1. __________ is a strategy to reduce reactivity while __________ is a strategy to reduce observer bias.
2. In __________ sampling, the population is classified into subgroups and simple random samples are taken from each subgroup.
3. Rosemary Wood, the secretary for President Nixon, erased portions of the tapes where the President and his staff discussed the Watergate break-in. Later scholars have examined these tapes to assess the degree of integrity of the Nixon Presidency. This example represents the problem of __________ in archival data.
4. The accuracy of estimating population values from a sample is a function of all of the following EXCEPT:
5. An elaborate, sometimes pictorial, system for classifying the behavior of a species is called:
6. The student teacher waited a week after being introduced to her subjects before conducting her observation in order to __________.
7. Mail surveys are associated with __________ while face-to-face surveys are associated with __________.
8. A graduate student was observing the depressive behavior of a patient on the unit. She was kept unaware of when the patient started treatment. Such a control to reduce observer bias is called __________.
9. People who commit suicide sometimes leave notes. A researcher analyzed the contents of suicide notes in order to explain why people commit suicide. This study has the flaw of __________.
10. Withholding potentially biasing information from an observer is called _________the observer.
11. 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.
12. The OXO design applied to group data is called the:
