Three-week-old baby Alex smiles mostly during sleep and not in response to his mother's kind expressions. These smiles are

The developers of the five-factor model believe that personality characteristics reach full development in adolescence

Indicate whether the statement is true or false.

According to developmental psychologist K. Warner Schaie, the point reached by young adults in which intelligence is applied to specific situations involving the attainment of long-term goals regarding careers, family, and societal contributions is called

a) achieving stage. b) acquisitive stage. c) reintegrative stage. d) responsible stage.