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- Insensitivity_to_sample_size abstract "Insensitivity to sample size is a cognitive bias that occurs when people judge the probability of obtaining a sample statistic without respect to the sample size. For example, in one study subjects assigned the same probability to the likelihood of obtaining a mean height of above six feet [183 cm] in samples of 10, 100, and 1,000 men. In other words, variation is more likely in smaller samples, but people may not expect this.In another example, Amos Tversky and Daniel Kahneman asked subjectsA certain town is served by two hospitals. In the larger hospital about 45 babies are born each day, and in the smaller hospital about 15 babies are born each day. As you know, about 50% of all babies are boys. However, the exact percentage varies from day to day. Sometimes it may be higher than 50%, sometimes lower.For a period of 1 year, each hospital recorded the days on which more than 60% of the babies born were boys. Which hospital do you think recorded more such days? The larger hospital The smaller hospital About the same (that is, within 5% of each other) 56% of subjects chose option 3, and 22% of subjects respectively chose options 1 or 2. However, according to sampling theory the larger hospital is much more likely to report a sex ratio close to 50% on a given day than the smaller hospital which requires that the correct answer to the question is the smaller hospital (see the law of large numbers).Relative neglect of sample size were obtained in a different study of statistically sophisticated psychologists.Tversky and Kahneman explained these results as being caused by the representativeness heuristic, according to which people intuitively judge samples as having similar properties to their population without taking other considerations into effect. A related bias is the clustering illusion, in which people under-expect streaks or runs in small samples. Insensitivity to sample size is a subtype of extension neglect.".
- Insensitivity_to_sample_size wikiPageID "34952466".
- Insensitivity_to_sample_size wikiPageLength "2832".
- Insensitivity_to_sample_size wikiPageOutDegree "11".
- Insensitivity_to_sample_size wikiPageRevisionID "613267470".
- Insensitivity_to_sample_size wikiPageWikiLink Amos_Tversky.
- Insensitivity_to_sample_size wikiPageWikiLink Category:Cognitive_biases.
- Insensitivity_to_sample_size wikiPageWikiLink Clustering_illusion.
- Insensitivity_to_sample_size wikiPageWikiLink Cognitive_bias.
- Insensitivity_to_sample_size wikiPageWikiLink Daniel_Kahneman.
- Insensitivity_to_sample_size wikiPageWikiLink Extension_neglect.
- Insensitivity_to_sample_size wikiPageWikiLink Law_of_large_numbers.
- Insensitivity_to_sample_size wikiPageWikiLink Representativeness_heuristic.
- Insensitivity_to_sample_size wikiPageWikiLink Sample_size.
- Insensitivity_to_sample_size wikiPageWikiLink Sample_size_determination.
- Insensitivity_to_sample_size wikiPageWikiLink Sample_statistic.
- Insensitivity_to_sample_size wikiPageWikiLink Sampling_(statistics).
- Insensitivity_to_sample_size wikiPageWikiLink Statistic.
- Insensitivity_to_sample_size wikiPageWikiLink Statistical_sampling.
- Insensitivity_to_sample_size wikiPageWikiLinkText "Insensitivity to sample size".
- Insensitivity_to_sample_size wikiPageWikiLinkText "insensitivity to sample size".
- Insensitivity_to_sample_size hasPhotoCollection Insensitivity_to_sample_size.
- Insensitivity_to_sample_size subject Category:Cognitive_biases.
- Insensitivity_to_sample_size hypernym Bias.
- Insensitivity_to_sample_size type Type.
- Insensitivity_to_sample_size type Concept.
- Insensitivity_to_sample_size type Type.
- Insensitivity_to_sample_size comment "Insensitivity to sample size is a cognitive bias that occurs when people judge the probability of obtaining a sample statistic without respect to the sample size. For example, in one study subjects assigned the same probability to the likelihood of obtaining a mean height of above six feet [183 cm] in samples of 10, 100, and 1,000 men.".
- Insensitivity_to_sample_size label "Insensitivity to sample size".
- Insensitivity_to_sample_size sameAs m.0j42xs1.
- Insensitivity_to_sample_size sameAs Нечутливість_до_розміру_вибірки.
- Insensitivity_to_sample_size sameAs Q6037328.
- Insensitivity_to_sample_size sameAs Q6037328.
- Insensitivity_to_sample_size wasDerivedFrom Insensitivity_to_sample_size?oldid=613267470.
- Insensitivity_to_sample_size isPrimaryTopicOf Insensitivity_to_sample_size.