One of the following is an example for intraindividual differences.
(a) Though having interest in academics and games ‘A’ always used to excel in games
(b) ‘B’ used to quarrel always with peer group members, whereas ‘A’ used to be calm and quit
(c) ‘A’ and ‘B’ performed a musical concert in which ‘B’ excelled
(d) In spite of studying for the same number of hours, ‘A’ used to take more time to learn a concept than ‘B’