Testing for Mediation and Moderation

Grayson N. Holmbeck provides tips for using multiple regression and SEM when testing for mediators and moderators.

Q&A

Three Qualities of a Good Researcher

Enthusiasm, perseverance, and staying informed are three vital characteristics of a successful researcher, says Ihsan M. Salloum.

Quick Tip - 1 minute 33 seconds

Making Sense of Mediators and Moderators

Helena Kraemer clarifies the roles of mediators, moderators, and interactions in RCTs.

Q&A

How to Give a Sensational Scientific Talk

Janet B. W. Williams provides tips for presenting your research at a scientific meeting.

Q&A

Post-Hoc Probing of Mediator and Moderator Effects

Grayson N. Holmbeck explains why post-hoc tests are important, and provides examples.

Q&A

Applying Anthropological Principles

Anthropology can enhance the research process, states Margaret R. Weeks.

Quick Tip - 2 minutes 21 seconds

Conflict of Interest

Joseph R. Calabrese discusses COI issues in medical research.

Presentation - 15 minutes 53 seconds

Defining a Pilot Study

Helena Kraemer shares her thoughts on what should and should not be called a pilot study.

Quick Tip - 1 minute 54 seconds

Continuous Feedback

Margaret R. Weeks describes the need for supervision of staff especially in fieldwork situations.

Quick Tip - 2 minutes 14 seconds

Introduction to Neural Net Modeling in Developmental Psychology

Jeffrey L. Elman introduces the principles of neural networks as they relate to developmental psychology.

Presentation - 20 minutes 18 seconds