PROPORTIONALITY: Cognitive Bias

By Staff Reporters

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The proportionality bias, also known as major event/major cause heuristic, is the tendency to assume that big events have big causes. It is a type of cognitive bias and plays an important role in people’s tendency to accept conspiracy theories. Academic psychologist Rob Brotherton summarized it as “When something big happens, we tend to assume that something big must have caused it”.

IOW: Proportionality Bias is the inclination to believe that the magnitude of an event’s cause must be proportional to the event’s outcome. It’s like thinking a huge disaster must have a huge cause. This bias simplifies our understanding of complex situations but often leads to misconceptions. In reality, small causes can have large effects, and vice versa.

Related: https://medicalexecutivepost.com/2022/09/09/accuracy-versus-precision/

And so, to overcome proportionality bias according to colleague Dan Ariely Phd, consider all possible explanations, regardless of their size. Remember: sometimes big things happen for small reasons.

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Accuracy versus Precision?

YES – There is a Difference

[By staff reporters]

ACCURACY Defined

The degree to which a measurement, or an estimate based on measurements, represents the true value of the attribute being measured. In the laboratory, accuracy of a test is determined when possible by comparing results from the test in question with results generated using reference standards or an established reference method.

PRECISION Defined

Precision is a description of random errors, a measure of statistical variability. It refers to the closeness of two or more measurements to each other.

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ACCUAACY versus PRECISION

Both accuracy and precision reflect how close a measurement is to an actual value, but accuracy reflects how close a measurement is to a known or accepted value, while precision reflects how reproducible measurements are, even if they are far from the accepted value.

MORE: https://www.thoughtco.com/difference-between-accuracy-and-precision-609328

Assessment: Your thoughts are appreciated

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