3_ExpBasics - Basics of Experimentation Basics of...

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Basics of Experimentation
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Variables and Control Importance of replication e.g. study of alcohol consumption and test performance Operational definition – IV and DV defined by the operations used to produce or measure them. Operational definition crucial for replication and for communication of study results. Basics of Experimentation
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Examples of operational definitions Alcohol consumption Bph (beers per hour) cc injected at 10 percent alcohol Total volume of liquid consumed at 1 sitting (may or may not have alcohol). Intoxication Number of steering wheel changes of direction while driving Insults recorded on videotape during a conversion with a confederate Confederate’s subjective assessment of intoxication Reaction time in msec by stopwatch
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Example study – aircrew training for beginning pilots Half the pilots role played a flight with a confederate ATC. The ATC made 2 mistakes, one on the clearance, one a vector into a thunderstorm. The other half played video games together and did other exercises. All then flew together in a high fidelity simulator and were given problems in flight. Two instructor pilots watched videotapes of crews in hifi sim and rated their performance.
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Desirable qualities for an Independent Variable Relevant to research question. E.g,. Want to know effects of simulator time on pilot
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This note was uploaded on 05/21/2011 for the course PSY 3213 taught by Professor Staff during the Fall '08 term at University of South Florida.

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3_ExpBasics - Basics of Experimentation Basics of...

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