Scientific Method and Life Sciences

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What are the parts of the scientific method?

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Observations, Ask Question, form hypothesis, make predictions, design experiment, collect and interpret data, draw conclusions.

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What is a hypothesis?

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A tentative explanation for one or more observations. It must be testable, allowing data collection to support or reject it.

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How is a scientific theory defined?

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A well-substantiated explanation of some aspect of the natural world, based on evidence gathered through experimentation. It is not just a guess but a reliable framework for understanding the world.

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What is an observation in scientific terms?

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The act of carefully observing and monitoring data throughout an experiment.

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What is subject expectation or placebo effect?

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Subjects alter their behavior based on beliefs or expectations of what the experiment is designed to achieve.

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What is observer bias?

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Researchers influence or interpret the results based on their beliefs or desires about the experiment.

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What is a double-blind experiment?

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An experiment where both participants and researchers don’t know who receives the treatment.

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What are controlled variables?

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Variables that are unchanging across all trials.

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What is an independent variable?

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The factor that is manipulated in an experiment.

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What is a dependent variable?

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What the investigation measures to determine results.