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Tytuł:
Cognitive effects of attentional training depend on attentional control
Autorzy:
Paulewicz, Borysław
Blaut, Agata
Kłosowska, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/430593.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
attentional bias
anxiety
attentional control
cognitive bias modification
Opis:
Attentional bias is assumed to be partly responsible for the onset and maintenance of anxiety by major cognitive theories of emotional disorders. Although much is already known about the therapeutic effects of attentional bias training, only a few studies have examined the mechanism responsible for these effects. In order to test if low-level, cognitive effects of attentional bias training depend on attentional control, 73 participants, who completed the STAI-x2 and the ACS questionnaires, were randomly assigned to a control (n = 37) or attentional training group (n = 36). The attentional manipulation was followed by a search task, during which novel neutral or negative faces could be presented within an array of all-neutral, all-negative or all-positive faces. It was found that individuals with higher ACS score displayed stronger attentional training effects, i.e., they were less accurate in detecting distinctive negative faces, and this effect was not found to be associated with STAI-x2 score. These results show that there is individual variability even in immediate, cognitive effects of attentional bias modifi cation and that special abilities, such as attentional control, might be required for attentional training to be effi cient.
Źródło:
Polish Psychological Bulletin; 2012, 43, 4; 272-277
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Memory bias training by means of the emotional short-term memory task
Autorzy:
Paulewicz, Borysław
Blaut, Agata
Gronostaj, Aleksandra
Powiązania:
https://bibliotekanauki.pl/articles/430368.pdf
Data publikacji:
2015-03-01
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
memory bias
mood congruent memory
depression
cognitive bias modification
Opis:
According to major cognitive theories of emotional disorders cognitive biases are partly responsible for their onset and maintenance. The direct test of this assumption is possible only if experimental method capable of altering a given form of cognitive bias is available. The purpose of the study was to examine the effectiveness of a novel implicit memory bias training procedure based on the emotional version of the classical Sternberg’s short-term memory task with negative, neutral and positive words. 108 participants, who completed the PANAS and the CES-D questionnaires, were randomly assigned to the control group (n = 33), the No-Negative group (n = 36), in which the target words in the Sternberg’s task were either positive or neutral but never negative or the Negative-New group (n = 39) in which the negative target words in the modified Sternberg’s task were always new. This training was followed by the recollection stage. Only one of the training protocols resulted in significant effects at the recall stage - individuals in the No-Negative group recalled more positive words and fewer negative words than those in the control group. These results show that it may be possible to experimentally induce memory bias characteristic of non-depressed individuals.
Źródło:
Polish Psychological Bulletin; 2015, 46, 1; 122-126
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nonresponse Bias in The Survey of Youth Understanding of Science and Technology in Bogotá
Autorzy:
Castellanos, Edgar Mauricio Bueno
Powiązania:
https://bibliotekanauki.pl/articles/466054.pdf
Data publikacji:
2012
Wydawca:
Główny Urząd Statystyczny
Tematy:
Sampling design
nonresponse bias
calibration
Opis:
The Colombian Observatory of Science and Technology -OCyT- developed, in 2009, a survey about understanding of Science and Technology in students of high school in Bogotá, Colombia. The sampling design was stratified according to the nature of school (public or private). Two sources of unit nonresponse were detected. The first one corresponds to schools that did not allowed to collect information. The second source corresponds to students who did not assist during the days when survey was applied. Estimates were obtained through two different approaches. Results obtained in both cases do not show visible differences when estimating ratios; even though, some great differences were observed when estimating totals. Results obtained using the second approach are believed to be more reliable because of the methodology used to handle item nonresponse.
Źródło:
Statistics in Transition new series; 2012, 13, 1; 79-94
1234-7655
Pojawia się w:
Statistics in Transition new series
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Unawareness of Self-interest Bias in Moral Judgments of Others’ Behavior
Autorzy:
Bocian, Konrad
Wojciszke, Bogdan
Powiązania:
https://bibliotekanauki.pl/articles/951959.pdf
Data publikacji:
2014-12-01
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
self-interest
moral judgment
egotistic bias
Opis:
Previous studies (Bocian & Wojciszke, 2014) showed that self-interest biases moral perception of others’ unethical actions. Moreover, affective changes in attitudinal responses towards the perpetrator of an immoral act drives the bias. In the present studies, we attempted to answer the question whether people are aware of the self-interest bias in their judgments of others’ behavior. We conducted two experiments showing that moral judgments of verbally described and imagined actions were dominated by norms rather than self-interest (Study 1) and that people were not aware that self-interest distorted their moral judgment (Study 2). The unawareness of the self-interest bias among the participants was attributable to omission of their own emotional responses when forecasting their moral judgments. We discuss the importance of emotions presence in studies on moral judgments as well as contribution of the present research to the intuitionist approach to moral judgment.
