The popularity of social networking sites (SNSs) among adolescents and young adults has raised concerns that the intensity of using these platforms might be associated with lower academic achievement. The empirical findings on this issue, however, are anything but conclusive. Therefore, we present four random-effects meta-analyses including 59…

Learning environment is a vast area and varies from time to time and place to place. In the broader spectrum, a learning environment may be teacher-centered or student-centered. The teacher-centered learning environment lacks active participation of students in the teaching learning process, and lecturing is a predominant mode of instruction.…

Although homework is generally believed to be an important supplement to in-school learning, research has not yet fully clarified the relationship between homework and achievement. This cross-cultural study analyzed the relationship between homework time and mathematics achievement drawing on data from 231,759 students in 9,791 schools and 40…

Findings from correlational studies of language learning behaviors and achievement on specific tasks are summarized and the implications are discussed. The interaction of learner strategies associated with classroom behavior and current teacher strategies is explored, and suggestions are presented for making this interaction effective. 40…

In this paper, we review findings from Project Competence on the nature of personality development from middle childhood through the early adult years and place these findings in the context of current research on temperament and personality traits. In a series of studies using data drawn from the Project Competence longitudinal project, we have…