In One Study Participants Were Asked to Help Another Person

In one study participants were asked to help another person with a cover letter.Participants were then thanked for their help or simply told that the help had been received.Those who were thanked were __.

A) more likely to help the person revise a second cover letter
B) less likely to help the person revise a second cover letter
C) equally likely to help the person revise a second cover letter
D) less likely to feel an increase in self-worth
E) more likely to feel an increase in self-efficacy