Which influence technique involves asking for a small request in order to increase the likelihood of the target complying with a larger request later?

Foot-in-the-door technique

Explanation:

Foot-in-door-technique: The term foot-in-the-door techniques are also referred to with the term FITD technique. The technique usually uses a compliance strategy that involves gaining a large request from someone by preceding the large request with a small request. The likelihood of the person asking for the request if the larger request is being preceded with the small one.

Example: A boy asked his friend to let him play with his football, later on, he asked his friend to give him the football for one day.