attempts tp explain the process behind the observation(fact).
Confirms of refines the hypothesis and adds additional observations. Testing information can disprove the hypothesis but can never prove it.
The study of disease related data from real life.
An explaination for observations and experimental evidence of natural phenomenon.
Framework in which to consider ideas and evidence in a way that can be repeated with the same results.
Make observation from natural phenomenon
Formulate a hypothesis
Design a controlled experiment
Draw a Conclusion
Makes Data as valid as posible
The normal group that provides the basis for comparison in an experiment.
a single factor that is the actual cause of the observed effect
an inert substance used as an experimental control; presents the control group with the same overall experience.
Double Blind Tests
Neither researchers nor the participants know who received the substance being evaluated and who received the placebo.