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Quality bias in price indices is a kind of mismeasurement if they do not incorporate data on the quality of goods from period to period, as well as their
Quality_bias
Inclination for or against
Bias is a disproportionate weight in favor of or against an idea or thing, usually in a way that is inaccurate, closed-minded, prejudicial, or unfair.
Bias
Tendency of scholars to cite journals with open access
element of bias into their search result". Authors of another study conclude that "the OA advantage is a quality advantage, rather than a quality bias", that
Open access citation advantage
Open_access_citation_advantage
Decision-making bias
The outcome bias is an error made in evaluating the quality of a decision when the outcome of that decision is already known. Specifically, the outcome
Outcome_bias
Substitution bias describes a possible bias in economic index numbers if they do not incorporate data on consumer expenditures switching from relatively
Substitution_bias
studied in psychology, sociology and behavioral economics. A memory bias is a cognitive bias that either enhances or impairs the recall of a memory (either
List_of_cognitive_biases
Ideological bias on Wikipedia has been the subject of both academic analysis and public discussion. The English Wikipedia has an internal policy which
Ideological_bias_on_Wikipedia
Bias confirming existing attitudes
Confirmation bias (also confirmatory bias, myside bias, or congeniality bias) is the tendency to search for, interpret, favor and recall information in
Confirmation_bias
Technological phenomenon with social implications
Algorithmic bias describes systematic and repeatable harmful tendency in a computerized sociotechnical system to create "unfair" outcomes, such as "privileging"
Algorithmic_bias
Bias in the sampling of a population
In statistics, sampling bias is a bias in which a sample is collected in such a way that some members of the intended population have a lower or higher
Sampling_bias
Background operating conditions for electronics
applied to the recording head, to improve the quality of the recording on the tape. This is called tape bias.[citation needed] Linear circuits involving
Biasing
Systematic pattern of deviation from norm or rationality in judgment
A cognitive bias is a systematic pattern of deviation from norm or rationality in judgment. Individuals create their own "subjective reality" from their
Cognitive_bias
Technique that improves the fidelity of analogue tape recorders
Tape bias is the term for two techniques, AC bias and DC bias, that improve the fidelity of analogue tape recorders. DC bias is the addition of direct
Tape_bias
Unreflected, mistaken attributions to and descriptions of social groups
An implicit bias or implicit stereotype is the pre-reflective attribution of particular qualities by an individual to a member of some social out group
Implicit_stereotype
English-language edition of Wikipedia
degree of commercial bias. It has been criticized for exhibiting systemic bias, particularly gender bias against women and ideological bias. While its reliability
English_Wikipedia
Cognitive bias
A status quo bias or default bias is a cognitive bias which results from a preference for the maintenance of one's existing state of affairs. The current
Status_quo_bias
Cognitive bias
as the distinction bias. For example, when televisions are displayed next to each other on the sales floor, the difference in quality between two very similar
Distinction_bias
Tendency to give more importance to negative experiences than positive ones
The negativity bias, also known as the negativity effect, is a cognitive bias that human cognition is relatively more affected by a negative affect than
Negativity_bias
Type of bias
Response bias is a general term for a wide range of tendencies for participants to respond inaccurately or falsely to questions. These biases are prevalent
Response_bias
Free online crowdsourced encyclopedia
systemic bias in editor demographic results in cultural bias, gender bias, and geographical bias on Wikipedia. There are two broad types of bias, which
Wikipedia
Higher probability of publishing results showing a significant finding
positive results. The study of publication bias is an important topic in metascience. Despite similar quality of execution and design, papers with statistically
Publication_bias
Bias arising from measurement error
epidemiology, information bias refers to bias arising from measurement error. Information bias is also referred to as observational bias and misclassification
Information bias (epidemiology)
Information_bias_(epidemiology)
Tendency to base judgments on an irrelevant anchor
results in a diminished quality in the decision-making process and consequently, amplifies the pre-existing anchored biases. The cause of group anchoring
Anchoring_effect
Statistical property
In statistics, the bias of an estimator (or bias function) is the difference between this estimator's expected value and the true value of the parameter
Bias_of_an_estimator
gender bias in coverage, and the make up of the editing community has prompted concerns about racial bias, spin bias, corporate bias, and national bias, among
Reliability_of_Wikipedia
Bias in behavioral sciences
