Experimental Design Review

Front

What is an independent variable?

Back

The variable in an experiment that is deliberately changed by the scientist.

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What is a dependent variable?

Back

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

Front

What is a control group?

Back

A group in an experiment that does not receive the treatment and is used as a benchmark to measure how the other tested subjects do.

Front

What is an inference?

Back

A logical conclusion drawn from observations.

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What is the purpose of an experiment?

Back

To test a hypothesis by manipulating variables and observing the outcomes.

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What is a hypothesis?

Back

A testable prediction about the relationship between two or more variables.

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What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numbers and measurements.

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What is the scientific method?

Back

A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

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What does it mean to control variables in an experiment?

Back

To keep all variables constant except for the independent variable to ensure that any changes in the dependent variable are due to the independent variable.

Front

What is a variable in an experiment?

Back

Any factor, trait, or condition that can exist in differing amounts or types.