Test Yourself

Take this quiz and see how you do. Select the correct answers by using the drop down menus. Once you are done, click submit to see your score! The ones that you get wrong will have a check!

1. If Treatment Group A scores significantly lower than Treatment Group B, we can conclude that Treatment A has a negative effect.
2. A researcher would always prefer using a placebo-control group to no-treatment control group.
3. An experiment that lacks adequate control groups will probably be attacked for its lack of
4. Using multiple levels of the independent variable may help improve your study´s
5. Confounding variables that are part of the treatment manipulation are a threat to your experiment´s
6. The multiple group experiment tends to have better internal validity than the simple experiment.
7. Suppose you have an empty control group in your experiment. Hypothesis-guessing will probably be a bigger problem if your experiment is
8. To improve construct validity, you may want more than one control group.

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