Tim is doing poorly in math. although he knows he is not a very good math student, it does not concern him greatly. he spends most of his time after school playing hockey, sport at which he excels. tim's fifth grade math teacher tries to motivate him to stay after school for tutoring but tim doesn't want to miss hockey practice. furthermore he reasons two of his teammates have even lower marks in math and he does. which of the following statements about tim's self-concept is most accurate? a. tim's self-concept is low because he thinks poorly of himself in math. b. tim self-concept is high because he thinks he is good in athletics. c. tim self-concept reflect some understanding of his strengths and weaknesses. d. tim's self-concept is undifferentiated because of his age.