What is an important way to help insure that one's experimental sample of participants is adequately representative of the population from which it is drawn?
a. pretest all participants
b. survey participants about demographic characteristics
c. randomly select participants from the population
d. use a small sample
Question 2
It is useful for a research problem to be stated as precisely as possible because
a. specific questions are more likely to be proved correct.
b. the more specific the question is, the easier it is to get statistical significance.
c. a specific question allows the researcher to focus on only one variable at a time.
d. specific questions help the researcher decide what techniques, participants, and
measures to use.
The Reticular Activating System and Related Regions in the Brain Are Important Areas of Focus for D
The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
Sample Exercise Prescription for Weight Training: Intermediate
It is important that parents repeat safety rules to preschoolers and monitor compliance with rules.
The hazmat training pyramid. It is important to train from the ground up, starting with a firm grasp ...
Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ...