A researcher conducted a prospective cohort study from which all cases and a subset of controls (n=280) were selected for an incidence case-control study. Using the data below, determine whether the researcher used cumulative sampling, case-cohort sampling, or another method for selecting controls. Provide an explanation for your response. Cohort Study Exposed Not exposed Disease No Disease Total 162 408 570 118 422 540 Total 280 830 Controls Total Case-Control Study Cases Exposed Not exposed 162 196 358 118 84 202 Total 280 280

A researcher conducted a prospective cohort study from which all cases and a subset of controls (n=280) were selected for an incidence case-control study. Using the data below, determine whether the researcher used cumulative sampling, case-cohort sampling, or another method for selecting controls. Provide an explanation for your response. Cohort Study Exposed Not exposed Disease No Disease Total 162 408 570 118 422 540 Total 280 830 Controls Total Case-Control Study Cases Exposed Not exposed 162 196 358 118 84 202 Total 280 280

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 2E

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