At about 12 months of age, infants ______
a. begin cooing c. say their first word
b. begin babbling d. begin using intonation
c
Psychology
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Operant conditioning assumes that:
a. events that follow behavior affect whether the behavior is repeated in the future. b. one's mental processes (e.g., memory and perception) mediate what behaviors one does in a situation. c. voluntary behaviors are reflexive. d. one learns by watching others' behavior.
Psychology
What is the name of the Piagetian substage in which children are first capable of representational thought and of using symbols to represent the world?
a. formal operations b. representational operations c. systematic thought d. symbolic function
Psychology