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Dannemiller, James L.; Freedland, Robert L. – Journal of Experimental Child Psychology, 1989
Preferences for moving versus static bars were assessed in 8-, 16-, and 20-week-old infants. Findings revealed that at both 16 and 20 weeks, preferences were affected only by the velocity of the bar's movement. This effect persisted at 20 weeks even when static reference features were added to the display. (RH)
Descriptors: Age Differences, Individual Development, Infants, Motion