Which of the following is not directly involved in scientific reasoning?
a. Formulating a hypothesis c. Debriefing participants
b. Designing experiments d. Determining the validity of the hypothesis
Question 2
An investigation that tracks groups of children of different ages over a period of time, usually a few years, is called a(n)
a. extended observation. c. longitudinal study.
b. sequential study. d. cross-sectional observation.