<?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>2072-8174</journal-id>
<journal-title><![CDATA[Revista del Nacional (Itauguá)]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Nac. (Itauguá)]]></abbrev-journal-title>
<issn>2072-8174</issn>
<publisher>
<publisher-name><![CDATA[Hospital Nacional (Itauguá)]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2072-81742026000100203</article-id>
<article-id pub-id-type="doi">10.18004/rdn2026.e1800103</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis psicométrico de la escala de actitudes hacia las relaciones sexuales tempranas en adolescentes tardíos y adultos jóvenes peruanos]]></article-title>
<article-title xml:lang="en"><![CDATA[Psychometric analysis of the attitudes toward early sexual relationships scale in late adolescents and young adults in Peru]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gálvez Carrizales]]></surname>
<given-names><![CDATA[Dyaneth Lorena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mamani Ilaquita]]></surname>
<given-names><![CDATA[Nélida]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Villena]]></surname>
<given-names><![CDATA[Andy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Huayta-Meza]]></surname>
<given-names><![CDATA[Mariné Estefa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mamani-Benito]]></surname>
<given-names><![CDATA[Oscar Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Peruana Unión Escuela de Posgrado ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Señor de Sipán Facultad de Ciencias de la Salud ]]></institution>
<addr-line><![CDATA[Chiclayo ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Peruana Unión Facultad de Ciencias Empresariales ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Peru</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2026</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2026</year>
</pub-date>
<volume>18</volume>
<fpage>203</fpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S2072-81742026000100203&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S2072-81742026000100203&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S2072-81742026000100203&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  la falta de instrumentos para evaluar actitudes hacia las relaciones sexuales tempranas en adolescentes tardíos y adultos jóveneslimita las intervenciones preventivas en salud sexual.  Objetivo: diseñar y validar la Escala de Actitudes hacia las Relaciones Sexuales Tempranas (E-ARST).  Metodología:  corresponde a un estudio instrumental, donde participaron 995 adolescentes y jóvenes de entre 18 a 24 añosde edad (M = 20,43; 50 % varones), seleccionados mediante un muestreo no probabilístico intencional en las tres regiones del Perú. Para la construcción de la prueba se tomó en cuenta las 10 etapas que recomiendan expertos en psicometría, teniendo una versión inicial de 60 ítems. Para el análisis estadístico se recurrió al coeficiente V de Aiken, análisis de redes (EGA), análisis factorial exploratorio (AFE) y confirmatorio (AFC), análisis de consistencia interna e invarianza de medición.  Resultados:  según el juicio de expertos, 20 ítems demostraron ser claros, relevantes y representativos. El análisis EGA sugirió eliminar 04 ítems, sobre ello, el AFE (KMO=0,953, Bartlett=X2 (120) = 2220,1; p = 0,000) evidenció una estructura unidimensional (63,81 % de la varianza total) y el AFC validó una estructura final de 10 ítems, con una fiabilidad adecuada (CFI = 0,985; TLI = 0,981; RMSEA = 0,118; SRMR = 0,027; &#969; = 0,957). Finalmente, la escala demostró ser invariante según sexo, edad, región y estado sentimental.  Conclusión: la E-ARST es la primera escala validada para medir actitudes hacia relaciones sexuales tempranas en adolescentes y jóvenes peruanos de entre 18 a 24 años,facilitando la posibilidad de hacer investigaciones con finesde prevención y promoción de políticas de salud reproductiva.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: the lack of instruments to assess attitudes toward early sexual relationships in late adolescents and young adultslimits preventive interventions in sexual health.  Objective: to design and validate the Early Sexual Relationships Attitudes Scale (E-ARST).  Methodology: this is an instrument development and validation study, in which 995 adolescents and young adults aged 18 to 24 years (M = 20,43; 50 % male) participated, selected through intentional non-probabilistic sampling in the three regions of Peru. For the construction of the test, the 10 stages recommended by psychometric experts were taken into account, resulting in an initial version of 60 items. Statistical analysis included Aiken's V coefficient, network analysis (EGA), exploratory factor analysis (EFA), confirmatory factor analysis (CFA), internal consistency analysis, and measurement invariance.  Results: according to expert judgment, 20 items proved to be clear, relevant, and representative. The EGA analysis suggested removing 4 items. Subsequently, the EFA (KMO = 0,953, Bartlett's: X²(120) = 2220,1; p = 0,000) revealed a unidimensional structure (63,81 % of total variance), and the CFA validated a final structure of 10 items, with adequate reliability (CFI = 0,985; TLI = 0,981; RMSEA = 0,118; SRMR = 0,027; &#969; = 0,957). Finally, the scale proved to be invariant by sex, age, region, and relationship status.  Conclusion: the E-ARST is the first validated scale to measure attitudes toward early sexual relationships in Peruvian adolescents and young adults aged 18 to 24 years, facilitating research for prevention and the promotion of reproductive health policies.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[actitud]]></kwd>
<kwd lng="es"><![CDATA[relaciones sexuales]]></kwd>
<kwd lng="es"><![CDATA[estudio de validación]]></kwd>
<kwd lng="es"><![CDATA[adolescencia]]></kwd>
<kwd lng="es"><![CDATA[Perú]]></kwd>
<kwd lng="en"><![CDATA[sexual relationships]]></kwd>
<kwd lng="en"><![CDATA[validation study]]></kwd>
<kwd lng="en"><![CDATA[adolescence]]></kwd>
<kwd lng="en"><![CDATA[Peru]]></kwd>
</kwd-group>
</article-meta>
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