Developmental psychologist Dr. Wiggles is interested in preschool children's helping behavior. He spends hours watching children at the campus preschool, taking great care not to interfere with the children or to influence their behavior in any way. What data collection technique is Dr. Wiggles using?
a. Case study
b. Naturalistic observation
c. Meta-analysis
d. Structured observation
Question 2
Dr. Hu is interested in children's affective responses to studying science. She spends many hours sitting quietly and observing in elementary school classrooms during science instruction, and makes careful notes on all she observes. While observing, Dr. Hu is careful not to interact with the children or to interfere with their behavior in any way. This form of data collection is known as
a. self-report investigation.
b. naturalistic observation.
c. structured observation.
d. case study analysis.
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