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روان شناسی و مشاوره::
مطالعۀ طولی
Analyses of the National Longitudinal Study of Adolescent Health (Add Health) data show that students with friends who like and do well in school are less likely to display off-track behaviors (i.e.
A longitudinal study of seventh- through ninth-grade students showed that an earlier high grade point average is related to subsequent social support from friends (DuBois, Felner, Brand, Adan, & Evans, 1992).
Longitudinal studies have found that boys continue to hold higher perceived math- ematical abilities than girls in samples from the United States (Fredricks & Eccles, 2002; Jacobs et al.
In English, there have been different findings across the longitudinal studies, which may reflect different measures employed to tap ability-related beliefs.
Additionally, longitudinal studies are needed to explore how teachers' goal orientations change throughout the course of their career and in relation to internal factors, school context, and other life events.
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