Estimation problems associated with the correlated-trait correlated-method (CTCM) parameterization of a multitrait-multimethod (MTMM) matrix are widely documented: the model often fails to converge; even when convergence is achieved, one or more of the parameter estimates are outside the admissible parameter space. In this study, the authors…

Three approaches of validation enquiry were applied on the data obtained from a proficiency test carried out with 3,398 PhD candidates as a partial requirement for entering PhD program in Iran. The data obtained from the reading section were subjected to an exploratory factor analysis (EFA). The EFA yielded nine factors in the reading section.…

The computing learning environment has not often been equitable for female students. For example, the number of females enrolled in tertiary computing courses is low compared with males and their retention is poor. In recent years, New Zealand educational institutions have experienced an increased enrolment of "new arrivals"--students of…