Allegiance bias (or allegiance effect) in behavioral sciences is a bias resulted from the investigator's or researcher's allegiance to a specific party
Allegiance_bias
Mean amplitude of a waveform in the time domain
domain, the DC bias, DC component, DC offset, or DC coefficient is the mean value of the waveform. A waveform with zero mean or no DC bias is known as a
DC_bias
Tendency of a scientific study to support the interests of its funder
Funding bias, also known as sponsorship bias, funding outcome bias, funding publication bias, and funding effect, is a tendency of a scientific study to
Funding_bias
Bias towards a political side in supposedly-objective information
Political bias refers to the bias or manipulation of information to favor a particular political position, party, or candidate. Closely associated with
Political_bias
Statistic to indicate the change in typical household expenditure
price index (PCEPI) Producer price index (PPI) Retail Price Index (RPI) Quality bias RPIX World inflation crisis "Consumer price index (2010 = 100), World
Consumer_price_index
Phrase used in computer science
concept that flawed, biased or poor quality (garbage) information or input produces a result or output of similar ("garbage") quality. The saying points
Garbage_in,_garbage_out
Systematic errors made when people evaluate their own and others' behaviors
In psychology, an attribution bias or attributional errors is a cognitive bias that refers to the systematic errors made when people evaluate or try to
Attribution_bias
Bias of scholars allowing their beliefs to shape their research
Academic bias is the bias or perceived bias in academia shaping research and the scientific community. Academic bias can involve discrimination based
Academic_bias
Type of machine learning model
many contexts, and are a foundational technology behind modern chatbots. Biased or inaccurate training data can make an LLM's output less reliable. LLMs
Large_language_model
Psychological phenomenon
psychology, the fundamental attribution error is a cognitive attribution bias in which observers underemphasize situational and environmental factors for
Fundamental_attribution_error
State or quality by which an item stands out from its neighbors
impacting decision making, it is a bias which favors more salient information. Salience bias, like all other cognitive biases, is an applicable concept to various
Salience_(neuroscience)
Illness diagnosis, treatment and prevention based on data collection and analysis
have low risk of bias, or observational studies that have high risk of bias. In the case of randomized controlled trials, the quality of evidence is high
Evidence-based_medicine
Cognitive bias
The bias blind spot is the cognitive bias of recognizing the impact of biases on the judgment of others, while failing to see the impact of biases on one's
Bias_blind_spot
Type of bias
Participation bias or non-response bias is a phenomenon in which the results of studies, polls, etc. become non-representative because the participants
Participation_bias
Media favoring certain ideologies
The history of media bias in the United States has evolved from overtly partisan newspapers in the 18th and 19th centuries to professional journalism with
Media bias in the United States
Media_bias_in_the_United_States
Methods to improve tape performance by adjusting input bias
The frequency of the bias signal in consumer cassette decks is usually fixed at between 80 and 100 kHz. The quality of the bias signal is critical because
Adaptive_biasing
appraisal checklists help to appraise the quality of the study design and (for quantitative studies) the risk of bias. Critical appraisal tools for cross-sectional
Critical_appraisal
Tendency to remember pleasant things better
The Pollyanna principle (also called Pollyannaism or positivity bias) is the tendency for people to remember pleasant items more accurately than unpleasant
Pollyanna_principle
Form of scientific experiment
considered one of the highest-quality sources of evidence in evidence-based medicine, due to their ability to reduce selection bias and the influence of confounding
Randomized_controlled_trial
Tendency to remember one's choices as better than they actually were
Choice-supportive bias or post-purchase rationalization is the tendency to retroactively ascribe positive attributes to an option one has selected and/or
Choice-supportive_bias
Response bias exhibited by survey respondents
In social science research, social-desirability bias is a type of response bias that is the tendency of survey respondents to answer questions in a manner
Social-desirability_bias
American media watchdog organization
for media ratings". She compared low-quality news sources to junk food, and described sources with extreme bias as "very toxic and damaging to the country"
Ad_Fontes_Media
Statistical method that summarizes and/or integrates data from multiple sources
each study. There are more than 80 tools available to assess the quality and risk of bias in observational studies, reflecting the diversity of research
Meta-analysis
Cognitive bias of assuming others share your knowledge
knowledge, also called the curse of expertise or expert's curse, is a cognitive bias that occurs when a person who has specialized knowledge assumes that others
Curse_of_knowledge
Cognitive bias about one's own skill
