Jean piaget was most interested in:

a. studying how children think

b. measuring what children know.

c. how parents discipline their children

d. how peers influence each other

Jean Piaget was the famous Swiss Psychologist, whose area of interest was "Child development." He was also the first psychologist who devised the systematic study of cognitive development.

In the options given above, b, c, and d options were the secondary means to achieve his primary objective and main interest, which was to know how children think.

The correct answer, therefore, is: a) Studying how children think.

-i