Investigated relationships among college students (N=76) science achievement, engaged time (observed and perceived), personal characteristics of academic aptitude, reasoning ability, attitude toward science, and locus of control. Among the results reported are significant relationships between engaged time measures and achievement, and between…

Carroll's learning model accounts for variations in school learning with variables, which can be expressed in terms of time and achievement. Most aspects of the model have been confirmed. Ways that the model might be used to address current problems in education are considered. (Author/BJV)