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…

Age differences in recognition and recall of common nouns were studied using three groups of fifty students, with mean ages of 6.7, 11.4, and 16.9. Subjects were randomly placed in either an incidental or intentional learning condition. All subjects were questioned about the physical, phonemic, and semantic aspects of the same words, in the same…

Two criteria for the automatic encoding of learning, instructional manipulation, and stimulus characteristics were studied in subjects who judged the frequency of occurrence of words, letters, and nonwords. In Experiment 1, six word lists were constructed with varying frequency of alphabet letters. A variety of instructions were presented (whether…