Question 1
A researcher sits on a park bench and records the number of joggers who are wearing headphones. Which research method is being employed by the researcher?
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naturalistic observation◦
experimental method◦
survey method◦
case study methodQuestion 2
A researcher tries to make sure that subjects in the experimental and control groups are very similar to each other. This is done in order to reduce the effects of which type of variables?
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independent variables◦
random variables◦
dependent variables◦
extraneous variables