1. Easy to use. Try to use measures that are easy enough to administer, score, and interpret so that they can be administered repeatedly. 2. Accessible. Try to use measures that are easy to obtain...

1. Easy to use. Try to use measures that are easy enough to administer, score, and interpret so that they can be administered repeatedly.

2. Accessible. Try to use measures that are easy to obtain (e.g., not restricted to certain professions, not expensive).