Question

A scientist performs an experiment. His results do not support his hypothesis. Which of these should the scientist do?

repeat the experiment and check for errors

change the observations to match the hypothesis

redo the experiment until the expected results are obtained

record and analyze the data after changing the hypothesis

Answer 1

He should repeat the experiment and check for any unknown errors. He should do that because he might have made an unknown mistake that could have messed up his outcome.

Answer 2

He should repeat the experiment and check for any unknown errors. He should do that because he might have made an unknown mistake that could have messed up his outcome.

Step-by-step explanation: