When placing participants into conditions or groups for a study, researchers should use to ensure each participant has equal probability of being placed into each group.
a. external validity
b. systematic sampling
c. random sampling
d. random assignment
Question 2
Brooke is investigating exercise habits among college students. Brooke has asked students to indicate the number of times they workout each week. To investigate exercise, Brooke is using a(n) scale.
a. ordinal
b. nominal
c. ratio
d. interval
Field research on free-living primates allows primatologists to study patterns of behavior in the se
Religious Groups: From Hostility to Acceptance
Common Oral Lesions/Conditions Associated with HIV Infections and Treatment Guidelines
The Prison Study
Functional Groups of Carbon
Heartfelt Forgiveness Study