Źródło:
Polish Psychological Bulletin; 2014, 45, 4; 411-417
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Approximate bias for first-order autoregressive model with uniform innovations. Small sample case
Autorzy:
Nouali, Karima
Fellag, Hocine
Powiązania:
https://bibliotekanauki.pl/articles/729836.pdf
Data publikacji:
2002
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
autoregressive model
bias
outlier
uniform distribution
Opis:
The first-order autoregressive model with uniform innovations is considered. The approximate bias of the maximum likelihood estimator (MLE) of the parameter is obtained. Also, a formula for the approximate bias is given when a single outlier occurs at a specified time with a known amplitude. Simulation procedures confirm that our formulas are suitable. A small sample case is considered only.
Źródło:
Discussiones Mathematicae Probability and Statistics; 2002, 22, 1-2; 15-26
1509-9423
Pojawia się w:
Discussiones Mathematicae Probability and Statistics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Two methods to mitigate insar-based dems vegetation impenetrability bias
Autorzy:
Tulski, Sławomir
Bęcek, Kazimierz
Powiązania:
https://bibliotekanauki.pl/articles/2029253.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Rolniczy im. Hugona Kołłątaja w Krakowie
Tematy:
SRTM
vegetation bias
impenetrability
ICESat
GTHM
Opis:
Digital elevation models (DEM), including the Shuttle Radar Topography Mission (SRTM), are used in many branches of geoscience as an ultimate dataset representing our planet’s surface, making it possible to investigate processes that are shaping our world. The SRTM model exhibits elevation bias or systematic error over forests and vegetated areas due to the microwaves’ peculiar properties that penetrate the vegetation layer to a certain depth. Numerous investigations identified that the penetration depth depends on the forest density and height. In this contribution, two methods are proposed to remove the impact of the vegetation impenetrability effect. The first method is founded on the multiple regression of two forest characteristics, namely forest height and forest density. The second method uses a lookup table approach. The lookup table and the multiple regression explanatory variables are taken from the freely available datasets, including the forest density data (MODIS_VCF) and global tree height map (GTHM). An important role in this research is played by the Ice, Clouds, and Land Elevation Satellite (ICESat) data. The accuracy tests indicate that the first method eliminates approximately 68% of the elevation bias, while the second method appears to be more effective, leading to almost complete removal of the vegetation bias from the SRTM data. The methods are fine-tuned to the local coniferous forests in Poland. Additional studies are required to finetune the methods for the leaf-off state of deciduous forests. However, a new set of parameters for both methods can be quickly developed for different locations and forest types. Both methods’ functionality and effectiveness can be improved once more accurate forest tree height and vegetation density data become available. These methods are universal in mitigating the vegetation bias from the Synthetic Aperture Radar Interferometry (InSAR) derived model and photogrammetric models.
Źródło:
Geomatics, Landmanagement and Landscape; 2021, 2; 7-21
2300-1496
Pojawia się w:
Geomatics, Landmanagement and Landscape
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Towards explainable classifiers using the counterfactual approach : global explanations for discovering bias in data
Autorzy:
Mikołajczyk, Agnieszka
Grochowski, Michał
Kwasigroch, Arkadiusz
Powiązania:
https://bibliotekanauki.pl/articles/2031144.pdf
Data publikacji:
2021
Wydawca:
Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
Tematy:
explainable classifiers
counterfactual approach
bias detection
Opis:
The paper proposes summarized attribution-based post-hoc explanations for the detection and identification of bias in data. A global explanation is proposed, and a step-by-step framework on how to detect and test bias is introduced. Since removing unwanted bias is often a complicated and tremendous task, it is automatically inserted, instead. Then, the bias is evaluated with the proposed counterfactual approach. The obtained results are validated on a sample skin lesion dataset. Using the proposed method, a number of possible bias-causing artifacts are successfully identified and confirmed in dermoscopy images. In particular, it is confirmed that black frames have a strong influence on Convolutional Neural Network’s prediction: 22% of them changed the prediction from benign to malignant.
