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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:
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:
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:
A feedback weighted fusion algorithm with dynamic sensor bias correction for gyroscope array
Autorzy:
Yuan, Ding
Qin, Yongyuan
Shen, Xiaowei
Wu, Zongwei
Powiązania:
https://bibliotekanauki.pl/articles/1848956.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
inertial sensor
gyroscope array
weighted fusion
bias correction
Opis:
Low-cost Micro-Electromechanical System (MEMS) gyroscopes are known to have a smaller size, lower weight, and less power consumption than their more technologically advanced counterparts. However, current low-grade MEMS gyroscopes have poor performance and cannot compete with quality sensors in high accuracy navigational and guidance applications. The main focus of this paper is to investigate performance improvements by fusing multiple homogeneous MEMS gyroscopes. These gyros are transformed into a virtual gyro using a feedback weighted fusion algorithm with dynamic sensor bias correction. The gyroscope array combines eight homogeneous gyroscope units on each axis and divides them into two layers of differential configuration. The algorithm uses the gyroscope array estimation value to remove the gyroscope bias and then correct the gyroscope array measurement value. Then the gyroscope variance is recalculated in real time according to the revised measurement value and the weighted coefficients and state estimation of each gyroscope are deduced according to the least square principle. The simulations and experiments showed that the proposed algorithm could further reduce the drift and improve the overall accuracy beyond the performance limitations of individual gyroscopes. The maximum cumulative angle error was -2.09 degrees after 2000 seconds in the static test, and the standard deviation (STD) of the output fusion value of the proposed algorithm was 0.006 degrees/s in the dynamic test, which was only 1.7% of the STD value of an individual gyroscope.
Źródło:
Metrology and Measurement Systems; 2021, 28, 1; 161-179
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Multiplicative method for reduction of bias in indirect digital measurement result
Autorzy:
Muravyov, S. V.
Zlygosteva, G. V.
Borikov, V. N.
Powiązania:
https://bibliotekanauki.pl/articles/221726.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
bias
error reduction technique
shunt ohmic resistance
indirect measurement
Opis:
The error reduction technique, based on inverse transformation, for a shunt active resistance measurement using an ammeter and voltmeter is considered. When computing a corrected reading only multiplicative operations on two measurement results are used, namely squaring and division. The proposed method allows to increase resistance measurement accuracy by about two orders of magnitude what has been validated by both theoretical and experimental outcomes.
Źródło:
Metrology and Measurement Systems; 2011, 18, 3; 481-489
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Afterthoughts on biases in history perception
Autorzy:
Dymkowski, Maciej
Powiązania:
https://bibliotekanauki.pl/articles/430109.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cognitive bias
common-sense psychology
historical interpretation
history perception
Opis:
Contemporary social psychology describes various deformations of processing social information leading to distortions of knowledge about other people. What is more, a person in everyday life refers to lay convictions and ideas common in his/ her cultural environment that distort his/her perceptions. Therefore it is difficult to be surprised that authors of narrations in which participants of history are presented use easily available common-sense psychology, deforming images of both the participants of history and their activities, as well as the sequence of events determined by these activities. Which cognitive biases, how often, and in what intensity they will be presented in historical narrations depend on statements of dominating common-sense psychology. The article outlines some biases made by historian-lay psychologists, such as attributional asymmetry or hindsight effects, whose occurrence in their thinking, as formed in the cultural sphere of the West, influences history perception and conducted historical interpretations.
Źródło:
Polish Psychological Bulletin; 2010, 41, 2; 84-90
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Measuring Impedances of DC-biased Inductors by Using Vector Network Analyzers
Autorzy:
Asmanis, G.
Stepins, D.
Asmanis, A.
Ribickis, L.
Powiązania:
https://bibliotekanauki.pl/articles/226614.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
vector network analyzer
impedance
inductor
measurements
accuracy
bias tee
Opis:
This paper is devoted to a detailed experimentally based analysis of applicability of vector network analyzers for measuring impedance of surface mount inductors with and without DC bias. The measurements are made using custom-made bias tees and a test fixture with an ordinary vector network analyzer. The main attention in the analysis is focused on measurement accuracy of an impedance of surface mount inductors. Measurement results obtained with a vector network analyzer will also be compared to those obtained by using an impedance analyzer based on auto-balancing bridge method.
Źródło:
International Journal of Electronics and Telecommunications; 2019, 65, 3; 375-380
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Real-Time vs. Full-Sample Performance of One-Sided and Two-Sided HP Filters. An Application to 27 EU Member States GDP Data
Autorzy:
Ganev, Kaloyan
Powiązania:
https://bibliotekanauki.pl/articles/2075476.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
One-sided and two-sided Hodrick-Prescott filters
endpoint bias
Opis:
The paper makes a comparison of the results of the application of two-sided and one-sided versions of the Hodrick-Prescott filter on GDP data concerning 27 EU Member States. Based on the results, the overall finding is that, contrary to its assumed advantages, the one-sided filter does not help overcome endpoint unbiasedness. Quite the opposite, it rather spreads and consolidates the endpoint bias that plagues the two-sided version over the entire filtered data. In addition, regression-based results on the influence of the second, third, and fourth moments of the GDP acceleration rates on the differences between one- sided and two-sided HP trends are presented.
