The degree to which a questionnaire measures what it is supposed to measure is its
A) representativeness.
B) utility index.
C) validity.
D) reliability.
Correct Answer:
Verified
Q38: The degree to which a questionnaire measures
Q39: A discontinuity view involves the _ of
Q40: Normal,disease-free movement across adulthood is termed
A) primary
Q41: In a study on memory in adults,if
Q42: Even if age is positively correlated with
Q42: Manipulation is a fundamental component of
A)correlational techniques.
B)naturalistic
Q44: Structured observations differ from naturalistic observations in
Q45: The observed behavior of interest in an
Q46: A study that focuses on the description
Q51: Questionnaires and interviews are examples of techniques.
A)observational
B)correlational
C)sampling
D)self-report
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