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Unformatted text preview: PSY41820080902- What does an experimenter do? (E = experimenter) 1) Increasing the probability of phenomenon of interest. 2) Control is something that you only see in an experiment when the experimenter has total control of the experiment. I t translated into the fact that the experimenter can create to ways where two experiments are identical except for one variable. If the results are different in the two experiments then the variable can be accounted for that. Experiments are very hard in a real world situation to be identical except for one variable. For example, if we want to look at levels of aggression in two different groups, t ry to think of two situations are the same in all ways except for one. Imagine if we have two bars downtown: we find that there is much more aggression in one than the other. If we happen to have a Smith and Wesson alcohol reader, could we say the difference is in the alcohol difference? It could even be that they were watching a more aggressive show on the difference is in the alcohol difference?...
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This note was uploaded on 09/05/2008 for the course PSY 418 taught by Professor Haley during the Fall '08 term at University of Texas at Austin.
- Fall '08