Pearson R Is _______

question 85

Multiple Choice

Pearson r is _______.

• A) a measure of the extent to which paired scores occupy the same or opposite positions within their own distributions.
• B) the square root of the proportion of the variability of Y that is accounted for by X .
• C) used when both variables are of interval or ratio scaling.
• D) All of these are true.

Identify the drug of choice for treating alcohol withdrawal.

Recognize signs of family members taking on caretaking roles due to a relative's substance abuse.

Understand the difference between recreational drug use and drug abuse/addiction.

Identify factors that contribute to continued substance use despite negative consequences.

---

Definitions:

Independent Samples

Samples that are selected from two populations in such a way that the samples are not related or do not influence each other.

One-Way Analysis Of Variance

A statistical method used to test the difference between the means of three or more independent groups on a single factor to determine if at least one group mean is statistically different.

Kruskal-Wallis Test

A non-parametric statistical test used to compare three or more independent samples to determine if they come from the same distribution.

Wilcoxon Tests

A nonparametric statistical test used to compare two paired groups to assess whether their population mean ranks differ.