Question

All BUT one action will help increase the accuracy of a scientific experiment. It is

A)increasing the number of trials.
B)decreasing the number of participants.


C)having several doctors do the same experiment.
D) practicing the procedures before doing the experiment.

Answer 1

B. Decreasing the sample size of an experiment decreases its accuracy.

Answer 2

Correct option is

B)decreasing the number of participants.

By decreasing the number of participants there are less chances of the experiments to provide false result and the accuracy of the experiment will increase, so option b is correct.