The Columbia Mental Maturity Scale is a reliable instrument, but is not useful in assessing individuals
a. with sensory handicaps.
b. with physical handicaps.
c. under the age of 3 years.
d. with language handicaps.
Question 2
The different categories of validity
a. are important distinctions with little overlap.
b. have little use when determining overall validity.
c. must each be considered in order to determine validity of a scale.
d. are convenient grouping methods, but not distinctly different from each other.