The Scientific Method
A process of investigation in which problems are identified and their suggested explanations are tested by carrying out experiments
Theory
An explanation based on repeated hypotheses and experimentation
Principal/Law
Arises from a theory when it is seen always to be true under all conditions over a long period of time
Control
Comparison
Double Blind
Both investigator and participant are unaware of the nature of the treatment the participant is receiving
Biology
Study of living things