A total of 26 Grade 9 and 24 Grade 12 boys and girls were administered the Rosenberg self-esteem questionnaire and Vingiano's hemisphericity questionnaire. Greater right hemisphericity was associated with lower self-esteem. The strength of the effect (r = 0.52) was comparable to previous studies involving university students and supports the hypothesis that persistent input of negative affect from right hemispheric activation adversely influences the affective component of self-concept.
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