In order to conduct a valid experiment,you must first manipulate a(n)_____ variable and then measure _____ variable.
A)independent;a dependent
B)dependent;an independent
C)independent;the same
D)dependent;the same

Question

Quizplus · Accepted Answer

In order to determine cause and effect relationships through experimentation, a researcher must manipulate the independent variable, which will subsequently have an effect on the dependent variable. The dependent variable then needs to be measured to determine the extent to which the independent variable had an effect. Therefore, option A is the correct answer.

In Order to Conduct a Valid Experiment,you Must First Manipulate