For each pf the following scenarios, provide a psychological explanations from a psychologists or a specific theory. (a) Mr. Williams, the manager of a grocery store, has decided to make the self-checkout machine play funky music as people pay for their items in order to encourage customers to use it more often. (b) Andrea has difficulty even beginning a project because the pressure is so great to make it as good as possible. (c) All her life, Fatima has felt extremely shy but doesn’t know where that feeling came from. (d) Miguel, who was in a bed car accident a few months ago, is heaving nightmares and mood swings.