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

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. This film can be purchased on DVD and higher quality versions of the film can be purchased for stock footage purposes. Contact footage@avgeeks.com for more information.

- Kind: Film
- Year: 1963
- By: Penn State Univ Psych Cinema Register
- Genres: Industrial and advertising
- Archive: [Internet Archive](https://archive.org/details/DevelopmentOfTheSmileAndFearOfStrangers)
- Licence or status: none stated by the archive
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/DevelopmentOfTheSmileAndFearOfStrangers?play=1)