A Psychologist Wants to Examine the Effect of Artificial Light

Multiple Choice

A psychologist wants to examine the effect of artificial light exposure on eating behavior. She recruits her clients from her private, upscale clinic as participants for this study and all of them agree to take part in it. Given only this information, which of the following is the largest problem with her study's design?

A) Selection bias
B) Self-selection
C) Non-response bias
D) Experimenter bias