RDE Chapter 2 Quiz A

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1. If the research accurately measures and manipulates the variables that the researcher claims to be measuring and manipulating, the research has 
2. If we find, in a sample of children of college professors, that tickling on the chin causes more laughter, our study has what kind of validity? 
3. A study shows that tickling increases laughter. The news reports that the study shows that tickling increases happiness. What would scientists object to most about the news story? 
4. If a team of researchers want to make a cause-effect statement, their study better have: 
5. If participants lie or figure out the hypothesis and then try to give the researcher the results they think the researcher wants, this causes a very serious problem for the research study's 



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