Carl Overheard Some People Discussing Evidence That Drinking Green Tea

Multiple Choice

Carl overheard some people discussing evidence that drinking green tea can prevent cancer.He is initially not persuaded by this information because he is not confident that those people were well-informed.However,several weeks later Carl can no longer remember the source of this information but does remember the idea that green tea consumption may be linked to lower cancer rates.Since Carl forgot the source of the information,he may be vulnerable to the:

A) sleeper effect.
B) mere exposure effect.
C) primacy effect.
D) recency effect.