lecture 10-5

lecture 10-5 - October 5, 2004 *Researcher B is better can...

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October 5, 2004 *Researcher B is better can make a causal state because of the control ( change increases to “is related to” in researcher A) need control for causality Overview of Research Methods Survey Research Administer series of questions, and looking at relationships between variables -Used by Researcher A; variables were TV violence and aggression Important Issues: -Need representative sample of participants, so you can generalize to the population -Need good questions Advantage -To be able to generalize results to a larger public= high external validity (can say it’s true beyond the study) Disadvantages: -Cannot make causal claims= low internal validity (can conclude that A causes B and nothing can get in the way of that) -Reliance on self- reports usually (people reporting on themselves, causes misrepresentation) A variation: “Correlational Research” -Same idea as survey research: examine relationships between variables measured but without necessarily questioning people (still need representative sample, etc.) Experimental Designs/Research Researcher manipulates variable(s), controls everything else, then measure effects -Used by Researcher B; controls the amount of violence viewing
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This note was uploaded on 04/10/2008 for the course AS AM 1 taught by Professor Zhao during the Fall '08 term at UCSB.

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lecture 10-5 - October 5, 2004 *Researcher B is better can...

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