Research Methods for the Health Sciences

A researcher wishes to operationalize her study variables in the following manner. How might she go about doing so? Summarize your responses in tabular form (see example below), and supplement your table with a supporting narrative.

Age (continuous)

Gender (dichotomous)

Ethnicity (categorical)

Education (ordinal)

Income (continuous)

Marital status (categorical)

Weight (continuous)

Blood pressure (continuous)

Hypertension (dichotomous)

Body temperature (continuous)

Health insurance status (categorical)

Smoking status (dichotomous)

Cancer Stage (ordinal)

EXAMPLE:

Variable:

Name

Type

How operationalized

How measured

Age

Etc.

continuous
Age in years

How old were you on your last birthday?

Narrative: When age is operationalized in this manner, one would merely need to query the respondent to determine the age she turned on her last birthday. Alternatively, the researcher could ask the respondent to provide his birth date and year, and then calculate age at a later time.

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