When Participants in a Research Study Are Coded as Either

question 17

Multiple Choice

When participants in a research study are coded as either "male" or "female," what type of measurement scale is being used?

• A)Ordinal
• B)Ratio
• C)Nominal
• D)Interval
• E)Rank-order

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Definitions:

Controlled Observation

A research method where variables are manipulated to assess effects, often within a structured environment.

Placebo

A bogus treatment that has the appearance of being genuine.

Stomach Cancer

A type of cancer that forms in the lining of the stomach, often resulting from long-term inflammation and dietary factors.

Volunteer Bias

A source of bias or error in research reflecting the prospect that people who offer to participate in research studies differ systematically from people who do not.