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RRB_observe - 031:010 Research Methods in Psychology Spring...

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031:010 - Research Methods in Psychology Spring, 2010 Feb 18 th 1
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Statistical vs External Validity Statistical Conclusion Validity is the extent to which inferences made about the sampling population are accurate - it goes from the sample to the sampling population External Validity is the extent to which the results ( from a given study ) will generalize to other situations - it goes from the sampling population to everyone else example: using the Elem Psych Research Pool - Statistical Validity gets us from the sample to entire pool - External Validity gets us from the pool to everyone else 2
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Outline it’s 2 sday! two types of realism two threats posed by reactivity two (of many) forms of bias two types of observational research 3
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Realism Mundane Realism the extent to which the study (or experiment) resembles everyday life on this issue, field research pwns laboratory research Experimental Realism the extent to which the subjects take the study (or experiment) seriously in general, mundane realism exprmntl realism but you can have exprmntl realism w/o mundane realism 4
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