Positive Outcome Bias (other)
Positive outcome bias may refer to: * Publication bias In published academic research, publication bias occurs when the outcome of an experiment or research study biases the decision to publish or otherwise distribute it. Publishing only results that show a significant finding disturbs the balance o ..., the tendency for researchers to publish research which had a positive outcome. "Positive" in this sense means "eventful" as opposed to "uneventful" * Unrealistic optimism, a bias in prediction in which people overestimate the probability of good things happening to them. "Positive" in this sense means "good" as opposed to "bad" feelings {{disambig ...
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Publication Bias
In published academic research, publication bias occurs when the outcome of an experiment or research study biases the decision to publish or otherwise distribute it. Publishing only results that show a significant finding disturbs the balance of findings in favor of positive results. The study of publication bias is an important topic in metascience. Despite similar quality of execution and design, papers with statistically significant results are three times more likely to be published than those with null results. This unduly motivates researchers to manipulate their practices to ensure statistically significant results, such as by data dredging. Many factors contribute to publication bias. For instance, once a scientific finding is well established, it may become newsworthy to publish reliable papers that fail to reject the null hypothesis. Most commonly, investigators simply decline to submit results, leading to non-response bias. Investigators may also assume they made a ...
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