Źródło:
Central European Journal of Economic Modelling and Econometrics; 2020, 3; 251-272
2080-0886
2080-119X
Pojawia się w:
Central European Journal of Economic Modelling and Econometrics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of metacognitive self on confirmation bias revealed in relation to community and competence
Autorzy:
Brycz, Hanna
Wyszomirska-Góra, Magdalena
Bar-Tal, Yoram
Wiśniewski, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/430841.pdf
Data publikacji:
2014-09-01
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
metacognitive self
social perception
community
competence
cognitive biases
confirmation bias
Opis:
The main goal of our study was to investigate the role of insight into one’s own biases (metacognitive self) in the process of hypothesis validation in accordance to the two fundamental social perception domains (community and competence) on the example of confirmation bias. The study was conducted on a group of 593 participants with the use of a confirmation bias procedure, a free recall procedure and the Metacognitive Self scale. We manipulated with the domain and the value of information given to the respondents. We suspected that individuals with a high metacognitive self, in opposition to low metacognitive self ones, would not process the given information according to the two fundamental social perception domains. The results verified the existence of an interaction effect of the metacognitive self (MCS) and the domain of the information given about a perceived person on the susceptibility to follow the confirmation bias. Contrary to the low metacognitive self individuals, who show a higher tendency for the confirmation bias within the competence than the community domain, persons with a high insight into their own biases express the same level of confirmation bias in no respect to the domain of the information. The value of the information has no significant influence.
Źródło:
Polish Psychological Bulletin; 2014, 45, 3; 306-311
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of Uncertainty of Phase Difference Determination in Presence of Bias
Autorzy:
Saranovac, L. V.
Vučijak, N. M.
Powiązania:
https://bibliotekanauki.pl/articles/221324.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
sinusoidal electrical signals
phase difference
bias
uncertainty of measurement
MSAL algorithm
Opis:
Determination of the phase difference between two sinusoidal signals with noise components using samples of these signals is of interest in many measurement systems. The samples of signals are processed by one of many algorithms, such as 7PSF, UQDE and MSAL, to determine the phase difference. The phase difference result must be accompanied with estimation of the measurement uncertainty. The following issues are covered in this paper: the MSAL algorithm background, the ways of treating the bias influence on the phase difference result, comparison of results obtained by applying MSAL and the other mentioned algorithms to the same real signal samples, and evaluation of the uncertainty of the phase difference.
Źródło:
Metrology and Measurement Systems; 2016, 23, 4; 603-614
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of bias of modal parameter estimators
Analiza obciążeń estymatorów parametrów modalnych
Autorzy:
Berczyński, S.
Chmielewski, K.
Chodźko, M.
Powiązania:
https://bibliotekanauki.pl/articles/176021.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
analiza modalna
estymacja
obciążenie estymatora
modal analysis
estimation
bias of estimator
Opis:
This paper presents an analysis based on a mathematical model of a bias in modal parameter estimators of a machine tool. The analytically determined amplitude-frequency characteristics were disturbed by random noise. The modal parameter estimation process was based on individual characteristics, followed by the determination of a bias in those parameters.
W pracy prowadzono analizę obciążenia estymatorów parametrów modalnych na przykładzie modelu matematycznego obrabiarki. Wyznaczone analitycznie charakterystyki amplitudowo-częstotliwościowe zakłócono szumem losowym. Dokonano estymacji parametrów modalnych na podstawie poszczególnych charakterystyk. Określono stopień ich obciążenia.
Źródło:
Advances in Manufacturing Science and Technology; 2012, 36, 3; 19-27
0137-4478
Pojawia się w:
Advances in Manufacturing Science and Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On the bias of terminal based gain and offset estimation using the ADC histogram test method
Autorzy:
Correa Alegria, F.
Tiglao, N. M. C.
Powiązania:
https://bibliotekanauki.pl/articles/221033.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
analog to digital converter
histogram test method
estimator bias
terminal based
gain
offset
Opis:
The Histogram Test method is a popular technique in analog-to-digital converter (ADC) testing. The presence of additive noise in the test setup or in the ADC itself can potentially affect the accuracy of the test results. In this study, we demonstrate that additive noise causes a bias in the terminal based estimation of the gain but not in the estimation of the offset. The estimation error is determined analytically as a function of the sinusoidal stimulus signal amplitude and the noise standard deviation. We derive an exact but computationally difficult expression as well as a simpler closed form approximation that provides an upper bound of the bias of the terminal based gain. The estimators are validated numerically using a Monte Carlo procedure with simulated and experimental data.
Źródło:
Metrology and Measurement Systems; 2011, 18, 1; 3-12
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Uncertainties in the building process
Autorzy:
Nowak, A.
Rakoczy, A.
Powiązania:
https://bibliotekanauki.pl/articles/201972.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
loads
resistance
bias factor
coefficient of variation
reliability index
limit states
human error
Opis:
Load and resistance have to be treated as random variables because of natural and man-made uncertainties. Statistical parameters, i.e. bias factors and coefficients of variation, are presented for natural effects of dead load, live load for buildings and bridges, and environmental loads. Man-made effects are more difficult to quantify as they include also human errors. For resistance, the uncertainties are considered as a combination of three factors: material, fabrication and professional. The statistical parameters are shown for structural steel, reinforced concrete, and prestressed concrete. These parameters allow for calculation of the reliability indices for structural components and assessment of the effect of uncertainties in load and resistance on the structural safety.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2013, 61, 1; 129-135
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł

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