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Emde, Robert N.; And Others – Child Development, 1992
Assessments of temperament, emotion, cognition, and language acquisition were obtained for 200 pairs of 14-month-old twins. Comparisons between the assessment correlations for identical and fraternal twins indicated an influence of genetics on inhibition, activity, temperament, empathy, negative emotion, spatial memory, categorization skills, and…
Descriptors: Cognitive Development, Emotional Development, Genetics, Individual Differences