Scientific research is most clearly expressed in the ___________, which investigates cause-and-effect relationships between two (or more) variables under controlled laboratory conditions.
Scientific research is most clearly expressed in the experiment, which investigates cause-and-effect relationships between two(or more) variables under controlled laboratory conditions.
Explanation:
An experiment includes different steps where research people will investigate the cause-and-effect by showing the outcomes which came when the particular factor got manipulate.
The function of an experiment is to validate the hypothesis. A hypothesis is an explanation which lacks established theory. A hypothesis is testing through research study and experiment.
An experiment can vary according to its scale and goal but it always relies on the logical analysis and of the results and repeatable trials.
