Subjects Are Said to Be Assigned Randomly When

question 41

Multiple Choice

Subjects are said to be assigned randomly when

• A) they are selected to participate in an experiment from a sample which is representative of the larger population.
• B) they each have an equal chance of being assigned to either the experimental or control group.
• C) they are assigned to experimental and control groups so that the groups differ on some critical variable before the experiment begins.
• D) neither the experimenter nor the subject knows whether the subject is in the experimental or control group.

---

Definitions:

Health Benefits

Positive effects on physical, mental, and emotional well-being that result from activities such as regular exercise, proper nutrition, and adequate rest.

Body Image

The perception and attitude an individual has towards the appearance, shape, and size of their own body.

Mental Picture

The act of visualizing something in the mind’s eye, forming a visual image.

Waist Circumference

A measurement around the smallest area of the waist, used as an indicator of health risks associated with obesity.