Establishes an argument that questions the validity of one test'' of goodness-of-fit (the extent to which a series of obtained measures agrees with a series of theoretical measures) for the simulated time path of a simple endogenous (internally developed) variable in a simultaneous, perhaps dynamic econometric model. (Author)

This study examined relationships between students' perceptions of course-related interaction and their course satisfaction within the learner-centered paradigm in distance education. A Students' Perceived Interaction Survey (SPIS) instrument was developed to examine nine separate hypotheses about the nature of course-related interaction. A…