A discussion of constructing research designs that avoid the conflict between securing internal validity at the expense of external validity. Several such designs and examples of their application are offered. (HB)

The major theme is that better and more productive studies could emerge if media research would move out of its traditional either-internal- or-external validity conflict. (Author/MV)

Research on media and technology in education appears in many forms and styles. The results of this research so far has been quite disappointing, in that researchers have failed to point out the difference between research on media and research with media. Research also has tended to become highly specific, thus losing representativeness. A…

A review of computer assisted instruction research and recent meta-analytical reports suggests that all research on the learning benefits of the instructional uses of computers should be halted until there is a plausible reason to expect that computers are instrumental in learning, since all existing evidence indicates that computers do not yield…

Discussion of research problems in instructional technology emphasizes two main needs: (1) development of a prescriptive research methodology; and (2) more front end analysis that produces a distinction between instructional design research and instructional development research. Two examples of research using the prescriptive technology approach…

Computer-based instruction (CBI) studies analyzed by Kulik et al. were examined to explore the validity of competing claims about the computer's contribution to measured achievement gains. Results suggest achievement gains found in CBI studies are overestimated and are due to uncontrolled but robust instructional methods embedded in CBI…