Get null hypothesis examples. Learn the difference between the null hypothesis and alternative hypothesis.

# Scientific Method

Get the definition of a confounding variables. See examples of confounding variable and learn why correlation is not causation.

## What Is a Confounding Variable? Definition and Examples

A control variable is any factor that is controlled or held constant in an experiment.

## What Is a Control Variable? Definition and Examples

The independent and dependent variables are key to any scientific experiment, but how do you tell them apart? Here are the definitions of independent and dependent variables, examples of each type, and tips for telling them apart and graphing them. Independent Variable The independent variable is the factor the researcher […]

## Independent and Dependent Variables Examples

The independent and dependent variables are the two main types of variables in a science experiment. A variable is anything you can observe, measure, and record. This includes measurements, colors, sounds, presence or absence of an event, etc. The independent variable is changed to test its effects on the dependent […]

## Difference Between Independent and Dependent Variables

The dependent variable is the variable that is studied and measured in response to changes in the independent variable. In other words, it depends on the independent variable. It is also known as the responding variable or measured variable. Dependent Variable Examples For example, say you want to know whether […]