Which of the following is considered a potential source of bias that could lead to misleading results?

According to psychologist Robert Sternberg, the components of love include all of the following EXCEPT a(n)

a) passion component that comprises the motivational drives relating to sex, physical closeness, and romance. b) intimacy component that encompasses feelings of closeness, affection, and connectedness. c) companionate love in which strong affection is apparent with people whose lives are deeply involved. d) decision/commitment component that embodies both the initial cognition that one loves another, as well as the long-term determination to maintain that love.

In regard to personality factors that may influence substance abuse, one study involved rating kindergarten children on several personality traits and following up with them several years later

In this study __________ in kindergarten predicted the onset of getting drunk, using drugs, and smoking at follow up. a) depression and novelty seeking b) anxiety and extraversion c) depression and introversion d) anxiety and novelty seeking