The Study of Hopi Indians in the 1940s Added to the Maturational

Multiple Choice

The study of Hopi Indians in the 1940s added to the maturational account because the infants strapped to a cradleboard:

A) could not walk until well into their second year of life
B) could walk, but it took many months longer
C) could walk, and had almost no delays
D) could not walk, and had significant delays