In science, a variable is any factor, trait, or condition that can exist in differing amounts or types. Scientists try to figure out how the natural world works.To do this they use experiments to search for …

In the process of doing research we usually collect data on many variables. We may collect data on people’s weekly income, their age, health levels, how much TV they watch, and a myriad number of …

Categorical variables: Variables which should not be treated like numbers (as in mathematics), and whose values come from a list of possibilities. Nominal variable: A categorical variable where the …

Active and Attribute variables: Based on the distinction between measured and experimental variables, a categorization of variables is developed that will be helpful in the study of research design.

When it comes to conducting a scientific experiment there are three components that are very important. They are variables, constants, and controls. Let’s take a look at each: Variables – These are the …

Scientists use an experiment to search for cause and effect. There are many items that could be altered to test the reaction of another. These changing quantities are called variables. A variable is any …

Variables We are learning to identify the dependent, independent and controlled variables in an experiment. Variable - anything you can change in an experiment that might affect the outcome. …