Amplifies a recent article by the author on influences for religious endogamy. A more appropriate indicator, called the Index of Influences for Endogamy, indicates influences of virtually equal strength for Catholics and Protestants, challenging the earlier conclusion of stronger Catholic than Protestant influences. (JAC)

Problems encounterd in conducting attitudinal research include difficulties with sampling procedures, attitudinal measurement, and attitudinal biases. Implications for researchers include the need to address the attitudinal biases of each individual involved in the research and the need to develop valid and acceptable attitudinal assessment…

Recently, communication researchers have suggested that dialectics may offer a different way of looking at mediation, organizational conflict, and the fundamental oppositions of interpersonal bonding. Leslie Baxter and Barbara Montgomery, through their relational dialectics perspective, have claimed a dialogical conceptualization of…

The purpose of this paper is to articulate the common confusion of correlation for causation. Various articles that have addressed this issue are reviewed, and possible reasons for the misinterpretation of correlation as causation are presented. The differences between correlational and experimental research designs are reviewed, and the…

Leakage of experimental information from debreifed subjects into a university subject pool was studied. It was concluded that in settings similar to those of the experiment, leakage of information is not a serious problem. (Authors)

Points out controversial aspects of Piagetian theory and indicates ways subsequent articles in the special issue address or are related to those concerns. (RH)

Clarifies several issues in response to recent criticisms of habituation and related novelty-preference techniques used in studies of infant memory. (RH)

Identifies conceptual problems in using political efficacy attitudes as indicators of socialization into political systems. Suggests that difficulties arise from the multidimensionality of the efficacy concept and from researchers' inability to distinguish efficacy from related constructs in political socialization literature. Proposes approaches…

The article reviews and interprets some of the literature that has investigated the relationships between refractive status and reading and between binocular status and reading. The characterization of the visual process is pointed out as a major research problem. (Author)

Velicer (1978) defines suppression situations in terms of the relations between part correlation and zero order validity. Conger (1974) defines suppressor in terms of regression weights. The present work clarifies the difference between the two approaches: Velicer's suppressor circumscribes only a subset of the suppression situations as defined by…