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
Functional groups
Squeeze forearm by placing your hands on both sides of the forearm and squeeze from elbow to wrist.
How to choose the right payment plan with changing conditions (Question 3)
Researchers compared the ability to recognize various kinds of facial expressions across young adult
Evolutionary tree for the living amniote groups
Ten Conditions Associated with Inherited Variation