Author Question: After years of extensive use, the Gesell scale a. still has a number of problems. b. has ... (Read 104 times)

kodithompson · **on:** Jun 19, 2018

After years of extensive use, the Gesell scale

a. still has a number of problems.
b. has relatively few problems.
c. is no longer used in clinical settings.
d. has excellent documentation in terms of reliability and validity.

Question 2

If a variable has a restricted range, it is difficult to estimate a validity coefficient due to a lack of

a. criterion validity.
b. variability.
c. adequate sample size.
d. cross validation.