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Psych 295 Dulka Notes about Replication

by: T'Angela Knight

Psych 295 Dulka Notes about Replication Psych 295

Marketplace > University of Tennessee - Knoxville > Art > Psych 295 > Psych 295 Dulka Notes about Replication
T'Angela Knight
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Psych 295
Brooke Dulka
Class Notes
25 ?




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This 2 page Class Notes was uploaded by T'Angela Knight on Thursday February 18, 2016. The Class Notes belongs to Psych 295 at University of Tennessee - Knoxville taught by Brooke Dulka in Summer 2015. Since its upload, it has received 10 views. For similar materials see Psych 295 in Art at University of Tennessee - Knoxville.


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Date Created: 02/18/16
Replicable: a study whose results are obtained again when the study is repeated Inferential statistics: a set of techniques that uses chance and probability to help researchers make decisions about what their data mean REPLICATION STUDIES o Direct replication: when researchers repeat the original study as closely as possible to see whether the original effect shows up in the newly collected data (exact replication) o Conceptual replication: when researchers examine the same research question (the same concepts) but uses a different operationalization of the variable (pen color test) o Replication-plus-extension: a replication study in which researchers replicate the original study but add variables to test additional questions (cell phone vs. drunk) *By combining both of the variables, the researchers were able to see how both driving drunk and on the cell phone relate to each other. SCIENTIFIC LITERATURE o Scientific literature: a series of related studies, conducted by various researchers, that have tested similar variables o Literature review: when someone is approached to write a review about someone else’s work o Meta-analysis: a way of mathematically averaging the results of all the studies that have tested the same variables to see what conclusion the whole body of evidence supports THE FILE DRAWER PROBLEM o Bias in publication against null findings and replications o File Drawer Problem: the idea that studies finding null effects are less likely to be published than studies finding significant results EXTERNAL VALIDITY REVIEW Generalizing to other participants o Researchers are free to specify what their population of interest is o How were the participants obtained? Generalizing to other situations o Ecology validity: whether the lab studies is related to real-world situations CULTURAL PSYCHOLOGY o Cultural psychology: a sub discipline of psychology concerned with how cultural settings shape a person’s thoughts, feelings, and behavior o A theory that has been supported by a study in one human sample will not necessarily hold true for human beings in general *WEIRD populations: Western, Educated, Industrialized, Rich, and Democratic, have been vastly overrated, and are inaccurately applied to other cultures MÜLLER- LYER ILLUSION o Mostly Americans and Europeans were susceptible to the depth illusion because our world revolves around right angles. THE “REAL WORLD” o Field setting: a real-world setting for a research study o Experimental realism: the extent to which a laboratory experiment is designed so that participants experience authentic emotions, motivations, and behaviors o Weighing priorities: internal vs. external validity


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