experimental groups

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What is an experimental group?

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An experimental group is a group in an experiment that receives the treatment or intervention being tested.

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What is a control group?

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A control group is a group in an experiment that does not receive the treatment or intervention, used as a benchmark to measure how the other group is affected.

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What is a constant variable?

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

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What is a hypothesis?

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A hypothesis is a testable statement or prediction about the relationship between two or more variables.

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What is a quantitative observation?

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A quantitative observation is a measurement that includes a number, such as 'There are 5 apples'.

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What is a qualitative observation?

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A qualitative observation describes characteristics or qualities that cannot be measured with numbers, such as 'The apples are red'.

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What is the purpose of an experiment?

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The purpose of an experiment is to test a hypothesis by manipulating one variable and observing the effect on another variable.

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What is the independent variable?

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The independent variable is the factor that is changed or manipulated in an experiment to observe its effects.

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What is the dependent variable?

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The dependent variable is the factor that is measured or observed in an experiment, which is affected by 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.