One of the following is an example for intra-individual differences.
1
'A' and 'B' performed a musical concert in which 'B' excelled
2
In spite of studying for the same number of hours, 'A' used to take more time to learn a concept than 'B'
3
Though having interest in academics and games 'A' always used to excel in games
4
'B' used to quarrel always with peer group members, whereas 'A' used to be calm and quiet