Źródło:
Journal of Artificial Intelligence and Soft Computing Research; 2021, 11, 1; 51-67
2083-2567
2449-6499
Pojawia się w:
Journal of Artificial Intelligence and Soft Computing Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hypothetical bias and framing effect in the valuation of private consumer goods
Autorzy:
Brzozowicz, Magdalena
Powiązania:
https://bibliotekanauki.pl/articles/1356848.pdf
Data publikacji:
2019-10-13
Wydawca:
Uniwersytet Warszawski. Wydział Nauk Ekonomicznych
Tematy:
framing effect
hypothetical bias
laboratory experiment
Opis:
In a laboratory experiment, I examined two behavioural effects: hypothetical bias and the framing effect. I elicited willingness to pay (WTP) for a cosmetic product, and manipulated framing conditions (positive vs. negative attribute framing) and incentives to reveal the actual valuation (hypothetical vs. real). I demonstrated that hypothetical bias has a significant impact on WTP values; however, the framing effect has no effect on the valuation of the product. Similarly, I found no interaction between the two effects. This observation contributes to claims that hypothetical research methods lead to equally reliable data as those based on consequential choices.
Źródło:
Central European Economic Journal; 2018, 5, 52; 260 - 269
2543-6821
Pojawia się w:
Central European Economic Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Critical Discourse Analysis of RT news headlines on Venezuela’s post-coup crisis in 2019-2020
Autorzy:
Matselyukh, Ihor
Powiązania:
https://bibliotekanauki.pl/articles/40223383.pdf
Data publikacji:
2023
Wydawca:
Katolicki Uniwersytet Lubelski Jana Pawła II
Tematy:
CDA
headlines
presuppositions
implicatures
agency
bias
Opis:
This article researches the biased content of the propagandistic channel RT through the prism of Critical Discourse Analysis (CDA). It attempts to uncover the linguistic means of creating biased content in RT headlines that cover the Venezuela’s post-coup crisis of 2019-2020. It offers a CDA approach to the systemic bias in the headlines of 375 news stories featured on one of the most tendentious webcasters, the Russian state news provider RT. The current CDA focuses on presuppositions and implicatures, back- and fore-grounding, agency, lexis, punctuation, and briefly on other figurative linguistic means in the headlines and traces their relative recurrence that might form a pattern.
Źródło:
Linguistics Beyond and Within; 2023, 9; 95-111
2450-5188
Pojawia się w:
Linguistics Beyond and Within
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Od pierwotnej oralności do wtórnej piśmienności w epoce dominacji internetowego biasu
Autorzy:
Szpunar, Magdalena
Powiązania:
https://bibliotekanauki.pl/articles/643297.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
kultura oralna, kultura pisma, technologia definiująca, bias
Opis:
From primary orality to secondary literacy in the era of the dominance of Internet biasScientists tend to overestimate writing as the primary form of language, while the oral communication is the primary form of the whole communication. The purpose of this article is to draw attention to the crucial role of technologies such as writing in the thought processes and evolution of culture.
Źródło:
Zeszyty Prasoznawcze; 2014, 57, 4
0555-0025
2084-3836
Pojawia się w:
Zeszyty Prasoznawcze
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Non-random base composition in codons of mitochondrial cytochrome b gene in vertebrates.
Autorzy:
Prusak, Beata
Grzybowski, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/1041499.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
structure-function relationships
compositional bias
cytochrome b
Opis:
Cytochrome b is the central catalytic subunit of the quinol:cytochrome c oxidoreductase of complex III of the mitochondrial oxidative phosphorylation system and is essential to the viability of most eukaryotic cells. Partial cytochrome b gene sequences of 14 species representing mammals, birds, reptiles and amphibians are presented here including some species typical for Poland. For the analysed species a comparative analysis of the natural variation in the gene was performed. This information has been used to discuss some aspects of gene sequence - protein function relationships. Review of relevant literature indicates that similar comparisons have been made only for basic mammalian species. Moreover, there is little information about the Polish-specific species. We observed that there is a strong non-random distribution of nucleotides in the cytochrome b sequence in all tested species with the highest differences at the third codon position. This is also the codon position of the strongest compositional bias. Some tested species, representing distant systematic groups, showed unique base composition differing from the others. The quail, frog, python and elk prefer C over A in the light DNA strand. Species belonging to the artiodactyls stand out from the remaining ones and contain fewer pyrimidines. The observed overall rate of amino acid identity is about 61%. The region covering Qo center as well as histidines 82 and 96 (heme ligands) are totally conserved in all tested species. Additionally, the applied method and the sequences can also be used for diagnostic species identification by veterinary and conservation agencies.
Źródło:
Acta Biochimica Polonica; 2004, 51, 4; 897-905
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
When Dishonesty Leads to Trust: Moral Judgments Biased by Self-interest are Truly Believed
Autorzy:
Bocian, Konrad
Baryla, Wieslaw
Wojciszke, Bogdan
Powiązania:
https://bibliotekanauki.pl/articles/430780.pdf
Data publikacji:
2016-09-01
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
moral judgments
self-interest bias
cheating
trust
Opis:
Research has shown that cheating is perceived as immoral when it serves the cheater’s interests, though it can be seen as moral when it serves the interests of the perceiver. However, are such biased moral judgments real, or are they merely lip service? To answer the question of whether biased moral judgments actually inform behavior, the authors asked participants to observe a confederate who either cheated for money or did not cheat, which benefited either the confederate alone or both the confederate and the participating observer. Then, participants evaluated the confederate and, finally, played a one shot trust game with her. Cheating influenced moral judgments and decreased behavioral trust, but this only occurred when self-interest was not involved. When self-interest was involved, participants showed no significant differences in trust levels, independent of whether the confederate had cheated or not. Implications for the dual process theory in moral psychology are discussed.
Źródło:
Polish Psychological Bulletin; 2016, 47, 3; 366-372
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application Of Bias Randomization In Evaluation Of Measuring Instrument Capability
Autorzy:
Fotowicz, P.
Powiązania:
https://bibliotekanauki.pl/articles/220973.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
measurement uncertainty
bias randomization
measuring instrument capability
Opis:
The paper deals with the problem of bias randomization in evaluation of the measuring instrument capability. The bias plays a significant role in assessment of the measuring instrument quality. Because the measurement uncertainty is a comfortable parameter for evaluation in metrology, the bias may be treated as a component of the uncertainty associated with the measuring instrument. The basic method for calculation of the uncertainty in modern metrology is propagation of distributions. Any component of the uncertainty budget should be expressed as a distribution. Usually, in the case of a systematic effect being a bias, the rectangular distribution is assumed. In the paper an alternative randomization method using the Flatten-Gaussian distribution is proposed.
Źródło:
Metrology and Measurement Systems; 2015, 22, 4; 513-520
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On some efficient classes of estimators using auxiliary attribute
Autorzy:
Bhushan, Shashi
Kumar, Anoop
Powiązania:
https://bibliotekanauki.pl/articles/15017632.pdf
Data publikacji:
2023-03-15
Wydawca:
Główny Urząd Statystyczny
Tematy:
Bias
Mean square error
Efficiency
Auxiliary attribute
Opis:
This paper considers some efficient classes of estimators for the estimation of population mean using known population proportion. The usual mean estimator, classical ratio, and regression estimators suggested by Naik and Gupta (1996) and Abd-Elfattah et al. (2010) estimators are identified as the members of the suggested class of estimators. The expressions of bias and mean square errors are derived up to first-order approximation. The proposed estimators were put to test against various other competing estimators till date. It has been found both theoretically and empirically that the suggested classes of estimators dominate the existing estimators.
Źródło:
Statistics in Transition new series; 2023, 24, 2; 141-157
1234-7655
Pojawia się w:
Statistics in Transition new series
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
STRONNICZOŚĆ MEDIÓW W BIPOLARNYM ŚRODOWISKU POLITYCZNYM. TYGODNIK „POLITYKA” W KAMPANIACH WYBORCZYCH 2015 ROKU
MEDIA BIAS IN A BIPOLAR POLITICAL ENVIRONMENT. “POLITYKA” WEEKLY IN THE 2015 ELECTORAL CAMPAIGNS
Autorzy:
Kolczyński, Mariusz
Powiązania:
https://bibliotekanauki.pl/articles/513665.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
Tematy:
media-party parallelism, media bias, electoral campaign
Opis:
The 2014–2015 electoral cycle was a serious marketing challenge for Polish weeklies because of the gradual change in the balance of power (after several years of Civic Platform domination, the ratings of Law and Justice significantly improved), which implied a more leveled electoral rivalry and changes on the publishing market- leading to more intensive competition between weeklies presenting similar editorial perspective: “Polityka” – “Newsweek” – “W Sieci” – “Do Rzeczy” – “Gazeta Polska”, taking into consideration the relatively low number of readers of such publications. From this perspective the analysis of journalistic endeavors of “Polityka” during the period of time preceding the key elections (Presidential and Parliamentary) in 2015 seem to be an important research problem – taking into account the rank of “Polityka” and its part in forming and defining questions of civil and political discourse.
