Research methods for the behavioral sciences 5th ed

Research methods quiz 1 You'll have one week to complete. Use your own words and cite your sources. Respond to 15 of the 21 questions below in your own words and note the page number(s) from which you have drawn your answers. 1. What is the scientific methods, and how does it guide research? 2. Describe in detail the basic characteristics of scientific inquiry. 3. Describe the characteristics, advantages and disadvantages of descriptive, correlational, and experimental research designs. 4. Turn each of the following statements into a research hypothesis and indicate whether the hypothesis is falsifiable: a. God answers our prayers. b. Birds of a feather flock together. c. You can’t teach an old dog new tricks. d. Elderly individuals don’t remember things well. e. Practice makes perfect. f. Single-parent families produce delinquent children. g. Aggression is increasing in our society. 5. What guidelines do scientists use to conduct an effective literature search? 6. Explain the concept of limiting conditions in research. Give one example. 7. Explain the difference between primary and secondary sources. Give an example for each. 8. Define theory in your own words. 9. What is the role of an Institutional Review board and why is it important? 10. Paraphrase each Characteristics of an Ethical Research Project Using Human Participants in your own words. 11. What is a postexperimental interview and why is it necessary? 12. What is the relationship between nominal, ordinal, interval, and ratio scales and the conceptual variables they are designed to assess. 13. What's the difference between reactive and nonreactive, direct and indirect measures? What are the advantages and limitations of each? 14. Describe the various kinds of Self-Report Measures and the limitations of each. 15. Reproduce TABLE 4.1 Operational Definitions on page 68 using your own 10 examples. 16. What is the relationship between reliability and validity? 17. Compare the assessment of face, content, and construct validity. Which of the three approaches is most objective, and why? Is it possible to have a measure that is construct valid but not face valid? 18. Describe three threats to reliability and how researchers can avoid them. 19. Describe three threats to validity and how researchers can avoid them. 20. Contrast Random and Systematic Error and identify potential sources. Research Methods Quiz 2 Select 10 of the following essay questions. Address each question in your own words, define all key terms and cite relevant page numbers. • Describe the procedures that scientists use to test their research hypotheses. Be sure to consider the following terms: null hypothesis, research hypothesis, alpha, beta, Type 1 errors, and Type 2 errors. • Explain the logic of one-sided and two-sided significance tests and the scientific advantage of using one or the other. • Why does reducing the likelihood of making a Type 1 error increase the likelihood of making a Type 2 error? • What is meant by the power of a statistical test, and what can scientists do to increase power? • Interpret the following equation: statistical significance = effect size x sample size.