1. Which of the following describes single-blind experiments?

2. What does it mean if two variables have a positive correlation?

3. In what type of study does a researcher study an individual subject in depth?

4. How can we determine if a test has good validity?

5. What is the variable called that a researcher manipulates in an experiment?

6. What is the difference between the highest and lowest scores in a data distribution called?

7. The social desirability bias can affect which of the following?

8. Which of the following is a research method that allows a researcher to get information about a large number of subjects relatively inexpensively and easily?

9. What is a common way of controlling extraneous variables in an experiment?

10. When doing research involving deception with human subjects, researchers have an obligation to do which of the following?

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