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. Only researchers who do experiments have hypotheses.
-- Choose an answer --
True
False
2. The null hypothesis cannot be proven.
-- Choose an answer --
True
False
3. Before doing a study, you will definitely need the permission of your professor and probably that of an ethics committee.
-- Choose an answer --
True
False
4. If you observe rather than manipulate a variable, you may make a proposed study more ethical.
-- Choose an answer --
True
False
5. If you do not manipulate a variable, your study will
-- Choose an answer --
have more external validity
lack internal validity
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