Development Of The Smile And Fear Of Strangers In The First Year Of Life

Year Published: 1963

Creator: Pennsylvania State Univ Psych Cinema Register

Format: 16mm

Sound: sound

Description: Shows the development of the smile and of the fear of strangers during the first year of life in identical and fraternal twins. Points out that identical twins show greater concordance. Infants become more selective as they grow, smiling only at familiar persons and being afraid of strangers.

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