If a researcher watches one-week-old babies and records how many times they open and close their eyes while lying in their cribs, he is most likely using:
the case-study method.
a controlled experiment.
cross-sectional research.
scientific observation.
Question 2If a scientist wanted to use scientific observation to see how frequently schoolchildren share food at lunch, she could:
give half of them candy and see how many would share.
mingle with the children and ask them about sharing.
bring a small group into her laboratory and observe them eating.
watch the children from an unobtrusive spot in the school lunchroom.
Question 3Becky wants to study stealing in school-age children. She asked to review surveillance videos from three stores that were focused on the candy aisle. Her method of study is:
a survey.
scientific observation.
an experiment.
an exploration.
Question 4Watching and recording others' behaviors in a systematic and objective manner is referred to as:
scientific observation.
a correlational design.
cross-sectional research.
a laboratory experiment.
Question 5The notion of plasticity refers to the:
fact that many academic fields contribute data and insight to the science of
development.
universals and specifics of human development in many cultural settings.
vast array of contexts in which development occurs.
ability of human traits to be molded during development.
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