Experimental Design

An independent variable is the factor in an experiment that is changed or controlled to test its effects on the dependent variable.

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

A control group is used as a standard for comparison to determine the effect of the independent variable.

Only one variable should be changed at a time to ensure that the results are due to that variable.

A hypothesis is a testable prediction about the relationship between the independent and dependent variables.

Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.

Replicating an experiment helps to verify results and ensure that they are reliable and not due to chance.

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

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

A conclusion is a summary of the results of an experiment, explaining whether the hypothesis was supported or not.