Multiple Choice
If a sample in a survey accurately reflects the important characteristics of the population from which it is drawn (e.g., the sample has 53% women and the population has 53% women) , the sample is said to be
A) a random sample
B) a representative sample
C) randomly assigned
D) internally valid
Correct Answer:
Verified
Correct Answer:
Verified
Q27: If stress is found to affect sleep
Q28: Being able to duplicate findings of a
Q29: Explain the major drawback of hindsight understanding.
Q30: Dr. West wanted to know about the
Q31: A researcher is examining the relation between
Q34: Participants in a double-blind study (where neither
Q35: If a scientific study determines a correlation
Q36: Describe and define the three methods of
Q37: Jake and Jack are both interested in
Q132: Researchers often manipulate more than one independent