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10 Cards in this Set

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 Statistical Inference Allows one to estimate population characteristics from sample data Probability Prediction - the likelihood that any one event will occur, given all the possible outcomes Sampling Error The tendency for sample values to differ from population values, which occurs by chance What does a p value of 1.00 mean? 100% chance an event will occur What does a p value of 0.00 mean? 0% chance an event will occur How do we prevent sampling error? Have a really big, representative, random sample Inclusion Criteria - Primary traits/factors of the target population which will qualify someone as a subject - Limits the number that can be included in a sample - Gets rid of confounding influences Exclusion Criteria - Traits/factors which would exclude someone from being a subject What are the keys to picking a good sample of the population? Balance the homogeneity of the sample with potential generalizability of the findings What is standard error? Standard error of the mean is the standard deviation of a theoretical sampling distribution of means The bigger the 'n', the more error is reduced SE = sd/square root of n