Źródło:
Polityka i Społeczeństwo; 2017, 15, 1; 33-47 (15)
1732-9639
Pojawia się w:
Polityka i Społeczeństwo
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
POLITICAL PARANOIA - A RULE OR A CHANCE?
Autorzy:
Kasińska-Metryka, Agnieszka
Miernik, Rafał
Powiązania:
https://bibliotekanauki.pl/articles/594695.pdf
Data publikacji:
2013
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
political paranoia
public opinion
cognitive bias
irrationality
Opis:
Politics is a particular field of social activity where accusing an opponent of mental incapacitation occurs as a frequent element of the conducted narrative. Moreover, public opinion discrediting a profession of a politician is very eager to question the mental health of political actors. Vocabulary used in the public is a vital testimony of societies attitude towards people with mental disorders. However, we refer paranoia to personality traits of individuals while political paranoia refers to reaction to events, facts or to the way it is seen by individuals or groups. The authors do not have any ambition to carry out a psychological analysis of politicians. What is intriguing is the issue of using political paranoia (searching for enemies, tracking plots, fighting in defence of ideals, irrational justification of failures) in the group spectrum for elections. What is also intriguing is the answer to the question whether politicians are paranoid, or it is a well-planned election strategy which aims to identify an opponent to consolidate a group of voters around the leader.
Źródło:
Polish Political Science Yearbook; 2013, 42; 139-150
0208-7375
Pojawia się w:
Polish Political Science Yearbook
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
SPORY WOKÓŁ OBRONY PRZEZ KULTURĘ W KONTEKŚCIE DEBAT NA TEMAT WIELOKULTUROWOŚCI
CULTURE DEFENCE STRATEGY IN THE CONTEXT OF THE DEBATE OVER MULTICULTURALISM
Autorzy:
Kania, Magdalena
Powiązania:
https://bibliotekanauki.pl/articles/1368067.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
Tematy:
cultural bias
culture defence
multiculturalism
criminal law
Opis:
The main aim of this article is to introduce the concept of culture/cultural defence into the framework of current debates over multiculturalism. Culture defence is a rela-tively new legal strategy, which seeks to strengthen its own position as a formal strategy in criminal law, mainly in the common law system. It is based on the cognitive assump-tion that culture affects individuals’ perception of social reality to that extent that indi-viduals could lack the capacity to act with the full ignorance of culturally given norms. The concept of culture defence will be juxtaposed to the different approaches to multicul-turalism itself: to the concept of John Rawls’s theory of justice, to the concept of politics of difference as introduced by Charles Taylor, and to the politics of multiculturalism proposed by Will Kymlicka. This article reveals the question of legitimacy of culture defence as a crucial question bounded up with political philosophy, not exclusively em-braced by the philosophy of law.
Źródło:
Polityka i Społeczeństwo; 2016, 14, 2; 151-163
1732-9639
Pojawia się w:
Polityka i Społeczeństwo
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Association between adjustment latitude and sickness presence – A panel study of Swedish employees
Autorzy:
Johansson, Gun
Gustafsson, Klas
Marklund, Staffan
Powiązania:
https://bibliotekanauki.pl/articles/2177243.pdf
Data publikacji:
2015-04-13
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
bias
work place
sickness behaviour
questionnaires
Sweden
Opis:
Objectives This study is analyzing the unexpected reversed or lacking association between high adjustment latitude and sickness presence by examining whether it is due to confounding. Material and Methods Questionnaires were sent in 2004 and 2005 to a cohort of individuals aged 25–50 years, selected from the Statistics Sweden’s register of the Swedish population. Information from 2397 individuals who answered both questionnaires was analyzed by the use of logistic regression analysis. Results The odds ratio for sickness presence among the individuals with a low adjustment latitude compared to those with high adjustment latitude was 1.7 (range: 1.4–2.2). This increased likelihood was almost entirely unaffected in the analysis of potential confounders. Conclusions If the reversed association between adjustment latitude and sickness presence does not reflect confounding, it may be due to reporting bias, which may cause problems in research on sickness presence. We argue that more detailed studies are needed to explore the different sources of possible reporting problems.
