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.