A student hypothesized that drinking tea would cause an increase in pulse rate. He measured his pulse
20 minutes after drinking a glass of tea. It was 86 beats per minute. State one error in the experiment.

Question

08-06-2015
Biology

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A student hypothesized that drinking tea would cause an increase in pulse rate. He measured his pulse
20 minutes after drinking a glass of tea. It was 86 beats per minute. State one error in the experiment.

Sagot :

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Kattay Kattay · Answer 1 · 2015-06-08T15:30:05-04:00

Kattay Kattay

08-06-2015

The error is that the student didn't check his pulse before drinking tea to compare to, he can't prove something if he doesn't have anything to compare it to

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A student hypothesized that drinking tea would cause an increase in pulse rate. He measured his pulse 20 minutes after drinking a glass of tea. It was 86 beats per minute. State one error in the experiment.

Sagot :

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A student hypothesized that drinking tea would cause an increase in pulse rate. He measured his pulse
20 minutes after drinking a glass of tea. It was 86 beats per minute. State one error in the experiment.