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2015, 28, 3; 507-518
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Noise and bias - some controversies raised by the book 'Noise: A Flaw in Human Judgment', written by Daniel Kahneman, Olivier Sibony, Cass R. Sunstein
Autorzy:
Szreder, Mirosław
Powiązania:
https://bibliotekanauki.pl/articles/2082251.pdf
Data publikacji:
2022-06-30
Wydawca:
Główny Urząd Statystyczny
Tematy:
noise
bias
mean squared error
statistical inference
Opis:
The paper reviews and discusses the statistical aspects of the phenomenon called 'noise' which Daniel Kahneman, the Nobel Prize winning psychologist, and his colleagues present in their new book entitled 'Noise: A Flaw in Human Judgment'. Noise is understood by the authors as an unexpected and undesirable variation present in people's judgments. The variability of judgments influences decisions which are made on the basis of those judgments and, consequently, may have a negative impact on the operations of various institutions. This is the main concern presented and analyzed in this book. The objective of this paper is to look at the relationship between bias and noise - the two major components of the mean squared error (MSE) - from a different perspective which is absent in the book. Although the author agrees that each of the two components contributes equally to MSE, he claims that in some circumstances a reduction of noise can make accurate inference not less, but more difficult. It is justified that the actual impact of noise cannot be accurately determined without considering both bias and noise simultaneously.
Źródło:
Przegląd Statystyczny; 2022, 69, 1; 39-49
0033-2372
Pojawia się w:
Przegląd Statystyczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Class of Estimators of Finite Population Mean Using Incomplete Multi-Auxiliary Information
Autorzy:
Srivastava, Meenakshi
Garg, Neha
Powiązania:
https://bibliotekanauki.pl/articles/466065.pdf
Data publikacji:
2013
Wydawca:
Główny Urząd Statystyczny
Tematy:
bias
mean square error
multi-auxiliary information
Opis:
In this paper, a class of estimators is considered for estimating the mean of the finite population utilizing available incomplete multi-auxiliary information. Some special cases of this class of estimators are considered. The approximate expressions for bias and mean square error of the suggested estimators have also been derived and theoretical results are numerically supported.
Źródło:
Statistics in Transition new series; 2013, 14, 2; 201-216
1234-7655
Pojawia się w:
Statistics in Transition new series
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelling a subregular bias in phonological learning with Recurrent Neural Networks
Autorzy:
Prickett, Brandon
Powiązania:
https://bibliotekanauki.pl/articles/2061408.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Instytut Podstaw Informatyki PAN
Tematy:
neural networks
learning bias
formal language theory
phonology
Opis:
A number of experiments have demonstrated what seems to be a bias in human phonological learning for patterns that are simpler according to Formal Language Theory (Finley and Badecker 2008; Lai 2015; Avcu 2018). This paper demonstrates that a sequence-to-sequence neural network (Sutskever et al. 2014), which has no such restriction explicitly built into its architecture, can successfully capture this bias. These results suggest that a bias for patterns that are simpler according to Formal Language Theory may not need to be explicitly incorporated into models of phonological learning.
Źródło:
Journal of Language Modelling; 2021, 9, 1; 67--96
2299-856X
2299-8470
Pojawia się w:
Journal of Language Modelling
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
BIAS REDUCTION IN KERNEL ESTIMATOR OF DENSITY FUNCTION IN BOUNDARY REGION
Autorzy:
Baszczyńska, Aleksandra
Powiązania:
https://bibliotekanauki.pl/articles/453760.pdf
Data publikacji:
2015
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Katedra Ekonometrii i Statystyki
Tematy:
kernel estimator
density function
bias reduction
reflection method
Opis:
The properties of the classical kernel estimator of density function deteriorate when the support of density function is bounded. The use of classical form of kernel estimator causes the increase of the bias estimator, particularly in the so-called boundary region, close to end of support. It can also lead to undesirable situation where density function estimator has a different support than the density function. The paper presents selected bias reduction procedures, such as reflection method and its modification. An example is presented with an attempt to compare considered procedures.
