Blending (statistics)

In statistical test planning, confusion means that the effects observed in the test actually represent the sum of several effects and therefore cannot be clearly interpreted in the evaluation.

The confusion of effects is a result of the use of partial factor plans . If partial factor plans are used, for example by assigning a trial factor to each column of an orthogonal field , the effects of the trial factors will not be present with one another, but will be mixed with interaction effects .