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Huang, Jiaqin; Xie, Xin; Pan, Yuxi; Li, Guangming; Zhang, Fadi; Cui, Ningjing – SAGE Open, 2022
Self-esteem has always been a hot research object in the field of adolescent mental health. But in longitudinal research, using a single slope to describe the trajectory of adolescent self-esteem is unrealistic. The piecewise growth mixture model (PGMM) was used to fit the data in this study. Selecting from China Family Panel Studies database, a…
Descriptors: Self Esteem, Developmental Stages, Longitudinal Studies, Mental Health
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Mahdi, Dawood Ahmed – SAGE Open, 2022
This study examines the correlation existing between students speaking competency and their interaction with multimedia devices in the classroom learning process. A mixed-method study design has been employed to explore the impact of an interactive multimedia environment on their presentation and speaking skills. Initially, 46 Arabic-speaking…
Descriptors: English (Second Language), Second Language Learning, Second Language Instruction, Speech Communication