My brother and I were subjects in a twin study conducted by Temple University. Our parents had the 16mm footage digitized and DVD encoded for Christmas 2011.
INFANT WALKERS: DEVELOPMENTAL TOOL OR INHERENT DANGER
Biokinetics Research Laboratory
Marcella V. Ridenour
Infant Walker Study
Graduate Assistant: Ed Oppenheim
Social Research Assistant: Patricia Stewart
Research Published in: Perceptual and Motor Skills Vol. 55, Iss. 3f (December 1982)