1. A strategy for establishing is to have an observer rate the same behavior sequence at different times throughout the study.
2. 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 __________.
3. As the best approximation to the randomized control group design, field researchers often use:
4. Statistical regression is a threat to the internal validity of a study whenever:
5. Footprints, fingerprints, patterns of blood spatter, DNA from blood samples, and fiber traces used by forensic experts to reconstruct a crime are:
6. 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.
7. Mail surveys are associated with __________ while face-to-face surveys are associated with __________.
8. In __________ sampling, the population is classified into subgroups and simple random samples are taken from each subgroup.
9. The __________ design is to quasi-experimental designs as the multiple baseline design is to single-case designs.
10. The problem with face-to-face interviewing is __________.
11. The __________ design is to quasi-experimental designs as the ABAB design is to single-case designs.
12. The problem with telephone interviews is that __________.