Research Methods Chapter 2. The Scientific Approach. Assumes that events are governed by some lawful order. Scientific enterprise is based on the belief that there are consistencies or laws that can be uncovered. . Goals of Scientific Enterprise.
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Hypotheses are predictions that are made and tested to evaluate understanding.
Manipulations and control often make experiments artificial.
Practical realities and ethical concerns make it impossible to conduct experiments on many issues.
Correlation and Prediction
As a correlation increases in strength, the ability to predict on variable based on knowledge of the other variable increases.
Prediction- the stronger the correlation, the better one can predict.
Causation- correlation is not equivalent to causation.
Can not demonstrate that two variables are causally related.