Click on the following links. Please note these will open in a new window.

Review these audio, podcast, and video links for discussions on key topics from Chapter Seven including random assignment, double-blind randomization, field experiments, selection bias, the placebo effect, and confounding variables. 

Audio& Podcast Links

1. Concept: Double-Blind Procedure
2. Concept: Random Assignment
3. Concept: Selection Bias
4. Concept: Field Experiments
5. Concept: Selection Bias; Cohort
6. Concept: Placebo

Video Links

1. Concept: Cohort
2. Concept: True Experiment
3. Concept: Double-blind procedure
4. Concept: Placebo effect
5. Concept: Matching
6. Concept: Experiments; Confounding variables
7. Concept: Field Experiments
8. Concept: Placebo effect