This note is concerned with the benefits that can result from the use of the maximal reliability and optimal linear combination concepts in educational and psychological research. Within the widely used framework of unidimensional multi-component measuring instruments, it is demonstrated that the linear combination of their components that…

Improving academic, behavioural, and social outcomes of students through empirical research has been a firm commitment among researchers, policy-makers, and other professionals in education across Europe and the United States (U.S.). To assist in building scientific evidences, executive bodies such as the European Commission and the Institute for…

Applied behavior analysts have been helping people to enhance the quality of their lives for decades. Its characteristics as described by Baer, Wolf, and Risley continue to guide efforts to help clients and their significant others. Yet, this knowledge often languishes unused and unappreciated. Distortions and misrepresentations of applied…

Classrooms serving students with or at risk for emotional and behavioral disorders (EBD) are complex environments that include multiple interactions such as those between (a) students and teachers, (b) students and peers, and (c) temporally distant or concurrent classroom-setting factors and subsequent behavioral episodes. As a result, the…

Inferences made in integrative research reviews are as important to the validity of behavioral science knowledge as are those in primary research. The research review is conceptualized as a scientific inquiry involving five stages paralleling those of primary research. Problem formulation is the stage when variables are defined conceptually and…

Describes Milgram's experiments in which individuals (assigned the role of "teacher") obeyed instructions to administer what they thought were severe electric shocks to "learners," and reports criticisms of the findings. Concludes that the experiments were sound and that they demonstrate that morality is situation-related…

How a cluster analysis is conducted, validated, and interpreted is illustrated using a 14-scale behavioral assessment instrument and a national sample of 1,228 elementary school students. Method, cluster typology, validity, cluster structure, and prediction of cluster membership are discussed. (Author/SLD)

This overview of the field of personality theory evaluates the important features of Raymond Cattell's work. While there are many areas of agreement between Cattell and other personality theorists, his rejection of traditional clinical methods for measurement and experimentation has created controversy as well as an extraordinarily rich…