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Gustavson, Daniel E.; Friedman, Naomi P.; Stallings, Michael C.; Reynolds, Chandra A.; Coon, Hilary; Corley, Robin P.; Hewitt, John K.; Gordon, Reyna L. – Developmental Psychology, 2021
Individual differences in music traits are heritable and correlated with the development of cognitive and communication skills, but little is known about whether diverse modes of music engagement (e.g., playing instruments vs. singing) reflect similar underlying genetic/environmental influences. Moreover, the biological etiology underlying the…
Descriptors: Musical Instruments, Learner Engagement, Adolescents, Prediction
Horn, John L. – 1971
The author reviews cross-sectional and longitudinal studies on the status of intelligence in the aging, and finds conflicting conclusions: (1) intelligence does decline as persons grow older; (2) only some aspects decline while others improve; and (3) intelligence does not decline. Certain factors are adduced to suggest that such…
Descriptors: Adults, Age Differences, Age Groups, Individual Development