8-3 Surveys, Experiments, and Observational Studies
Authored by Kathleen Cavanagh
Mathematics
9th - 12th Grade
Used 37+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Determine whether the situation is an experiment or observational study.
A park employee wants to know if latex paint is more durable than non-latex paint. She paints 50 benches with latex paint and 50 with non-latex paint.
Experiment
Observational Study
2.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Determine whether the situation is an experiment or observational study.
A researcher asks students the average number of hours of sleep they get per night and examines whether the amount of sleep affects students' grades.
Experiment
Observational Study
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The study described in the following report is a randomized comparative experiment.
Determine the TREATMENT of the following scenerio:
At Ashland Middle School, fifty randomly chosen students were given milk at lunch every day for a year and fifty other randomly chosen students were given other beverages. At the end of the year, students in the "milk" group had 15% fewer cavities than students in the other group.
People who drink Milk
Other Beverages
Milk
People who drink other beverages
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The study described in the following report is a randomized comparative experiment.
Determine the CONTROL GROUP of the following scenerio:
At Ashland Middle School, fifty randomly chosen students were given milk at lunch every day for a year and fifty other randomly chosen students were given other beverages. At the end of the year, students in the "milk" group had 15% fewer cavities than students in the other group.
50 People who drink Milk
The Entire School
Everyone else at lunch
50 People who drink other beverages
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The study described in the following report is a randomized comparative experiment.
Determine the TREATMENT GROUP of the following scenerio:
At Ashland Middle School, fifty randomly chosen students were given milk at lunch every day for a year and fifty other randomly chosen students were given other beverages. At the end of the year, students in the "milk" group had 15% fewer cavities than students in the other group.
50 People who drink Milk
The Entire School
Everyone else at lunch
50 People who drink other beverages
6.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Determine whether the research topic is best addressed through an experiment or observational study.
Does listening to music with Airpods for more than an hour per day affect a person's hearing?
Experiment
Observational Study
7.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Determine if a researcher should use a survey, an experiment or an observational study for the following.
Choose 50 people at random. Ask which cold medicines they have taken in the past and how effective they were.
Observational Study
Survey
Experiment
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