The Best Way to Avoid a Selectivity Bias Is To

Multiple Choice

The best way to avoid a selectivity bias is to:

A) randomly assign clients to different treatment conditions.
B) find two groups of clients that seem to be comparable in light of your practice expertise and knowledge of client characteristics.
C) provide services on a first-come, first-served basis, putting the later ones on a wait list.
D) None of the above.