This study focused on Robert Gagne's method for curricular development, which consists of structuring a knowledge domain into a learning hierarchy. Two methods of generating learning hierarchies and two different sequencings of these hierarchies were compared and their effects were measured. Four programmed texts were developed from two different…

Presented is the task analysis for "Developing Mathematical Processes, Arithmetic, Book 1: Comparing and Equalizing Objects and Sets." This task analysis consists of identifying the behavioral objectives necessary for comparing and equalizing objects and sets and arranging them in a logical sequence for instruction. The 52 items in this task…

A hierarchy for learning to solve different types of addition with fractions problems was hypothesized on the basis of both content analysis and psychological considerations. Problem types were defined according to the relationship of the two denominators to each other (e.g., equal, prime, etc.) Students in grades 4 through 8 were each given 45…