Why would Kenge, a Pygmy who lived in the Belgian Congo, have difficulty with size constancy?
a) Living in a dense forest limited exposure to long distances.
b) The cells of the retina degenerated as a result of dietary deficiencies.
c) An inherited defect caused the lens to become stiff and made accommodation difficult.
d) It was more important to focus on upward movements rather than movements at distances in order to survive.
ANS: a
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