The local fire department calls and asks Stan to donate $5 to the community firefighters' fund. Believing this is a reasonable request, Stan agrees to donate. The following month, someone from the department calls and praises his "humanitarian gesture," and he is asked to donate a "small amount more." Stan agrees to donate $10. Based on the information in the Psych For Your Life box, Stan believes that the fire department may have used a persuasion strategy called the technique.

Foot-in-the-door

Explanation:Foot-in-the-door technique refers to a technique of targeting someone to agree to a larger request by first having them agree to a smaller request. You first connect with them on a small level where they can do for you a minor thing but for the fact that they have done this minor thing this means it would be hard for them to refuse to do the higher request. This is take from.tje fact once someone has put the foot in it woukd be hard to shut the door.

If someone request that you borrow them the morning lecture notes that they missed , you won't feel a much need to refuse because it is a minor request but when they borrow the whole week notes it would be hard to refuse after you have once borrowed them the morning notes.

i would say b. research typically uses a variety of sources

answer; specific deterrence;