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Thomaes, Sander; Bushman, Brad J.; de Castro, Bram Orobio; Reijntjes, Albert – Developmental Psychology, 2012
When people reflect on their important values, they may become more attuned to the needs of others. Two longitudinal field experiments examined whether a subtle value-affirmation manipulation can initiate relatively enduring increases in young adolescents' prosocial feelings (Study 1; M [subscript age] = 12.9) and prosocial behaviors (Study 2; M…
Descriptors: Control Groups, Prosocial Behavior, Writing Exercises, Adolescents
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Duijnhouwer, Hendrien; Prins, Frans J.; Stokking, Karel M. – Educational Research and Evaluation, 2010
The effects of progress feedback on university students' writing mastery goal, self-efficacy beliefs, and writing performance were examined in this experiment. Students in the experimental condition (n = 42) received progress feedback on their writing assignment, whereas students in the control condition (n = 44) received feedback without progress…
Descriptors: Feedback (Response), Writing Assignments, Self Efficacy, Student Motivation