Do People Usually Think in Optimistic or Overly Ambitious Ways

Multiple Choice

Do people usually think in optimistic or overly ambitious ways when they are setting goals and/or striving to achieve goals?

A) Yes, they tend to be overly optimistic in both cases.
B) No, they tend to think in realistic ways in both cases.
C) They tend to be overly optimistic when goal setting, but more or less realistic when pursuing goals.
D) They tend to be more or less realistic when goal setting, but optimistic when pursuing goals.