Experimental Design

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What is Experimental Design?

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Experimental design is the process of planning an experiment to ensure that it can effectively test a hypothesis. It involves selecting variables, determining how to measure them, and deciding how to control for other factors.

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What is a dependent variable?

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The dependent variable is the outcome or response that is measured in an experiment. It is affected by changes in the independent variable.

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What is an independent variable?

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

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What is a control group?

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A control group is a standard of comparison in an experiment. It is not exposed to the independent variable and is used to validate the results of the experimental group.

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What is a hypothesis?

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A hypothesis is a testable prediction about the relationship between two or more variables in an experiment.

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What is the purpose of a scientific experiment?

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The purpose of a scientific experiment is to test a hypothesis by collecting data and analyzing the results to draw conclusions.

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What is a variable in an experiment?

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A variable is any factor, trait, or condition that can exist in differing amounts or types in an experiment.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities (e.g., color, texture), while quantitative data involves numerical measurements (e.g., height, weight).

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What is replication in an experiment?

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Replication is the repetition of an experiment to confirm the results and ensure reliability.

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What is a scientific method?

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The scientific method is a systematic approach to inquiry that involves making observations, forming a hypothesis, conducting experiments, and drawing conclusions.