The overjustification effect is an example of a cognitive error.

Maria was approached by her neighbor asking her to adopt two to three kittens that were abandoned by their mother. While Maria refused to take in three kittens, she did agree to adopt just one. What compliance technique did her neighbor use on Maria?

A) foot-in-the-door
B) door-in-the-face
C) lowball
D) double foot-in-the-door