The domain of ASSESSMENT includes studies that provide an understanding of individual and group approaches to assessment and evaluation in a multicultural society, including all of the following:
a. historical perspectives concerning the nature and meaning of assessment;
b. basic concepts of standardized and nonstandardized testing and other assessment techniques, including norm-referenced and criterion-referenced assessment, environmental assessment, performance assessment, individual and group test and inventory methods, psychological testing, and behavioral observations;
c. statistical concepts, including scales of measurement, measures of central tendency, indices of variability, shapes and types of distributions, and correlations;
d. reliability (i.e., theory of measurement error, models of reliability, and the use of reliability information);
e. validity (i.e., evidence of validity, types of validity, and the relationship between reliability and validity);
f. social and cultural factors related to the assessment and evaluation of individuals, groups, and specific populations; and
g. ethical strategies for selecting, administering, and interpreting assessment and evaluation instruments and techniques in counseling.