1.A researcher studying lifespan categorizes individuals into single, married, divorced, or widowed. What type of variable measurement is this?
2.A cognitive scientist places her subjects into categories based on how anxious they tell her that they are feeling: “not anxious”, “mildly anxious”, “moderately anxious” and “severely anxious”, and she uses the numbers 0, 1, 2 and 3 to label categories where lower numbers indicate less anxiety. What type of variable measurement is this? Are the categories mutually exclusive?
3.A Physician diagnoses the presence or absence of disease (i.e. yes or no). What type of variable measurement is this?
4.A person weighing 200 lbs. is considered to be twice as heavy as a person weighing 100 lbs. In this case, what type of measurement is body weight?
5.A nurse takes measurements of body temperature on patients and reports them in units of degrees Farenheit as part of a study. What type of variable measurement is this?
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