Answer to Question 1
According to McClelland, implicit motives are basic. These are the recurrent preferences for particular types of affective experiences (e.g., feeling close for the intimacy motive). Because implicit motives are basic, they are good predictors of behavioral trends over time. Self-attributed motives are tied to specific action goals. They tell how a person will act in a particular situation. For this reason, they are better at predicting responses in structured settings.
Answer to Question 2
T