Michio Takahashi, Masaki Adachi, Tomoko Nishimura, Tomoya Hirota, Sayura Yasuda, Michito Kuribayashi, Kazuhiko Nakamura
Prevalence of pathological and maladaptive Internet use and the association with depression and health-related quality of life in Japanese elementary and junior high school-aged children
Social psychiatry and psychiatric epidemiology
school readiness skills broad set abilities children develop early childhood support achievement enter formal schooling three components school readiness skills focus current study executive function ef languageliteracy mathematics current study examines extent 13 direct assessments skills statistically align theoretical models distinct construct timepointspecific latent factors sample included 684 children 5234 male 42 blackafrican american mage 480 years fall prekindergarten assessed fall spring prekindergarten year factor analyses revealed statistical support model latent random intercept across timepoints constructs along timepointspecific latent factors fall spring prekindergarten independent random intercept timepointspecific latent factors primarily consisted early literacy mathematics assessments findings challenge commonly held practices creating constructspecific latent factors early childhood research lesser extent timepointspecific latent factors without consideration substantial shared variance across different constructs timepoints implications factor structure developmental theory school readiness skills considered well practical considerations future research