Blog

What Is the Best Definition of an Independent Variable?

An independent variable is the factor a researcher changes or compares to see how it affects an outcome.

Directional selection occurs when one extreme version of a trait is favored, shifting a population in that direction over time.

Genetic determinism is the belief that genes alone or primarily determine traits, behavior, health, or destiny.

Marginal benefit is the extra value or satisfaction gained from one additional unit of a good, service, or activity.

Marginal cost is the extra cost of producing, buying, or choosing one additional unit.

Marginal revenue is the extra revenue a business earns from selling one additional unit of a product or service.

Profit is the money left after subtracting costs from revenue, but understanding it well means knowing which costs are included.

Situational irony happens when the actual result of a situation sharply contrasts with what a reader or audience reasonably expects.

Capacity for a cosigner means the financial ability to repay the loan if the primary borrower does not.