The Dunning–Kruger effect is a cognitive bias that describes the systematic tendency of people with low ability in a specific area to give overly positive
Dunning–Kruger_effect
dispositional qualities in explaining a seemingly altruistic act. Further, while the moral nature of the behaviours with which correspondence bias concerns
Puritanical_bias
Exaggerated or false praise
set) may be considered to be "puff pieces", due to the actual or perceived bias of the reviewer: a review of a product, film, or event that is written by
Puffery
Former ISO and IEC standard
the well-known human biases that can adversely affect the delivery and perception of a software development project. These biases include changing priorities
ISO/IEC_9126
2025 British media row
In November 2025, the BBC was accused of systemic editorial bias, following the leaking of an internal memo by Michael Prescott, a former adviser to the
2025 BBC editorial bias allegations
2025_BBC_editorial_bias_allegations
Kind of cognitive bias
frequency illusion, also known as the Baader–Meinhof phenomenon, is a cognitive bias in which a person notices a specific concept, word, or product more frequently
Frequency_illusion
Psychological bias towards favoring members of one's in-group
In-group favoritism, sometimes known as in-group–out-group bias, in-group bias, intergroup bias, or in-group preference, is a pattern of favoring members
In-group_favoritism
Systematic study undertaken to increase knowledge
attentiveness to controlling sources of bias and error. These activities are characterized by accounting and controlling for biases. A research project may be an
Research
Economics between nation states
studies, although it has been suggested that the effect may be due to quality bias in the index numbers used or to the possession of market power by manufacturers
International_economics
resulting problems that may be encountered have been called the part-whole bias and sequencing and nesting (see below). One method of overcoming some aspects
Embedding_effect
American website
Media Bias/Fact Check (MBFC) is an American media watchdog website founded in 2015 by Dave M. Van Zandt. It considers four main categories and multiple
Media_Bias/Fact_Check
US government commission
substitution bias occurs when shifts to lower price outlets are not properly handled. Quality change bias occurs when improvements in the quality of products
Boskin_Commission
Predicting someone's future emotions (affect)
impact of biases in medical decisions provides a significant challenge. Research also indicates that affective forecasts about future quality of life are
Affective_forecasting
Cognitive bias modification (CBM) refers to procedures used in psychology that aim to directly change biases in cognitive processes, such as biased attention
Cognitive_bias_modification
The extrinsic incentives bias is an attributional bias according to which people attribute relatively more to "extrinsic incentives" (such as monetary
Extrinsic_incentives_bias
Software system for finding relevant information on the Web
Digital Divide: The Biases of Online Knowledge, Oxford: Chandos Publishing. Vaughan, Liwen; Mike Thelwall (2004). "Search engine coverage bias: evidence and
Search_engine
Comparison of expectation with performance
Service quality (SQ), in its contemporary conceptualisation, is a comparison of perceived expectations (E) of a service with perceived performance (P)
Service_quality
Study of health and disease within a population
cost-effective than cohort studies but are sensitive to bias (such as recall bias and selection bias). The main challenge is to identify the appropriate control
Epidemiology
Measures of observational error
cognitive augmentation. Bias–variance tradeoff in statistics and machine learning Accepted and experimental value Data quality Engineering tolerance Exactness
Accuracy_and_precision
Online encyclopedia operated by xAI
Grokipedia's content has focused on its accuracy and biases due to hallucinations and potential algorithmic bias, which reviewers have described as promoting
Grokipedia
Type of bias in public health research
White hat bias (WHB) is a purported "bias leading to the distortion of information in the service of what may be perceived to be righteous ends", which
White_hat_bias
Technique using a large language model as an evaluator
Verbosity, or length, bias is a tendency to prefer longer answers independently of quality. The same 2023 study that documented position bias found that, when
LLM-as-a-Judge
Cognitive bias of wrongly viewing yourself as unique
an attributional type of cognitive bias in social psychology that describes how people tend to view their qualities, traits, and personal attributes as
False-uniqueness_effect
American conservative online encyclopedia
Schlafly, son of Phyllis Schlafly, to counter what he perceived as a liberal bias on Wikipedia. It uses editorials and a wiki-based system for content generation
Conservapedia
Source bias is the tendency to select information sources to support a confirmation bias or negativity bias on a particular set of beliefs or values. Source
Source_bias
Tendency for positive impressions to contaminate other evaluations
judgments of performance or personality;" in other words, it is a cognitive bias that can prevent people from forming an image based on the sum of all circumstances
Halo_effect
