1. When well done, __________ is NOT a major source of error in surveys.
2. A social worker wished to evaluate the benefits of letting nursing home residents care for a plant. On one floor, the residents were given a plant to care for in their room. On another floor, residents were not given a plant. The social worker measured their activity levels before and after. This is an example of a(n) __________.
3. True experiments differ from quasi-experiments in having:
4. Footprints, fingerprints, patterns of blood spatter, DNA from blood samples, and fiber traces used by forensic experts to reconstruct a crime are:
5. 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.
6. The comparison group in a nonequivalent control group design is called nonequivalent because __________.
7. Nonprobability sampling differs from probability sampling in that:
8. In nonprobability sampling, the likelihood of selecting a particular subject is __________, while in probability sampling, the likelihood of selecting a particular subject is __________.
9. The __________ design is to quasi-experimental designs as the AB design is to single-case designs.
10. The Notel researchers evaluated the rival hypothesis that observed increases in children's aggression after the introduction of television were due to maturation by:
11. An elaborate, sometimes pictorial, system for classifying the behavior of a species is called:
12. The use of a nonequivalent control group is an attempt to control for __________.
