA[Journal of Literature, Languages and Linguistics]]></source>
<year>2015</year>
<volume>11</volume>
<page-range>49-65</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fleming]]></surname>
<given-names><![CDATA[L. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Jacobsen]]></surname>
<given-names><![CDATA[K. H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bullying and symptoms of depression in Chilean middle school students]]></article-title>
<source><![CDATA[The Journal of school health]]></source>
<year>2009</year>
<volume>79</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>130-7</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gilmartin]]></surname>
<given-names><![CDATA[B. G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Peer group antecedents of severe love-shyness in males]]></article-title>
<source><![CDATA[Journal of personality]]></source>
<year>1987</year>
<volume>55</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>467-89</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Glover]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Gough]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Cartwright]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bullying in 25 secondary schools: Incidence, impact, and intervention]]></article-title>
<source><![CDATA[Educational Research]]></source>
<year>2000</year>
<volume>42</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>141-56</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hanley]]></surname>
<given-names><![CDATA[A. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Gibb]]></surname>
<given-names><![CDATA[B. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Verbal victimization and changes in hopelessness among elementary school children]]></article-title>
<source><![CDATA[Journal of clinical child and adolescent psychology]]></source>
<year>2011</year>
<volume>40</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>772-6</page-range></nlm-citation>
</ref>
<ref id="B18">
<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: A Multidisciplinary Journal]]></source>
<year>1999</year>
<volume>6</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-55</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<collab>Instituto Federal Electoral [Federal Electoral Institute]</collab>
<source><![CDATA[Consulta infantil y juvenil 2012]]></source>
<year>2012</year>
<publisher-loc><![CDATA[Mexico ]]></publisher-loc>
<publisher-name><![CDATA[Author]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="book">
<collab>Instituto Federal Electoral [Federal Electoral Institute]</collab>
<source><![CDATA[Consulta infantil y juvenil 2015]]></source>
<year>2015</year>
<publisher-loc><![CDATA[Mexico ]]></publisher-loc>
<publisher-name><![CDATA[Author]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="book">
<collab>Instituto Nacional de Salud Pública [National Institute of Public Health]</collab>
<source><![CDATA[Encuesta nacional de salud y nutrición 2006]]></source>
<year>2006</year>
<publisher-loc><![CDATA[Mexico ]]></publisher-loc>
<publisher-name><![CDATA[Secretaría de Salud]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<collab>Instituto Nacional de Salud Pública [National Institute of Public Health]</collab>
<source><![CDATA[Encuesta nacional de salud y nutrición 2012: Resultados nacionales]]></source>
<year>2012</year>
<publisher-loc><![CDATA[Mexico ]]></publisher-loc>
<publisher-name><![CDATA[Secretaría de Salud]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kline]]></surname>
<given-names><![CDATA[R. B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Exploratory and confirmatory factor analysis]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Petscher]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Schatsschneider]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Compton]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Applied quantitative analysis in the social sciences]]></source>
<year>2013</year>
<page-range>171-207</page-range><publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Routledge]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Levine]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Tamburrino]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bullying among young children: strategies for prevention]]></article-title>
<source><![CDATA[Early Childhood Education Journal]]></source>
<year>2014</year>
<volume>42</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>271-8</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nansel]]></surname>
<given-names><![CDATA[T. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Overpeck]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Pilla]]></surname>
<given-names><![CDATA[R. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ruan]]></surname>
<given-names><![CDATA[W. J]]></given-names>
</name>
<name>
<surname><![CDATA[Simons-Morton]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Scheidt]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bullying behaviors among us youth: Prevalence and association with psychosocial adjustment]]></article-title>
<source><![CDATA[Journal of the American Medical Association]]></source>
<year>2001</year>
<volume>285</volume>
<numero>16</numero>
<issue>16</issue>
<page-range>2094-100</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ozkal]]></surname>
<given-names><![CDATA[U. U.]]></given-names>
</name>
</person-group>
<source><![CDATA[Bullying among university students and the relationship between bullying and psychological problems]]></source>
<year>2011</year>
<publisher-loc><![CDATA[Ankara, Turkey ]]></publisher-loc>
<publisher-name><![CDATA[Middle East Technical University]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Patton]]></surname>
<given-names><![CDATA[D. U.]]></given-names>
</name>
<name>
<surname><![CDATA[Hong]]></surname>
<given-names><![CDATA[J. S]]></given-names>
</name>
<name>
<surname><![CDATA[Patel]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Kral]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A systematic review of research strategies used in qualitative studies on school bullying and victimization]]></article-title>
<source><![CDATA[Trauma Violence Abuse]]></source>
<year>2015</year>
<volume>18</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>3-16</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramos-Jimenez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Wall-Medrano]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Esparza-Del Villar]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Torres]]></surname>
<given-names><![CDATA[R. P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Design and validation of a self-administered test to assess bullying (bull-M) in high school Mexicans: a pilot study]]></article-title>
<source><![CDATA[BMC Public Health]]></source>
<year>2013</year>
<volume>13</volume>
<numero>334</numero>
<issue>334</issue>
<page-range>2-7</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sawyer]]></surname>
<given-names><![CDATA[A. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Bradshaw]]></surname>
<given-names><![CDATA[C. P.]]></given-names>
</name>
<name>
<surname><![CDATA[O'Brennan]]></surname>
<given-names><![CDATA[L. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Examining ethnic, gender, and developmental differences in the way children report being a victim of &#8220;bullying&#8221; on self-report measures]]></article-title>
<source><![CDATA[The Journal of Adolescent Health]]></source>
<year>2008</year>
<volume>43</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>106-14</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="book">
<collab>Secretaría de Salud [Secretary of Health]</collab>
<source><![CDATA[Extracto del informe nacional sobre violencia y salud]]></source>
<year>2006</year>
<publisher-loc><![CDATA[Mexico ]]></publisher-loc>
<publisher-name><![CDATA[Author]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shapiro]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Heick]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[School psychologist assessment practices in the evaluation of students referred for social/behavioral/emotional problems]]></article-title>
<source><![CDATA[Psychology in the Schools]]></source>
<year>2004</year>
<volume>41</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>551-61</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tyler]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tests and measurements]]></source>
<year>1972</year>
<publisher-loc><![CDATA[Cliffs, NJ ]]></publisher-loc>
<publisher-name><![CDATA[Prentice-Hall]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valencia]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Chacon]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Juarez shedding violent image, statistics show]]></article-title>
<source><![CDATA[CNN]]></source>
<year>2013</year>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yong]]></surname>
<given-names><![CDATA[A. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Pearce]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A beginner&#8217;s guide to factor analysis: Focusing on exploratory factor analysis]]></article-title>
<source><![CDATA[Tutorials in Quantitative Methods for Psychology]]></source>
<year>2013</year>
<volume>9</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>79-94</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
