Scientific method and variables review

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What is qualitative data?

Back

Qualitative data is non-numerical data that describes characteristics or qualities.

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What is quantitative data?

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Quantitative data is numerical data that can be measured and expressed mathematically.

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Can the question 'Are roses prettier flowers than tulips?' be tested scientifically?

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No, this question is subjective and cannot be tested.

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What are hypotheses tested through?

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Hypotheses can be tested through experiments and observations.

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What is an independent variable?

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The independent variable is the variable that the investigator deliberately changes to observe its effect.

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What is a dependent variable?

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The dependent variable is the variable that is measured in an experiment to see how it is affected by changes in the independent variable.

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What is a constant variable?

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A constant variable is a factor that remains unchanged throughout an experiment to ensure that the test results are valid.

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What is the correct formula to write a hypothesis?

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If the independent variable is (pick a level of IV), then the dependent variable will (take a guess).

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What is the purpose of a control group in an experiment?

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The control group is used as a standard for comparison to determine the effect of the independent variable.

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What is the scientific method?

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The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.