Consider the following study hypothesis: Scores on the Stress Scale have a positive relationship with hospital readmission (measured as either Yes or No) even when scores on the Social Support Scale are taken into consideration. Answer the following question: (1) How many variables are in the analysis of data for this hypothesis and what is the label you will give for each one? (2) What is the level of measurement for each of these variables? (3) What variable is the independent variable?
What will be an ideal response?
Ans: There are three variables in this analysis: stress, hospital readmission, and social support. Stress and social support are measured at the interval level, while hospital readmission is measured at the nominal level. The independent variable is hospital readmission because this is the variable that is believed to be caused by the other variables.
Learning Objective: 16-2: Identify descriptive statistics that you can use to describe variables based on their level of measurement.
Cognitive Domain: Application
Answer Location: Using Inferential Statistics to Test Your Hypothesis
Difficulty Level: Hard
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