A researcher uses a blood pressure cuff (technically called a sphygmomanometer) to measure the blood pressure of participants while they are shown sexual, violent, or relaxing videos. The blood pressure measurement in this study is an example of _________
A) a variable
B) a sample
C) self-reporting
D) a demand characteristic
Answer: A
Rationale: The term variable refers to the object, concept, or event being measured. Psychologists have developed a variety of instruments to take objective measures of variables related to behavior and thought.
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What will be an ideal response?
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Fill in the blank(s) with the appropriate word(s).