Bias

Bias

In statistics and data analysis, bias signifies a systematic error that potentially impinges upon the precision and representativeness of data, estimates, or derived conclusions. Bias can insinuate itself at diverse phases of research or analysis - data collection, sampling, measurement, or interpretation - instigating outcomes that may be deceptive or imprecise.

Types of Bias

Bias manifests itself in an array of forms, encapsulating:
Selection bias: Selection bias emerges when a study's sample fails to reflect the broader population accurately, culminating in skewed results.
Measurement bias: This variant of bias springs from errors committed during data collection, measurement, or recording, engendering systematic discrepancies in the data.
Confirmation bias: As a cognitive bias, confirmation bias points to individuals' propensity to interpret, pursue, or recall information aligning with their pre-existing beliefs or expectations.
Response bias: Response bias transpires when study participants offer inaccurate or dishonest responses, deliberately or inadvertently, thus warping the study's conclusions.
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