Questions

1. Using the survey that you constructed in the Module 3 Workshop, identify a nominal, ordinal, and continuous variable: write out each example of the question with variable levels with choices from your survey. Identify the appropriate measures of central tendency for each type of variable (mode, median, mean).

2. Identify 2 variables in your Module 3 Workshop survey that you would like to check for a correlation. What correlation statistic would you use (lambda, gamma or Pearson’s)? Why?

3. Define validity and reliability and explain why they are important in the research process.

4. Differentiate between causation and correlation.

5. Explain the meaning of statistical significance and why it is important.

6. What is a spurious correlation? Give an example and explain why it is a spurious correlation.