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

Biology

Robert Fletcher

23 April, 09:45

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.

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Aisha Durham · Answer 1

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

A student hypothesized that drinking tea would cause an increase in pulse rate. He measured his pulse20 minutes after drinking a glass of tea. It was 86 beats per minute. State one error in the experiment.

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.