
Experimental vs Observational Studies
Authored by Anthony Clark
Mathematics
12th Grade
CCSS covered
Used 1+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
For many years automobile insurance companies have charged young men higher premiums, reflecting this group’s relatively poor driving record. An executive in the insurance industry believes that different premiums should be charged according to age for all drivers, because drivers in some age groups drive considerably more than others. To examine this issue, 50 young (25- to 40-year olds), 50 middle-age (40- to 55-year-olds), and 50 older (over 55-years-old) drivers were questioned concerning the number of miles they drove in the previous 12 months.
Experiment
Observational Study
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Researchers wanted to know if there is a link between proximity to high-tension wires and the rate of leukemia in children. To conduct the study, researchers compared the rate of leukemia for children who lived within 1/2 mile of high-tension wires to the rate of leukemia for children who did not live within 1/2 mile of high-tension wires.
Observational Study
Experiment
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You want to see if students who have a 4.0 grade point average study more than those who do not.
experiment
observational study
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You want to compare the health of students who walk to school to the health of students who ride the bus
experiment
observational study
5.
DROPDOWN QUESTION
1 min • 1 pt
Decide if the scenario would be EXPERIMENTAL or OBSERVATIONAL. Compare the grades on a final math test of 25 students who use calculators and 25 students who do not use calculators. The students decide which group they are in. This represents a (a) study.
Experimental
Observational
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In an ________________, a researcher observes and measures characteristics of interest of part of the population but does not change existing conditions.
Experiment
Observational Study
Tags
CCSS.RI.11-12.7
CCSS.RI.9-10.7
CCSS.RL.11-12.7
CCSS.RL.8.7
CCSS.RL.9-10.7
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
To test the effects of breakfast on grades I ask my students if they ate breakfast and then compare the breakfast eaters grades to the non-breakfast eaters. This is an example of:
Observational study
Experiment
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