1. The accuracy of estimating population values from a sample is a function of all of the following EXCEPT:
2. Hartup recorded the type and frequency of aggressive behaviors seen in preschool children. He employed a(n) __________.
3. Probability sampling and methods of survey administration contribute __________ error compared to question wording.
4. Nonprobability sampling differs from probability sampling in that:
5. Which of the following is NOT a serious threat to validity of the pretest-posttest one-group design, O X O, is ___________.
6. Footprints, fingerprints, patterns of blood spatter, DNA from blood samples, and fiber traces used by forensic experts to reconstruct a crime are:
7. __________ measures have zero reactivity.
8. The __________ design is to quasi-experimental designs as the multiple baseline design is to single-case designs.
9. As compared to indirect measures of behavior, direct observations have __________.
10. Samuel Stouffer discovered that the greatest source of error or bias in the scientific use of surveys is:1 Based on his study of how Watson and Crick discovered the structure of DNA and how Darwin developed the theory of evolution, Robert Weisberg concluded that:
11. The threat to internal validity resulting from normal fluctuations in measures is called:
12. The student teacher waited a week after being introduced to her subjects before conducting her observation in order to __________.
