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Greenbaum, Paul E.; And Others – Psychological Assessment, 1994
Method effects as a source of construct invalidity were evaluated for parent, teacher, and child ratings of problem behaviors among 489 children and adolescents with serious emotional disturbances. Multitrait multimethod analysis indicated large method effects for each rater. Such effects may be measurement artifact, situational differences, or…
Descriptors: Adolescents, Behavior Problems, Children, Construct Validity