Social Studies, 21.02.2020 05:05, shawnaelvaughns

A cohort study was conducted to examine cigarette smoking and the risk of oral cancer. The investigators selected exposed and unexposed subjects so that they had the exactly same distribution of race. This method to address confounding by race is called:
a. Restriction
b. Stratification
c. Matching

Answers: 2

Show answers

Other questions on the subject: Social Studies

Social Studies, 23.06.2019 00:00, breannaasmith1122

All of these are describing which georgia company

Answers: 1

continue

Social Studies, 23.06.2019 06:40, animedragonking459

Hurricane katrina is arguably an effect : a. an increase of living creatures and crowded habitats b. environmentalism c. global climate change d. unforseen factors

Answers: 2

continue

Social Studies, 23.06.2019 13:00, bnvghnbbb

The media have no effect on our socialization. x true ✓ false

Answers: 2

continue

Social Studies, 23.06.2019 16:00, mooreadrian412

Choose the statements that correctly describe the electoral college. 1. not all states get the same number of electoral votes. 2. there are 538 members of the electoral college. 3. members of congress are part of the electoral college. 4. to become president, a candidate must get a majority of the electoral votes. 5. a candidate needs 270 electoral votes to win an election. 6. the electoral college is used the elect all national government offices.

Answers: 1

continue

Do you know the correct answer?

A cohort study was conducted to examine cigarette smoking and the risk of oral cancer. The investiga...