A girl beginning puberty around 12 years old is an example of a(n)
A) age effect.
B) time-of-measurement effect.
C) practice effect.
D) cohort effect.
Correct Answer:
Verified
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
Q50: Developmental researchers are interested in understanding
A) how
Q51: Questionnaires and interviews are examples of techniques.
A)observational
B)correlational
C)sampling
D)self-report
Q51: In a _ design,groups of participants varying
Q52: Living through World War II was an
Q53: Most studies in adult development and aging
Q54: The reason that most research on development
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