Describes an investigation of time as a learner variable in an individualized mode of health instruction where time was permitted to vary, hypothesizing that aptitude as measured by a standardized test could correlate more closely with time in instruction than with achievement where students were expected to reach criterion levels. (MBR)

Describes a study of an individualized university mathematics course where students were given a choice of testing options. Topics discussed include measurement of such covariates as age, years at university, enjoyment of mathematics, and quantitative ability, and the relationship of covariates and testing choice. Results indicate students made…

To detemine the effectiveness of the Individualized Audio-Tutorial (IAT) method of instruction, an IAT unit in biology was implemented in ninth grade classrooms in an urban school in Israel, and student achievement was measured in relation to gender, academic background in mathematics and biology, and IQ levels. The 180 subjects were randomly…