Answer:
The correct answer is option B, The Olympic bicycle racer who goes faster when he is racing against a person rather than the clock
Step-by-step explanation:
In social facilitation, a person works/performs better than his/her normal work/performance as he/she is in presence of other people. There are basically two type of social facilitation –
a) co-action effects – when a person works with other person as a co-worker
b) audience effect – when a person works in the mere presence of another person.
In this case , an Olympic racer competes with another racer, thus this would be a co –action effect.