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What is an observational study?

Back

An observational study is a research method where the researcher observes and records behavior without manipulating any variables.

Tags

CCSS.HSS.IC.B.3

Front

What is an experiment?

Back

An experiment is a research method where the researcher imposes a treatment or intervention to observe its effects on a dependent variable.

Front

What is the main difference between observational studies and experiments?

Back

The main difference is that experiments involve imposing a treatment, while observational studies do not.

Front

What is a control group?

Back

A control group is a group in an experiment that does not receive the treatment and is used as a baseline for comparison.

Front

What are constants in an experiment?

Back

Constants are the parts of an experiment that must be kept the same to ensure that the results are valid.

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Why is random assignment important in experiments?

Back

Random assignment is important because it helps reduce bias and ensures that the groups are comparable.

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What is a dependent variable?

Back

The dependent variable is the outcome that is measured in an experiment, which is affected by the independent variable.

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What is an independent variable?

Back

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 hypothesis?

Back

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

Tags

CCSS.RI.11-12.3

CCSS.RI.11-12.5

CCSS.RI.8.3

CCSS.RI.9-10.3

CCSS.RI.9-10.5

Front

What is the purpose of a case study?

Back

A case study is an in-depth analysis of a single subject or group to explore complex issues in real-life contexts.