1B How Science is Done

Front

What are the 6 (7?) steps of the scientific method?

Back

Observation, Question, Hypothesis, Prediction, Experiment/Test, Result/Conclusion, Communicate to others

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Dependent Variable

Back

the variable that may change in response to manipulations of the independent variable; outcome that is measured

Front

Independent Variable

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It is a variable that stands alone and isn't changed by the other variables you are trying to measure.

Front

controlled experiment

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An experiment in which an experimental group is compared with a control group that varies only in the factor being tested.

Front

experimental study

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research that manipulates a variable in a test group and compares the response to that of a control group that was not exposed to the same variable; can determine causation

Front

observational study

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observes individuals and measures variables of interest but does not attempt to influence the responses; can determine correlation but not causation

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variable

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part of an experiment that the experimenter can vary or change

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control

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part of an experiment that does not change during the experiment

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hypothesis

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suggested explanation for an observation, which one can test

Front

theory

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tested and confirmed explanation for observations or phenomena