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Unformatted text preview: Click to edit Master subtitle style Unit 6 Questions and Answers Study guide for Unit 6: chance Precision/validity of an association Internal vs. external validity Generalizability Chance: population vs. samples Hypothesis testing ( p-values to reject or accept Ho) Estimation: Confidence intervals (95%, 99%) Computation and interpretation of a 95% confidence interval Statistical power: review of Type I and Type II errors Four features to power Example of a sample size and power calculation Overpowered samples: clinical vs. statistical significance What are the 4 explanations for an association to be observed in a 1 2 3 4 - Define validity and name and Validity: Two types of validity: 1 2 - True or False? External validity must be sought first before internal validity T F Internal vs. external validity (fairness of comparison groups vs. fairness of { 7 4 1 8 B 5 D 8 -F 7 C D -4 D B 4 -8 F 4 8 -E B E D B B E 0 B 0 9 } Sample { 6 D E F 3 9 C -A 1 3 C -4 6 9 6 -9 4 7 9 -2 1 0 3 2 D F 9 7 D E } Target population { 8 B D 9 C 6 8 A -D 0 6 C -4 2 C F -8 4 6 B -5 2 E 3 2 1 C D 8 D 6 } State/country/world Extent to which the cases/controls or...
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unit 6 additional questions - Click to edit Master subtitle...

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