There is fear that adolescents have limited control over their digital technology use. The current research examines longitudinal (Study 1) and daily (Study 2) associations between U.S. adolescents' self-control and digital technological impairment and use. Using a large sample (N = 2,104; Wave 1: M[subscript age] = 12.36, 52% female, 57%…

Development of fraction number line estimation was assessed longitudinally over 5 time points between 4th and 6th grades. Although students showed positive linear growth overall, latent class growth analyses revealed 3 distinct growth trajectory classes: Students who were highly accurate from the start and became even more accurate (n = 154);…

Development of fraction number line estimation was assessed longitudinally over five time points between fourth and sixth grades. Although students showed positive linear growth overall, latent class growth analyses revealed three distinct growth trajectory classes: Students who were highly accurate from the start and became even more accurate (n…

The aim of this study was to examine the contribution of transcription skills, oral language skills, and executive functions to growth in narrative writing between fourth and sixth grade. While text length and story content of narratives did not increase with age, syntactic complexity of narratives showed a clear developmental progression. Results…

Learning to write in middle school requires the expansion of sentence-level and discourse-level language skills. In this study, we investigated later language development in the writing of a cross-sectional sample of 235 upper elementary and middle school students (grades 4-8) by examining the use of (1) lexico-grammatical forms that support…

Complex problem solving (CPS) as a cross-curricular competence has recently attracted more attention in educational psychology as indicated by its implementation in international educational large-scale assessments such as the Programme for International Student Assessment. However, research on the development of CPS is scarce, and the few…

The purpose of the present study was to examine the effects of a program that offered sustained strategic reading instruction on reading abilities of third and fourth graders. The study was conducted among 1,469 children from 40 schools in the Netherlands. Schools were randomly assigned to either the experimental or control group. Multilevel…

Background: The objectives of this study were to (i) determine the prevalence of and characteristics associated with tobacco smoking; (ii) identify the factors associated with tobacco smoking; and (iii) evaluate the association between tobacco smoking and khat chewing among intermediate and secondary school students in Jazan Region, Saudi Arabia.…

The purpose of this study is to investigate the effect of age on learning English in Saudi Arabia. It aims at encouraging the learning of English as a foreign language at an early age in KSA. The populations of the study are English language teachers and Saudi students in elementary schools compared with intermediate school students in Dawadmi…

This study investigates the population of intermediate and high school teachers in the Hawaii Department of Education. The purpose of the study was to determine the degree to which certain variables impact the reporting of homophobic bullying by secondary teachers. The study examined if the type of bullying, a teacher's characteristics, and…

Students (N = 221) in an intermediate school (grades 5-8) in a rural area of the Southwestern United States completed a survey regarding their familiarity with technology and their experiences with cyberbullying during the school year. Initial evidence of survey reliability is presented. In the sample, 1.5% of participants were classified as…

Age-related changes in children's performance on simple division problems (e.g., 6 divided by 2, 72 divided by 9) were investigated by asking children in Grades 4 through 7 to solve 32 simple division problems. Differences in performance were found across grade, with younger children performing more slowly and less accurately than older children.…