About one-third of female college students feel regret or shame after

Researcher Eric Kandel discovered that when he tapped a certain body spot Aplysia, a sea slug, one time, the slug would retract its gills in a defensive maneuver. However, when Kandel touched the same spot repeatedly, the slug would eventually ignore the stimulus. This change in response demonstrates _____.

a. habituation b. sensitization c. extinction d. acquisition

Compared to Western societies, sibling relationships in traditional cultures tend to be more

a. rival. b. caregiver. c. casual. d. critical.