The results from Dennis (1941) study on infant development under conditions of restricted practice and minimum social stimulation suggest that
A) Infant behavioural is innate and arises spontaneously without the need for intellectual or social stimulation
B) Normal infant development did not take place in the absence of intellectual and social stimulation
C) Cognitive development is not influenced by the environment
D) DZ twins and MZ twins show different patterns of cognitive development during infancy

Question

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Dennis' study found that normal infant development did not take place in the absence of intellectual and social stimulation, indicating that such stimulation is necessary for cognitive development. Option A is incorrect, as Dennis did not suggest that infant behavior is innate or spontaneous without stimulation. Option C is also incorrect, as the study shows that the environment does have an impact on cognitive development. Option D is not relevant or mentioned in Dennis' study.

The Results from Dennis (1941) Study on Infant Development Under