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The persuasiveness of anecdotal evidence compared to that of statistical evidence has been a subject of debate; some studies have argued for the presence a generalized tendency to overvalue anecdotal evidence, whereas others have emphasized the types of argument as a prerequisite or rejected the conclusion altogether.
Anecdotal evidence can guide individual decision-making but extraordinary anecdotes are more likely to be reported, such as for claimed effectiveness of alternative medicine. Small sample sizes from normal distributions can only measure large effect sizes. Biased samples can be reweighted to be representative, but polls are often not reweighted.
The persuasiveness of anecdotal evidence compared to that of statistical evidence has been a subject of debate; some studies have argued for the presence a generalized tendency to overvalue anecdotal evidence, whereas others have emphasized the types of argument as a prerequisite or rejected the conclusion altogether.
Anecdotal evidence is an informal account of evidence in the form of an anecdote. The term is often used in contrast to scientific evidence, as evidence that cannot be investigated using the scientific method. The problem with arguing based on anecdotal evidence is that anecdotal evidence is not necessarily typical; only statistical evidence ...
An anecdotal generalization is a type of inductive argument in which a conclusion about a population is inferred using a non-statistical sample. [8] In other words, the generalization is based on anecdotal evidence. For example: So far, this year his son's Little League team has won 6 of 10 games.
While anecdotal evidence is typically unscientific, in the last several decades the evaluation of anecdotes has received sustained academic scrutiny from economists and scholars such as Felix Salmon, [1] S. G. Checkland (on David Ricardo), Steven Novella, R. Charleton, Hollis Robbins, [2] Kwamena Kwansah-Aidoo, and others. These academics seek ...
For example, anecdotal evidence from a friend about how to treat a certain disease constitutes empirical evidence that this treatment works but would not be considered scientific evidence. [ 38 ] [ 39 ] Others have argued that the traditional empiricist definition of empirical evidence as perceptual evidence is too narrow for much of scientific ...
In addition, while the combination of "convincing anecdotal and statistical evidence is potent," [7] anecdotal evidence, by itself, will rarely suffice to justify an affirmative action program evaluated under strict scrutiny. [8]