To insure that she obtained a sufficiently large number of minority respondents in a study of racial attitudes, a researcher divided the people in her population into four racial groups. She then drew a random sample from each of these groups.
What kind of sample is this?
a. cluster sample
b. simple random sample
c. quota sample
d. systematic sample
e. stratified random sample
The hidden university
a. consists of people who learn on their own at home
b. refers to the informal networks among researchers
c. is a poorly-known university that has well-known researchers
d. refers to the journals from which researchers learn
e. refers to students who return to college after working for several years.
Which of the following is not a participant variable?
a. self-esteem
b. age
c. weight
d. IQ
e. these are all participant variables
A simple random sample is chosen in such a manner that
a. every individual in the population has a equal chance of being selected
b. the sample is as small as economically feasible
c. the margin of error is zero
d. every possible sample of the desired size has an equal chance of being selected e. individuals selected for the sample are in the same geographical location
Researchers who present their research at professional conferences may do so in either a paper session or a _________ session.
a. presentation
b. poster
c. peer review
d. journal
e. verbal
Quick Reply
