Science Olympiad » Disease Detectives Event » National Event Exercises
Tiebreaker: Potential Health Hazards Associated with the Use of Cellular Telephones

	See Also... Introduction Problem Set 1 Problem Set 2 Tiebreaker Answer Key

(recommended time: 15 minutes)

In investigations such as these, which address the potential relation between cell phone usage and brain cancer or motor vehicle crashes, disease detectives use several criteria to draw conclusions about cause-and-effect relations. List four of these criteria in the table below. For each criterion that you list, first explain/define the criterion. Then indicate whether and how that criterion was addressed by the information presented in this Science Olympiad Disease Detectives Event for both brain cancer and motor vehicle crashes. (12 points)

1. Criterion 1
   
1. Criterion name and definition (1 point)
   
   
   
2. Discuss whether/how addressed in the brain cancer investigation (1 point)
   
   
   
3. Discuss whether/how addressed in the investigation of motor vehicle crashes (1 point)

2. Criterion 1
   
1. Criterion name and definition (1 point)
   
   
   
2. Discuss whether/how addressed in the brain cancer investigation (1 point)
   
   
   
3. Discuss whether/how addressed in the investigation of motor vehicle crashes (1 point)

3. Criterion 1
   
1. Criterion name and definition (1 point)
   
   
   
2. Discuss whether/how addressed in the brain cancer investigation (1 point)
   
   
   
3. Discuss whether/how addressed in the investigation of motor vehicle crashes (1 point)

4. Criterion 1
   
1. Criterion name and definition (1 point)
   
   
   
2. Discuss whether/how addressed in the brain cancer investigation (1 point)
   
   
   
3. Discuss whether/how addressed in the investigation of motor vehicle crashes (1 point)

Answer Key

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