As a child, Paul was bitten by a spider and thereafter developed an intense phobia of them. In an effort to cure Paul's phobia, a psychologist gradually exposed him to spiders. After many sessions of having nonthreatening experiences with spiders, Paul's phobia was cured. This is an example of

Candace is a flight attendant for a large, international airline. while in china, candace often finds look-alikes in famous designer brands of watches, handbags, clothing, and golf clubs. in fact, she'll do her christmas shopping there and will even buy good-quality items for auctioning at her son's preschool events back in the u.s. candace's actions demonstrate

The primary purpose of a certificate of confidentiality is to: allow law enforcement to investigate abuse cases.protect researchers from disclosing conflicts of interest.prevent subjects from knowing the purpose of a study.protect identifiable research information from compelled disclosure.

Congress checks on the power of the presidency by overriding a presidential reversal or veto. debating the bill in both of the houses. making laws without presidential review. sending the bill back to several committees