Źródło:
Metody Ilościowe w Badaniach Ekonomicznych; 2015, 16, 1; 7-16
2082-792X
Pojawia się w:
Metody Ilościowe w Badaniach Ekonomicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Darwin’s Greatest Secret Exposed: Response to Grzegorz Malec’s De Facto Fact Denying Review of My Book
Autorzy:
Sutton, Mike
Powiązania:
https://bibliotekanauki.pl/articles/553335.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Zielonogórski. Instytut Filozofii
Tematy:
Darwin
Matthew
misrepresentation
bias
fact denial
historic revisionism
Opis:
Grzegorz Malec’s “There Is No Darwin’s Greatest Secret”, a review of my book Nullius in Verba: Darwin’s Greatest Secret, takes one extremely minor finding from my book and, despite his best efforts, manages to disconfirm just one of thirty examples of that minor finding. He then takes that one disconfirmed mere minor example and presents it as evidence that he has disconfirmed all the original major findings in my book. By so doing, his deceptive review goes far beyond the counter-academic deviance of mere cherry picking, it is more a case of gross misrepresentation to the point of de facto fact denial amounting to historic revisionist behaviour.
Źródło:
Filozoficzne Aspekty Genezy; 2016, 13; 287-296
2299-0356
Pojawia się w:
Filozoficzne Aspekty Genezy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The evaluation of weekly extended range river basin rainfall forecasts and a new bias correction mechanism for flood management in India
Autorzy:
Guhathakurta, Pulak
Prasad, Ashwini Kumar
Chattyopadhyay, Rajib
Sangwan, Neha
Wagh, Nilesh
Pattanaik, D. R.
Pai, D. S.
Mohapatra, M.
Powiązania:
https://bibliotekanauki.pl/articles/2058418.pdf
Data publikacji:
2022
Wydawca:
Instytut Meteorologii i Gospodarki Wodnej - Państwowy Instytut Badawczy
Tematy:
extended range prediction
rainfall bias correction
flood management
Opis:
Operational extended range forecasts are being disseminated once every week by the India Meteorological Department (IMD) for several sectorial applications. These forecasts show a reduction in amplitude and variance as a function of lead-time. Such reductions in variance can be due to several physical factors: inherent forecast model bias, a problem relating to initial conditions, leaddependent statistical biases, etc. A week-by-week analysis shows that such biases are not systematic. Rainfall forecasts are underestimated in some regions, while others overestimate rainfall amplitude. To correct the bias in the extended range weekly averaged forecast, a statistical post-processing method (normal ratio correction) is proposed to make the outlook more valuable at a longer lead-time. The correction method is based on the World Meteorological Organization (WMO) technical guidance on rainfall estimation and is also shown to be useful for rainfall forecasts. In this analysis, we evaluate the extended range forecast skill at the river sub-basin-scale and show that there are several river sub-basins over the central Indian region where the correction has improved the model forecast in the one to two-week range. Although this analysis was tailored toward making the river basins and sub-basins of India more readily realizable for flood forecasters, it can be used for any administrative boundaries such as block, district, or state-level requirements.
Źródło:
Meteorology Hydrology and Water Management. Research and Operational Applications; 2022, 10, 1; 1--25
2299-3835
2353-5652
Pojawia się w:
Meteorology Hydrology and Water Management. Research and Operational Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Results of radon CR-39 detectors exposed in schools due two different long-term periods
Autorzy:
Stojanovska, Z.
Boev, B.
Zunic, Z. S.
Bossew, P.
Jovevska, S.
Powiązania:
https://bibliotekanauki.pl/articles/147386.pdf
Data publikacji:
2016
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
comparison
linear regression analysis
relative bias
U test
Opis:
The paper deals with the recent survey of indoor radon (Rn) results in schools, where paired CR-39 detectors were simultaneously exposed to different long-term periods, i.e., one detector was exposed during the whole year and the other one in the period of the school year duration. To be able to compare the results obtained, for its analysis, the relative bias and U tests were used. It was found that there are no systematic differences between the results, which points that the exposure of the detector during summer vacations did not affect the estimated average annual radon concentration. The paired results were modelled by a linear function, giving an extremely high coeffi cient of determination R2 = 0.99.
Źródło:
Nukleonika; 2016, 61, 3; 385-389
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
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