Controlled variables – The variables that scientists keep the same during an experiment to make sure that a test is fair. Dependant variables – The variable that a scientist measures or observes.

The ability to design unconfounded experiments and make valid inferences from their outcomes is an essential skill in scientific reasoning. The present study addressed an important issue in scientific ...

Independent variable – the variable that is altered during a scientific experiment. Dependent variable – the variable being recorded or measured during a scientific investigation. Controlled ...