In Measuring Whether People Cooperated with Snackbot's Requests to Do

Multiple Choice

In measuring whether people cooperated with Snackbot's requests to do neck stretches, Lee noticed a customer doing neck stretches in a way that mocked Snackbot. Lee was unsure whether such behavior should count as co-operation. Lee asked other researchers helping her and one said it should count and the other said it should not. This situation brings up issues of

A) generalizability.
B) prediction.
C) reliability.
D) validity.