This paper reports three experiments concerning methodological issues in studies on incidental learning performance which use verbal and nonverbal procedures and which appear to be hampered by differences in stimulus materials, learning opportunities, and dependent measures. The first study, using 128 children from grades 3, 5, 7, and 9, attempted…

Four separate experiments were completed using the same stimulus materials but different groups of subjects to determine if orienting tasks created problems of control in incidental/intentional learning studies. Subjects were all Caucasians and heterogeneous in age (from 24 to 64 years), educational experiences, and career choices. Those in the…