This commentary responds to a critique (EC 601 711) of a paper (EC 211 387) concerning use of cluster analysis to develop a taxonomy of lifestyles of families with severely mentally retarded children. The commentary considers the model to be useful in social science inquiry, and properly validated when using cluster analytic techniques. (JDD)

Discusses problems for educational research posed by the unpredictability and indeterminism of human behavior. Presents a theory of purposeful behavior (perceptual control theory) to provide an explicit working model of how individuals produce repeatable outcomes via variable means. Describes primary characteristics of this theory and its…

Addresses concerns raised in Neale's commentary regarding the Bussell et al. (1999) Nonshared Environment in Adolescent Development study. Discussion of assumptions focuses on those most relevant to study sample. Because Neale's proposed alternative models did not provide a better fit, the appropriateness of Bussell's model and importance of…

Documenting treatment integrity is an important issue in research and practice in any discipline concerned with prevention and intervention. However, consensus concerning the dimensions of treatment integrity and how they should be measured has yet to emerge. Advances from three areas in which significant treatment integrity work has taken…

The concept of treatment integrity cuts across a diversity of fields involved with providing treatments or interventions to individuals. In medical treatments, the concept of "treatment compliance" or "treatment adherence" is an important and problematic issue. In the field of nutrition, the concept of "dietary adherence" is important for…

In educational research, nonessential factors are commonly ignored and when accounted for, they are often treated statistically as fixed effects. Yet many researchers in these situations generalize their findings beyond the specific levels selected; however, the analyses may require treating the factor as a random effect. Such inappropriate…

The uses and gratifications paradigm, like the initial conceptions of media effects, can be viewed as a compatible elaboration of contemporary social and political theory. The fundamental assumptions of the uses and gratifications approach, particularly the assumptions regarding the nature and extent of audience activity and the ability of the…

Qualitative research is a model for systematic, data-based inquiry. It has been used widely in the social sciences, and it has a growing acceptance in educational research. Its purpose is to describe and understand a particular, bounded social setting. The differences between quantitative and qualitative research involve the methods employed at…

Several problems exist with the rural knowledge base as it is traditionally conceived: (1) there is no useful rural definition with the diverse rural reality; (2) rural is undervalued as reflected in teacher education and training and in the stereotyping of regions in the country; (3) issues of sparsity, scarcity and size are disregarded, and (4)…

The needs assessment literature has not systematically addressed the special problems involved in evaluating the mental health needs of children. In an attempt to provide a low-cost, comprehensive approach to assessing these needs, a multi-modal design, which sampled the impressions of parents and key informants, along with agency and government…

One problem faced by researchers is the selection of the most appropriate research method or methods, given the context of the research setting. This dilemma does not concern the choice of the best research method given the program objectives or research questions, nor the selection of the best state-of-the-art methods. The issue concerns the…

Policy implications stemming from empirical analyses that evaluate national federal compensatory programs are clouded because negative findings could be due to either the nature of the educational process or the inadequacy of the data collection and analysis technique. This paper constructs a framework within which the separate effects of each are…

This essay supports William Kessen's recent call for a reorientation of child development research toward studies of the child in context and focuses on problems in monocultural studies of the child to argue that this reorientation will require significant changes in child development research methodology. Research on cultural differences in moral…

A persistent problem in aptitude-treatment interaction (ATI) research has been the need for a better conceptualization of instructional treatments. The concerns are important in the analysis of instructional treatments: the importance of considering the psychological processes called upon by the instructional treatment, and the ecological validity…