Experimental Design

Front

What is Experimental Design?

Back

Experimental design is the process of planning an experiment to ensure that it can effectively test a hypothesis. It involves identifying variables, controls, and the overall structure of the experiment.

Front

What is a dependent variable?

Back

The dependent variable is the variable that is observed and measured in an experiment. It changes in response to the independent variable.

Front

What is an independent variable?

Back

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

Front

What are constants in an experiment?

Back

Constants are the factors that remain the same throughout an experiment to ensure that the results are due to the independent variable.

Front

What is a control group?

Back

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

Front

What is a hypothesis?

Back

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

Front

What is the purpose of a scientific experiment?

Back

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

Front

How does one identify the independent variable in an experiment?

Back

The independent variable is identified as the factor that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What is the significance of replication in experiments?

Back

Replication is important in experiments to ensure that results are consistent and reliable. It helps to confirm that findings are not due to chance.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data is descriptive and involves characteristics that can be observed but not measured, while quantitative data involves numerical measurements and can be counted or measured.