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 …

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 …

Dichotomous Variables variables are those that have only two responses. While these variables might technically be considered nominal (since one either places in the category or not), they are often …

A distinction can be drawn between naturally and artificially discrete variables (e.g., the male/female dichotomy of sex is natural, while the young/old dichotomy of age is artificial)

Use meaningful names for variables, for example, use the name “age” to store the age of a person.

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 …

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. …