Correlation and Covariance Measure

question 18

Multiple Choice

Correlation and covariance measure:

• A) the strength of a linear relationship between two numerical variables
• B) the direction of a linear relationship between two numerical variables
• C) the strength and direction of a linear relationship between two numerical variables
• D) the strength and direction of a linear relationship between two categorical variables
• E) none of these choices

---

Definitions:

Validity Checks

Techniques used in research to ensure that the instruments, procedures, and data collection methods accurately measure what they are intended to.

Participant Action Research

A methodology in social research where researchers actively engage and collaborate with participants in the research process to effect change.

Recommendations

Suggestions or proposals offered with the aim of advising or guiding actions and decisions.

Trained Researchers

Individuals who have undergone specific training to conduct scholarly or scientific investigations in a methodical and systematic manner.