About 8% of all infants show ________ attachment, an unhealthy form of attachment in which infants seek the proximity of their caregivers but don't gain comfort from the contact

At certain times in the menstrual cycle, women demonstrate a preference for a mate that has the greatest degree of facial symmetry, facial masculinity, and a muscular physique. These demonstrate a male's degree of

a. reproductive fitness. b. propinquity. c. self-fulfilling prophecy. d. familiarity.

Seligman and Maier used a(n) _____________ design to test whether the controllability of the shock, rather than the shock itself, caused the helplessness

a. integrated b. triadic c. double-blind d. controlled