Quality of a decision in the moment
uncertainties, biases, intangibles, and interdependencies, and the limits to the information are known. A wide variety of tools exist to improve the quality of the
Decision_quality
Characteristic of an image
images can bias their ratings. This can lead to higher quality scores for images that are more emotionally engaging, regardless of technical quality. This
Image_quality
Disproportionate favor towards the past
on personality, time, and developmental stage. Though it is a cognitive bias which distorts one's view of reality, it is suggested that rosy retrospection
Rosy_retrospection
Measure of quality of a stimulus or system
mathematical properties and biases. In general, there is an ongoing debate on the usefulness of the MOS to quantify Quality of Experience in a single scalar
Mean_opinion_score
2006 book by David Benatar
the quality of their lives due to a range of cognitive biases, many of which he considers to be evolutionarily ingrained. He cites the optimism bias, the
Better_Never_to_Have_Been
Procedure to assess the quality of clinical trials
greatly in quality. Methodological errors such as poor blinding or poor randomisation allow factors such as the placebo effect or selection bias to adversely
Jadad_scale
Bias in educational textbooks
Bias in curricula refers to real or perceived bias in curricula or textbooks. Biases may include minimizing wrongdoings conducted by the subject nation
Bias_in_curricula
Design and bias left-handed people
Bias against people who are left-handed includes handwriting, which is one of the biggest sources of disadvantage for left-handed people, other than for
Bias against left-handed people
Bias_against_left-handed_people
Examination of quality systems in a medical laboratory
External quality assessment (EQA), or external quality assessment schemes (EQAS), is an examination of the effectiveness of a laboratory's quality management
External_quality_assessment
Study with uncontrolled variable of interest
principles. (It would also suffer from various confounds and sources of bias, e.g. it would be impossible to conduct it as a blind experiment.) The published
Observational_study
Sensory evaluation tool
suggesting “happiness”. However, these faces may unintentionally create bias or confusion. For example, children may choose the ‘happy’ face because they
Hedonic_scale
Counter-principle to net neutrality
Net bias (or network bias) is the counter-principle to net neutrality, which indicates differentiation or discrimination of price and the quality of content
Net_bias
Attributional type of cognitive bias
psychology, the false consensus effect, also known as consensus bias, is a pervasive cognitive bias that causes people to overestimate the extent to which other
False_consensus_effect
Experience that feels good or is enjoyable
rationality. Cognitive biases in regard to pleasure include the peak–end rule, the focusing illusion, the nearness bias and the future bias. The peak–end rule
Pleasure
Bias in the reporting of information
In epidemiology, reporting bias is defined as "selective revealing or suppression of information" by subjects (for example about past medical history,
Reporting_bias
major types which differ in fundamental magnetic properties, the level of bias applied during recording, and the optimal time constant of replay equalization
Compact Cassette tape types and formulations
Compact_Cassette_tape_types_and_formulations
Technique for setting initial values of trainable parameters in a neural network
though this article is titled "weight initialization", both weights and biases are used in a neural network as trainable parameters, so this article describes
Weight_initialization
Generative AI chatbot by OpenAI
plausible-sounding but incorrect or nonsensical answers, known as hallucinations. Biases in its training data have been reflected in its responses. The chatbot can
ChatGPT
American entrepreneur (born 1981)
contributions to machine learning and as the CEO and co-founder of Weights & Biases, a company that builds developer tools for AI, that sold to CoreWeave in
Lukas_Biewald
Measurement of algorithmic bias
machine learning (ML) refers to the various attempts to correct algorithmic bias in automated decision processes based on ML models. Decisions made by such
Fairness_(machine_learning)
of methodical fact-checking, and its political bias. Concerns have also been raised about systemic bias along gender, racial, political, corporate, institutional
Criticism_of_Wikipedia
Large language model family by xAI
alternative to Wikipedia, which he described as "woke" and politically biased. Musk was one of the 11 co-founders of OpenAI, and initially co-chaired
Grok_(chatbot)
Price index using hedonic regression
disclosure from commercial sources, bias has also been enumerated annually over five decades, for the U.S.A. Quality adjustments are also important for
Hedonic_index
also often reproduce asexually. In the basidiomycetes, the sex ratio is biased towards males, implying sexual selection there. Male–male competition to
Sexual_selection_in_fungi
Photo storage service
Google Drive and Gmail. Users can upload their photos and videos in either quality setting, original or compressed (photos and videos up to 16 megapixels
Google_Photos
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