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RERF Glossary

Linear dose response

A linear dose response is a relationship between dose and biological response that is a straight line. In other words, the rate of change (slope) in the response is the same at any dose. A linear dose response is written mathematically as follows: if Y represents the expected, or average response and D represents dose, then

= aD

where a is the slope, also called the linear coefficient.

See also Dose response, Threshold dose, and Linear-quadratic dose response.