Young adults can generally outperform adults in middle age on tasks requiring high-order cognitive processing

Ethan, a three year old, asks his mom to cut a pizza pie into twelve rather than eight pieces because he is "really hungry." On the basis of this example, it is most appropriate to conclude that Ethan

a. understands object permanence. b. does not understand object permanence. c. understands conservation. d. does not understand conservation. e. understands the personal fable

Dyspareunia is

A) constriction of the vaginal opening. B) painful contraction of the pelvic muscles. C) painful orgasm. D) painful coitus.