Definitions for "Foot-in-the-door technique"
increasing the likelihood that someone will comply with a request by first getting them to comply with a smaller one. (618)
a technique to get people to comply with a request, whereby people are presented first with a small request, to which they are expected to acquiesce, followed by a larger request, to which it is hoped they also acquiesce
A persuasive strategy in which the persuader uses a small initial request, followed by a larger second request. The technique works on the premise that the receiver will accept the initial request and then-accept the later request as well.