Public review preview. Candidate definitions have not yet been read by the two reviewers. Each entry shows its review status.
research methods

Judged: two independent readers; copy check clear.

linear relationship

linear relationship A linear relationship is a pattern between two variables in which the points on a scatterplot follow a straight-line trend.

A linear relationship is a pattern between two variables in which the points on a scatterplot follow a straight-line trend. It can still be considered linear when points do not fall exactly on the line, as long as their departures are random rather than showing a systematic pattern.