<prompt> All are true about Case control study EXCEPT:Attribute riskMeasurement of exposureMatchingOdds ratio  <response>: Ans. a Attribute riskRef.: K. Park 23rd ed. 71-72Case control study is often called retrospective study.The 4 Basic Steps of Case Control Study Matching Measurement of exposure Selection of cases and controls Analysis and interpretation relative riskRelative Risk Incidence among exposed---Incidence among non-exposed 