1. In nonprobability sampling, the likelihood of selecting a particular subject is __________, while in probability sampling, the likelihood of selecting a particular subject is __________.
2. Comparisons of quasi-experiments to true experiments reveal that __________.
3. Nonprobability sampling differs from probability sampling in that:
4. A researcher is interested in studying drug use in adolescence. He gathers a list of all high schools in the nation. He randomly selects 500 schools. From these schools, he randomly selects 3000 homerooms. From each homeroom, he selects 20 students using simple random sampling. His sampling process is an example of __________.
5. Withholding potentially biasing information from an observer is called _________the observer.
6. Flint, one of Goodall's chimpanzee subjects, was observed throwing a rock at one of his human observers. Flint's behavior is an example of:
7. A researcher conducts a week of daily observations of depressive behavior in a group of bipolar patients. She then implements drug treatment for one week, continuing her observations. In the third week she removes the drug treatment, and in the fourth week she administers the drug again. This researcher is using a __________ design.
8. True experiments differ from quasi-experiments in having:
9. Which of the following is NOT a factor that is known to influence error?
10. Which of the following is an example of probability sampling?
11. __________ is a strategy to reduce reactivity while __________ is a strategy to reduce observer bias.
12. Interobserver reliability is to __________ as intraobserver reliability is to __________.