A research study finds that a group of participants who received relaxation training had lower exam anxiety scores than a group who did not receive training. However, the researcher suspects that the difference between groups may be caused by the fact that the participants in one group are generally smarter than those in the other. This study has a problem with ____.
a. internal validity
b. external validity
c. experimental validity
d. correlational validity
Question 2
Christine has conducted a study in which family caregivers of young adults with severe developmental disabilities were trained in stress reduction methods. After the fact, she discusses her findings with participants to ask whether the results make sense to them. Christine is assessing the ____ of her research.
a. credibility
b. transferability
c. dependability
d. confirmability
Flipper tags have been extensively used in the study of penguin population dynamics.
Research Methods
Reduction of the carbonyl group on a sugar
Study Force Courses
Operations Research
Self-splicing of group I introns