Independent and Dependent Variables Robin Studied the Age at Which

question 14

Multiple Choice

Independent and Dependent Variables Robin studied the age at which Alzheimer's symptoms were first diagnosed in men and women who reported high or low mental activity and high or low socioeconomic status during their adult lives.Which were the subject variables in this ex post facto study?

• A)age when Alzheimer symptoms were diagnosed and gender
• B)gender and mental activity
• C)mental activity and socioeconomic status
• D)gender, mental activity, and socioeconomic status

---

Definitions:

Directional

Pertaining to a hypothesis or research that specifies the expected direction of the relationship between variables.

Non-directional

Pertains to hypothesis tests that do not specify a direction of difference or relationship, thus considering both possible outcomes.

Alternative Hypothesis

A statistical hypothesis that proposes a difference or effect, in contrast to the null hypothesis.

Nurses

Professionals in healthcare focused on the care of individuals, families, and communities so they may attain, maintain, or recover optimal health and quality of life.