1-87. WHICH OF THE FOLLOWING IS A KEY FEATURE OF AN EXPERIMENTAL DES...
1.1-87. Which of the following is a key feature of an experimental design?
a. The same individuals are studied several times over some period of time.
b. Calculation of a correlation is used to evaluate the results.
c. Two or more different cohorts are always used.
d. Participants are randomly assigned to groups.
e. Experiments are always longitudinal.
Difficulty:
3
Question ID: 1.1-87
Page-
24
Reference:
Topic:
Finding the Answers: Research Designs and Methods
Skill:
Conceptual
Objective:
1.13
Answer: d. Participants are randomly assigned to groups.