Topic: Collecting Data.

. What interval would you recommend between the two ​‌‌‌‍‍‌‍‍‍‍‍‌‍‌‍‌‍‍‍​administrations of the instrument to demonstrate test-retest reliability?

What constructs would you recommend that we use to demonstrate convergent and discriminant validity​‌‌‌‍‍‌‍‍‍‍‍‌‍‌‍‌‍‍‍​?