Four Different Predictor Variables A, B, C, and D) Were

question 15

Multiple Choice

Four different predictor variables A, B, C, and D) were measured. The researcher used the Pearson correlation coefficient to assess the relationship of each variable with the dependent variable. The resulting coefficients are summarized in the following table.
$$\begin{array} { c c c } \text { Variable } & r & r ^ { 2 } \\\hline \text { A } & 0.30 ^ { \star } & 0.09 \\\text { B } & - 0.98 ^ { * * } & 0.96 \\\text { C } & - 0.55 ^ { * \star } & 0.30 \\\text { D } & 0.15 & 0.02 \\{ } ^ { * } p < .05 ; { } ^ { * \star } p < .01 & &\end{array}$$
-Which predictor variable A, B, C, or D) has the most positive relationship with the dependent variable?

• A) Variable C
• B) Variable A
• C) Variable B
• D) Variable D

---

Definitions:

Sperm Count

The concentration of sperm in a man's ejaculate, considered crucial for fertility; a lower count may indicate issues with fertility.

Carbohydrates

Organic compounds, including sugars, starches, and fibers, that are a major source of energy in the human diet.

Sexual Arousal

A physiological and psychological state of being awakened to sexual desire and readiness for sexual activity.

Hormone Replacement Therapy

is a medical treatment that uses hormones to alleviate symptoms associated with hormonal imbalance or decline in hormone production, commonly used during menopause.