We consider the effect on estimation of simultaneous variable centering and interaction effects in linear regression. We technically define, review, and amplify many of the statistical issues for interaction models with centering in order to create a useful and compact reference for teachers, students, and applied researchers. In addition, we…

English titles of medical research articles (RAs) are of great importance, the quality of which can, to a certain degree, affect impact factors of the articles, because many readers will make a decision as to whether to read on after reading titles. However, the special genre has not been extensively studied to date. This paper is designed to…

Describes the research efforts of scientists involved in discovering chemical transmission of the nerve impulse. The work includes that of J.N. Langley, George Oliver, Edward A. Schafer, Reid Hunt, Henry Dale, Henry Wellcome, Otto Loewi, and others. The discovery and the importance of both acetylcholine and adrenaline are also discussed. (84…

This book is a comprehensive resource of illustrative cases for classroom discussion of research ethics in the natural sciences, the behavioral sciences, and the humanities. The materials selected for inclusion are intended to speak to people in all disciplines, though the cases are drawn from biology, psychology, and history. They cover such…

This booklet is part of a series designed to help students take and defend a position on public issues. This booklet addresses the issues faced by society and individuals due to advances in scientific knowledge. It presents questions, stories, and scenarios for student discussion. Students are instructed to identify three kinds of questions in a…