Dr Garcia Really Likes Twinkies

Multiple Choice

Dr. Garcia really likes Twinkies. Her students often see her eating them for breakfast, lunch, and snack. Garcia gives her students a survey to determine whether they prefer Twinkies or Ho Hos. Although most students prefer Ho Hos, most report liking Twinkies better. The students' responses demonstrate a/an

A) placebo effect.
B) social desirability bias.
C) independent variable.
D) junk food effect.