A researcher conducts a study where she divides subjects into two groups,gives each group a certain treatment, and records their responses.What type of data collection is being used here?
A)An experiment.
B)Direct observation.
C)A survey.
D)A census.

Question

Quizplus · Accepted Answer

An experiment involves manipulating variables (in this case, giving different treatments) and measuring responses. Direct observation is simply observing and recording what is seen without any manipulation, a survey involves asking individuals about their opinions or behaviors, and a census involves collecting data from every member of a population.

A Researcher Conducts a Study Where She Divides Subjects into Two