You overhear a psychologist presenting a lecture to an introductory psychology class. The teacher mentions "purposeful or goal-directed behavior that may vary in intensity from one occasion to another." You recognize that he is talking about which type of behavior?

'Do my homework' and 'lose weight' are examples of

A) life tasks. B) strategies. C) personal projects. D) beliefs.

Which statement is NOT an assumption of the lifespan perspective?

a. Development is shaped by historical context. b. Development can take multiple directions. c. Development focuses on gains not losses. d. Understanding development requires multiple disciplines.