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Hypothesis
An explanation for an observation
Characteristics of a good hypothesis
Is a statement, Can be tested though experimentation, Can be supported or refuted
Hypotheses are NEVER “proven true.”
True
Testable
A scientific experiment can be designed to gather data and “test” a hypothesis
Falsifiable
An experiment can be designed where data can both support AND reject a hypothesis
Two possible hypothesis
Experimental and Null hypotheses
Independent Variable
The variable that is different between control and test groups
Dependent Variable
The variable being measured. Changes in you measurements might depend on the independent variable
Constant Variable
Variables that you keep unchanged for ALL groups