A neighbour comes to your door and asks you to feed his dogs, water his plants, and mow his yard while he is out of town for a month. Feeling only slightly guilty, you turn down this large request. Then, the same neighbour returns the next day and asks if you would at least pick up his mail while he is gone. Chances are very good that you will honour this smaller request because of which compliance approach? a. foot-in-the-door technique.

b. highball effect.

c. lowball technique.

d. door-in-the-face effect.