This document reports on one of a series of three surveys conducted on behalf of the Commission on Non-Traditional Study. The chief purpose of this study is to describe in detail the potential market for adult learning. A second general purpose is to analyze the learning activities of men and women who are engaged in adult learning. To gather this information a survey questionnaire was sent to adults (ages 16-60) in a carefully selected national sample of 1,639 households. The document tabulates the data gathered and discussed in detail the various findings of the study concerning the characteristics of adult learners and would-be learners, content of learning interests and activities, credit for learning, reasons for learning, methods for learning, learning locations, barriers to learning, time and cost factors, reporting and guidance, and the desire for a degree. The 14-page questionnaire and the weighting procedures used are appended. (BP)