1. The level of measurement which only classifies (categorizes) data is: a. Nominal b. Ordinal c. Interval d. Ratio 2. The statistical index reflecting the relevance of the items on a test is: a. Reliability b. Validity c. Practicality d. Difficulty 3. This method measures the consistency of the examinee?s scores between two administration of tests. a. Split Half Method b. Test-Retest Method c. Internal Analysis Method d. Equivalent Forms 4. Which of the following is a measure of central tendency in a set of scores: a. Mean b. Median c. Mode d. All of the above 5. Which of the following is a measure of the association between two sets of test scores: a. Mean b. Standard deviation c. Correlation d. Skewness 6. Which of the following research methods is usually considered "theory testing" a. Qualitative b. Quantitative c. Ethnographic d. Descriptive 7. Which of the following classes of statistical procedures is usually considered most appropriate for testing data gathered from small (< 30) samples? a. Parametric b. Non-parametric c. Fractal d. Stochastic 8. A statistical index which is useful for meta-analysis because I provides a standard way of looking at results across studies is: a. Effect size b. Sample size c. Regression coefficient d. Mean differences 9. Which of the following error types consists of falsely rejecting the null hypothesis? a. Type I b. Type II c. Type III d. None of the above 10. Which of the following error types has a probability qual to the alpha level (alpha) of the statistical test ? a. Type I b. Type II c. Type III d. None of the above (Short Essay) 11. Briefly contract a ?within? factor versus a ?between? factor in an experimental or quasi-experimental research design. 12. List and discuss two major requirements for a true (versus quasi) experimental design. In particular, what potential problems can arise if these two requirements are not met. 13. Describe a simple experimental design (a la Campbell and Stanley) to determine if multiple choice test items are better than essay items. Discuss factors jeopardizing internal and external validity (if any) in your design. 14. Discuss the current state of knowledge and the probable direction of true effect for one of the following topics: 1) gender and computing, or 2) relationship between Myers-Briggs Personality types and attitudes toward information technology and/or research. Use the articles discussed in class to justify your position on the topic chosen.