Does this study study have high or low external and internal validity?
- Data Collection occurred in a lab.
- Groups are put in: control (non-meditation) and experimental (meditation) group to measure out if meditation can lower stress levels in college students.
- Sampling procedures: self-selected sample as the participants were chosen on a voluntary basis. In the psychology classes, 143 and 203A, all students were asked, and the majority agreed to participate in the study