PSYC 3003 Week 2 Test - Question and Answers

PSYC 3003 Week 2 Test 1. Which of the following will be likely to increase statistical significance? 2. Which of the following is true about hypothesis testing? 3. In a study investigating the effects of two different doses of a drug on students’ test performance, the drug represents the and students test performance is . 4. In an experimental research design, the term manipulation refers to the 5. What type of research tool can be either informal or highly structured? 6. The most rigorous test of a scientific theory involves 7. In a correlational research design, the term outcome variable is used to refer to the 8. Which of the following is an example of a closed-ended interview question? 9. Which of the following is not a good way to get a research idea? 10. Which of the following represents the major disadvantage of snowball sampling? 11. The U.S. Census is known as a census because 12. The statement “listening to others will promote better understanding” is an example of 13. A literature search will be most efficient if it 14. Which of the following is a set of principles that explains and predicts many, but not all, observed relationships within a given domain? 15. Louise has decided to conduct an experiment that is expected to show that an existing theory (the theory of cognitive dissonance) can explain why individuals who have cheated on an exam may later decide that it is OK to cheat. Her experiment is informed by 16. A general principle that holds in all situations is a , whereas a set of principles that 17. If the results of an experiment are determined to be statistically significant, then the experimenter should do which of the following? 18. Charles has noticed that every time it rains, both his car and his lawn mower are hard to start up. On the basis of these observations, he develops a theory that humidity reduces the ability of gasoline to burn effectively. Charles’s theory can be said to have been developed on the basis of which of the following? 19. Computer databases such as PsycINFO are searched using 20. Which of the following best describes snowball sampling? 21. Which of the following equations correctly describes the relationship among statistical significance, e"ect size, and sample size? 22. One of the disadvantages of using our observation of everyday life to generate a research hypothesis is that 23. A limitation of using questionnaires in survey research is that 24. In sampling, the specific list of the elements of the population is called the 25. Which of the following is true regarding Type 2 errors? 26. Mail surveys are particularly vulnerable to a problem that arises when not all respondents complete and return the survey. This problem is called 27. Results are said to be statistically significant if 28. A researcher selects a sample by taking every 60th name on the list beginning with the number 3 (e.g., 3, 63, 123, 183). What type of sampling is this? 29. Which of the following is an example of inferential statistics? 30. A Type 1 error occurs when