Asserts that editors should declare their expectations publicly and expose the rationale for editorial policies to public scrutiny. Supports effect size reporting and the reporting of score reliabilities. Argues against stepwise methods. Also discusses the interpretation of structure coefficients and the use of confidence intervals. (SLD)

Replies to Bruce Thompson's positions on research methodology and editorial policy, addressing each of these issues in the ongoing discussion: (1) structure coefficients; (2) stepwise regression; (3) test reliability; (4) effect sizes; and (5) meta-analysis. (SLD)

Discusses the role of theory in each article of this special issue, showing how the authors make the case that there is real need to integrate theories and integrate findings related to questions of collaborative reasoning. Shows how a cohesive, integrated theory of group processes can be adopted. (SLD)