Question

How can scientists best confirm and validate the results of an experiment so they can publish their findings?

by removing the control from the experiment
by adding more variables to the experiment
by decreasing the number of trials
by creating a replicable experiment

Answer 1

By adding more variables to the experiment I think

Validity is when
the control variable the same
Instruction answers the aim
Correct equipments used

Answer 2

I think by adding more variables to the experiment.