Problem 32 of 7
Identify whether study compare lung cancer rates in smokers versus non-smokers using medical records is an experiment.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
recognize imposed treatments and response measurement.
Hidden until you reveal it.
Recognize imposed treatments and response measurement.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Look for imposed treatment or intervention.
2. Identify response measurement after treatment.
3. Classify as experiment if treatment is assigned.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Calling observational comparisons experiments.