Provide a complete answer for NINE (9) of the questions below.
1. What is the purpose of a consent form? Name at least four key pieces of information that must be included in a consent form.
2. What is the purpose of a debriefing statement? Write a debriefing statement for your own study.
3. What is a “pilot study?” What do experimenters gain from conducting pilot studies? List at least two specific functions of conducting a pilot study
4. What is a convenience sample? When might this type of sampling be used? Why might this type of sampling be problematic?
5. Describe and distinguish cross-sectional, longitudinal, and trend studies. Give an example of at least one type of study.
6. We discussed several types of data collection methods. Explain at least three different ways that data can be collected, highlighting at least one strength and one weakness for each.
7. Create the following types of survey questions: 1) a dichotomous closed-end question, 2) a closed- ended question with mutually exclusive categories, 3) a Likert scale question, 4) an open-ended question,
5) an open-ended question that is leading in nature?
8. Discuss social desirability bias and response set. What techniques can be used to avoid these forms of bias?
9. Compare and contrast quantitative, qualitative, and mixed methods research. Discuss strengths and weaknesses of each.
10. We discussed four major qualitative research methods. Explain two of those major qualitative research methods, including a primary method of data collection for each, and provide an original example of at least one method.
11. Statistical techniques are typically classified into the categories of descriptive and inferential. Describe the general purpose of, and provide examples for, each category.
12. Describe the important characteristics of and distinctions between bar graphs, histograms, line graphs, and scatterplots.
13. Explain how the correlation coefficient is interpreted in terms of strength and direction of the relationship. Provide an original example (i.e., NOT from your textbook) of a positive and a negative relationship.
14. Discuss the distinction between statistical significance and practical significance. How can we get an indication of practical significance.
Review the data representations and provide a complete answer in the space provided for each of the questions below. Please show your work.
15. Using the following scores, from a test that could result in scores from 20-25, draw a frequency distribution table (DO also include %): 20, 20, 21, 21, 21, 22, 22, 22, 22, 22, 23, 23, 23, 23, 24, 24,
24, 24, 25, 25, 25.
16. Using the scores from question 15, provide the following:
a. Range:
b. Median:
c. Mode:
17. What general type of relationship can be seen in the scatterplot below?
