Methods in Behavioral Research:

1) Describe confounding variable and why do researchers try to remove confounding variables? Give two illustrations of confounding variables.

2) Describe the merits and demerits of posttest only design and pretest-posttest design?

3) What do you meant by sensitivity of a dependent variable?

4) Illustrate the differences between an independent groups design and a repeated measures design?

5) describe how do an experimenter's expectations and participant expectations influence outcomes?

6) Give an illustration of a factorial design. What are the key features of the factorial design? Describe the merits of a factorial design?

7) describe at least four different dependent variables.

8) prepare down some ways researchers can manipulate independent variables?

9) Illustrate the difference between the main effects and interactions?