personal equation

American  

noun

1. the tendency to personal bias that accounts for variation in interpretation or approach and for which allowance must be made.

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personal equation British  

noun

1. the variation or error in observation or judgment caused by individual characteristics

2. the allowance made for such variation

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Etymology

Origin of personal equation

First recorded in 1835–45

Example Sentences

Relations between the U.S. and Europe are complicated by the personal equation.

From Time Magazine Archive

There are experimentalists, like Picasso, and those who, like Braque, discover their personal equation and go on repeating it.

From Time Magazine Archive

It must be the physician's business to find out in each individual case, according to his own personal equation, just how he may be able to use at least some of it.

From Psychotherapy by Walsh, James J. (James Joseph)

But I fear me greatly that this is idle; it is but the setting up of one personal equation over against another.

From Americanisms and Briticisms with other essays on other isms by Matthews, Brander

The fact is that, with Dean Hole as with many others, the personal equation is operative.

From The Best Psychic Stories by Various