The psychosis-like effects of PCP and ketamine gives support to the

Expertise, attractiveness, and trustworthiness all relate to which factor of persuasion?

a) channel b) message c) source d) audience

What term describes increased compliance when an initial small request is followed by a larger request?

a) risky shift b) foot-in-the-door effect c) door-in-the-face effect d) polarization phenomenon