If a researcher watches 1-week-old babies and records how many times they open and close their eyes while lying in their cribs, he is most likely using _____.
A) the case-study method
B) a controlled experiment
C) cross-sectional research
D) scientific observation

Question

Quizplus · Accepted Answer

The researcher is using scientific observation to record the behavior of the 1-week-old babies. The case-study method involves in-depth analysis of one or a few individuals, whereas cross-sectional research compares different groups of people at one point in time. A controlled experiment involves manipulating variables to establish cause-and-effect relationships, which is not applicable in this scenario.

If a Researcher Watches 1-Week-Old Babies and Records How Many