Let the Data Speak

Christopher M. Ryan suggests that close participation in the research process yields not just experience, but practical, valuable data.

Quick Tip - 3 minutes 4 seconds

Looking for the Signal

Eric A. Youngstrom encourages a closer clinical-statistical relationship.

Quick Tip - 2 minutes 56 seconds

Pick the Tools that Can Answer the Question

Eric A. Youngstrom shares his enthusiasm for clinically-relevant measurements.

Quick Tip - 3 minutes 0 seconds

Selecting Analyses

Consider your hypothesis and the data when choosing analyses, states Wesley K. Thompson.

Quick Tip - 50 seconds

A Clear Hypothesis

Wesley K. Thompson states that lack of a good hypothesis is a common error.

Quick Tip - 21 seconds

Statistical Training for MDs and PhDs

Both MDs and PhDs need to stay up-to-date with statistical methods, states Ruth M. O'Hara.

Quick Tip - 2 minutes 6 seconds

Blocking and Matching

Helena Kraemer discusses reasons for taking a non-random sample.

Quick Tip - 1 minute 58 seconds

Common Errors

Ignoring interactions and not centering are two common mistakes in data analysis, states Helena Kraemer.

Quick Tip - 1 minute 27 seconds

Questions About Comorbidity

Husseini Manji advises investigators to address specific issues regarding comorbidity before beginning a study.

Quick Tip - 1 minute 22 seconds

Post-Hoc Probing of Mediator and Moderator Effects

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

Q&A