Lately,Caesar Has Been Feeling Quite Down,is Unable to Find Pleasure

Lately,Caesar has been feeling quite down,is unable to find pleasure in activities that he used to enjoy,and has stopped hanging out with friends.He has decided to see Dr.Cochrane,a therapist.Dr.Cochrane asks Caesar to keep a journal of his thoughts.When looking over the journal,Dr.Cochrane says,"Caesar,I see your journal says,'The librarian yelled at me because I am ugly and no one likes me.' That seems pretty negative.Can you think of another explanation for the librarian's behavior?" Caesar responds with,"Well,I guess he could have been having a bad day and was frustrated by something else."
a. What specific therapeutic technique is Dr. Cochrane using with Caesar?
b. Dr. Cochrane notices that Caesar is particularly sad during the winter. Based on this new information, describe an alternative therapeutic approach Dr. Cochrane could try to make Caesar feel better.