Development and validation of the Adolescent Sexting Scale (A-SextS) with a Spanish sample
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Prevalence os sending, receiving and forwarding sexts among youths: A three-level meta-analysis.
Alttes ajuts: Conselleria d'Educació, Investigació, Cultura i Esport DOGV No. 7943, ACIF, 837 2017 By systematic review with a three-level, mixed-effects meta-analysis, this paper examines the prevalence of sexting experiences among youths aimed at analyzing conceptual and methodological moderators that might explain its heterogeneity. A search was conducted of five bibliographic databases and grey literature up until February 2020. The risk of bias in primary studies was assessed. A total of seventy-nine articles met the set inclusion criteria. Mean prevalences for sending, receiving and forwarding sexts were.14 (95% CI:.12,.17),.31 (95% CI:.26,.36) and.07 (95% CI:.05,.09), respectively, e…
Sexting Prevalence and Socio-Demographic Correlates in Spanish Secondary School Students
Introduction This research analyzes the prevalence of sexting and socio-demographic correlates in a sample of 647 adolescents administered a questionnaire at secondary schools in Valencia (Spain). Methods The questionnaire results indicate that 61% of respondents reported being involved in at least one case of sexting, with 24, 58, and 18% reporting having sent a sext, received a sext, and forwarded a sext, respectively. Results More males and older adolescents reported having received and forwarded sexts than female and younger adolescents. Conclusions Furthermore, time spent using Information and Communications Technology (ICT) devices, use and frequency of use of social media, grade repe…
How teachers’ practices and students’ attitudes towards technology affect mathematics achievement: results and insights from PISA 2012
The present work seeks to deepen the impact of factors linked to the characteristics of teaching practices and students' attitudes towards the use of technology on their performance in mathematics in the process of teaching-learning in the Spanish context. In this sense, this study is a secondary analysis of the PISA 2012 data. Therefore, it is an ex post facto design. Regarding the attitudes and the contextual variables, the results do coincide with the accumulated evidence. However, once these contextual effects have been controlled for, the negative relationship found between the pedagogic strategies used by the teachers and the mathematics score cannot but convey perplexity, since the r…
Estudio de la eficacia escolar en centros educativos de primaria mediante el uso de Modelos Jerárquicos Lineales
espanolINTRODUCCION. Se presenta un estudio censal sobre la eficacia escolar en los centros educativos de primaria de la comunidad autonoma de La Rioja, un analisis secundario de una evaluacion diagnostica (ED) previa en esa comunidad. Se valoro el impacto de variables contextuales en los rendimientos de las asignaturas evaluadas no usando las puntuaciones medias brutas obtenidas en la ED, sino las puntuaciones medias ajustadas una vez controlado el efecto de variables contextuales. METODO. El control se realizo por modelizacion estadistica multinivel con modelos jerarquicos lineales en dos niveles: estudiantes y centros. Los residuos de los modelos se usaron como criterio de eficacia escol…