Attention and Cell PhonesApplication of Theory12INFSCI 2300 – Week 3Attention and CellphonesBackgroundDual TaskfMRIHow to study real-world problemsEcological validityIs it important (answer: yes and no)Cell phones & DrivingUniversity of Utah StudyCarnegie Mellon University Study3Ecological validityWhat does this term mean?“approach with the ideal of developing theories that operate in realistic everyday situations. Some advocates of this approach would argue that artificial laboratory experiments are sometimes ‘ecologically invalid’ because they fail to capture critical aspects of real-world situations”What implication does it have for research?Might be worth contrasting correlational and experimental studies.Rate the following onEcologically validityValidity 4Study 1Subjects in a Stroop experiment take 20 seconds longer to name the colors of a list of words, if the words are names of colors instead of common nouns.ExperimentalControlGREENSay “red”CHAIRSay “red”5Study 2Students in a class are asked to find 10 relevant references as a homework assignment. Students who choose to use Google as their primary search engine find better references as determined by instructor, than students who choose to use Yahoo Search. The instructor concludes that Google is a better search engine for this type of problem.6Study 3Drivers on a controlled track are asked to complete an obstacle course having no alcohol and again after consuming 4 drinks. Those with alcohol make 30% more errors and yet take 20% more time to complete the course. The researchers conclude that 4 drinks significantly impair one’s ability to drive.
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