In what way are self-reports of emotion often unsatisfactory??

a. Ratings from different people may not mean the same thing
b. Keeping records of self-reports is difficult and time consuming.
c. A change in self-report from one day to the next probably doesn't mean anything.
d. Most people give the same rating every day despite differences in how they feel.

Answer: a. Ratings from different people may not mean the same thing