The fact that the majority of participants in sex research have been white, middle-class volunteers illustrates the problem of:
A) random sampling.
B) probability sampling.
C) demographic bias.
D) data discrimination.
Question 2
A local radio talk show host asks his listeners to call in and report how frequently they engage in sexual intercourse. Which of the following BEST describes the validity of this information?
A) Because a random sample of the audience will call in, this will be valid information.
B) Because this is considered a demographically balanced sample, the information will be valid.
C) Because the host is utilizing the experimental method instead of the survey method, the information will not be valid.
D) Because this sample is not representative of the community, it will not be valid.
A blood smear. The smear reveals representative cells from each formed element group: red blood cell
Research Methods
Immunoglobulin Class (3–11)
MHC Class I and Class II Molecules
Eye Fact Poster
Research Methods