Differential item functioning (DIF) is an important consideration in assessing the validity of test scores (Camilli & Shepard, 1994). A variety of statistical procedures have been developed to assess DIF in tests of dichotomous (Hills, 1989; Millsap & Everson, 1993) and polytomous (Penfield & Lam, 2000; Potenza & Dorans, 1995) items. Some of these…

This report summarizes research on experienced programmers' comprehension of computer programs that was carried out over a three-year contract period (1982-85). Following an extensive review of the programming skill literature, an analysis of programs based on the multiple abstractions (points-of-view) that characterize program text and design was…

Considers three aspects of computer assisted instruction (CAI), i.e., instructional program design, software tools needed for their realization, and assimilation of CAI in the classroom; discusses developments in CAI; and outlines techniques of knowledge representation arising from artificial intelligence and their value for student modelling and…

Characterizes gap between potential of computers in education and their performance in classrooms; documents differential participation of males and females in computer experiences and discusses contributory factors; describes two studies of how males and females respond to computer learning environments; and suggests actions to foster equitable…