___ are more often afflicted with obsessive-compulsive disorder

Suppose you wanted your friend Nick to agree to join the "Save the Seals" campaign, a campaign that most of your other friends support. You should invite Nick to a meeting of

a. two friends of Nick who support Save the Seals, and two friends of Nick who do not support "Save the Seals." b. two other friends of Nick who support "Save the Seals." c. four other friends of Nick who support "Save the Seals." d. seven friends of Nick who support "Save the Seals," and three friends of Nick who do not support Save the Seals.

The basic tenet of ________ is that when we feel empathy for another person's plight, we will help that person regardless of what we may stand to gain

a. kin selection b. evolutionary psychology c. the reciprocity norm d. the empathy-altruism hypothesis