In a Study to Investigate the Effect of Regular Exercise

question 26

Multiple Choice

In a study to investigate the effect of regular exercise on raising HDL (good cholesterol) levels, a random sample of five male subjects known to have low HDL levels had their HDL measured. after six months on a regular exercise schedule, it was measured again. The data are given in the following table. The standardized value z of the Wilcoxon signed rank test W⁺ is:

• A)0.4.
• B)0.95.
• C)1.48.
• D)3.51.

---

Definitions:

Latency Period

A phase in psychosexual development, occurring roughly between the ages of six and puberty, when sexual urges are repressed or dormant.

Freud's Theory

A set of psychoanalytic theories developed by Sigmund Freud, emphasizing unconscious conflict, stages of sexual development, and the structure of personality (id, ego, and superego).

Trait Theories

A group of theories that focus on the identification and measurement of specific personality characteristics and patterns of behavior.

Personality

The combination of characteristics or qualities that form an individual's unique character.