[Physics Lab] After reading an science article and replying a few questions.

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Yla_fha

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Now answer the following questions:

1. What was Dr. Semmelweis’ first step in his quest for a way to reduce the large postpartum rate?

2. What observations did Dr. Semmelweis conduct? Were they qualitative or quantitative?

3. Did Dr. Semmelweis find any patterns?

4. How did Dr. Semmelweis explain his observations?

5. How did he check the correctness of his explanation?

6. What did Dr. Semmelweis’ hypothesis predict that would happen if medical students would wash their hands with a chlorinated lime solution before helping deliver babies?

7. What outcome of the experiment would have ruled out Semmelweis’ explanation?

8. The passage describes an example of the process of constructing new scientific knowledge. You learned about this cyclical process in the first activity in lab 1 and have been practicing it in lab every week since. Re-read the passage and identify as many elements of the process as you can.

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1. What was Dr. Semmelweis’ first step in his quest for a way to reduce the large postpartum
rate?
Answer:
He tabulated the deliveries and deaths by month and year in each of the clinics.
2. What observations did Dr. Semmelweis conduct? Were they qualitative or quantitative?
Answer:
Quantitative: The observation that Dr. Semmelweis did is a quantitative. Death rate in second
clinic where midwife did the deliveries was only one-third of the first clinic where medical
students trained.
Qualitative: He became increasing mindful of the n...

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