Results for 'ROC curves'

971 found
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  1.  26
    Roc curves for discrimination of linear extent.C. Douglas Creelman & Wayne Donaldson - 1968 - Journal of Experimental Psychology 77 (3p1):514.
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  2. Area under the ROC curve by Bubble-Sort approach (BSA).Petr Honzík - 2005 - Complexity 1:1.
     
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  3.  11
    Evaluating the Error Risk of Email Filters Based on ROC Curve Analysis.Wenbin Li, Ning Zhong & Chunnian Liu - 2008 - In S. Iwata, Y. Oshawa, S. Tsumoto, N. Zhong, Y. Shi & L. Magnani, Communications and Discoveries From Multidisciplinary Data. Springer. pp. 299--314.
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  4.  11
    Testing global memory models using ROC curves.Roger Ratcliff, Ching-fan Sheu & Scott D. Gronlund - 1992 - Psychological Review 99 (3):518-535.
  5.  33
    SAS macros for point and interval estimation of area under the receiver operating characteristic curve for non‐proportional and proportional hazards Weibull models.Haider Mannan & Chris Stevenson - 2010 - Journal of Evaluation in Clinical Practice 16 (4):756-770.
  6.  13
    Predicting Student Performance Using Machine Learning in fNIRS Data.Amanda Yumi Ambriola Oku & João Ricardo Sato - 2021 - Frontiers in Human Neuroscience 15.
    Increasing student involvement in classes has always been a challenge for teachers and school managers. In online learning, some interactivity mechanisms like quizzes are increasingly used to engage students during classes and tasks. However, there is a high demand for tools that evaluate the efficiency of these mechanisms. In order to distinguish between high and low levels of engagement in tasks, it is possible to monitor brain activity through functional near-infrared spectroscopy. The main advantages of this technique are portability, low (...)
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  7.  14
    A Recurrent Neural Network for Attenuating Non-cognitive Components of Pupil Dynamics.Sharath Koorathota, Kaveri Thakoor, Linbi Hong, Yaoli Mao, Patrick Adelman & Paul Sajda - 2021 - Frontiers in Psychology 12.
    There is increasing interest in how the pupil dynamics of the eye reflect underlying cognitive processes and brain states. Problematic, however, is that pupil changes can be due to non-cognitive factors, for example luminance changes in the environment, accommodation and movement. In this paper we consider how by modeling the response of the pupil in real-world environments we can capture the non-cognitive related changes and remove these to extract a residual signal which is a better index of cognition and performance. (...)
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  8.  67
    The Effect of Hemoglobin Concentration on Hyperbaric Oxygen and Non-hyperbaric Oxygen in the Treatment of Hypertensive Intracerebral Hemorrhage After Operation at the High Altitude.Linjie Wei, Chi Lin, Xingsen Xue, Shiju Jila, Yalan Dai, Li Pan, Wei Wei, Guodong Dun, Yong Shen, Taoxi Zong, Jingjing Wu, Yafang Li, Lixia Wu, Jishu Xian & Anyong Yu - 2022 - Frontiers in Human Neuroscience 16.
    BackgroundThe prognosis of hypertensive intracerebral hemorrhage is poor at high altitudes. The objective of this study was to explore whether hyperbaric oxygen can improve the results of computed tomography perfusion imaging and the neurological function of patients with HICH, and influence the hemoglobin concentration.MethodThe patients with HICH were treated with puncture and drainage. Twenty-one patients were treated with HBO after the operation, and the other patients received conventional treatment. CTP was performed twice, and all indices were measured. Scatter plots were (...)
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  9.  19
    Revision on Psychometric Properties of the Temperament and Character Inventory in a Clinical Sample.Silvia Dell’Orco, Raffaele Sperandeo, Enrico Moretto & Nelson Mauro Maldonato - 2018 - Frontiers in Psychology 9:295407.
    Cloninger’s Temperament and Character Inventory (TCI) although elaborated on the general population, is frequently used in clinical samples. The study evaluates the psychometric characteristics of TCI in clinical populations with the aim of creating a reduced version of the test suitable for these subjects. This research was conducted on two groups of mental health outpatients. In the first study, 44 items, correlated with the psychiatric disorders, was selected. These items, divided in four dimensions utilizing both statistic and psychopathological criteria, show (...)
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  10.  15
    Toward agent-based LSB image steganography system.Budoor Salem Edhah & Fatmah Abdulrahman Baothman - 2021 - Journal of Intelligent Systems 30 (1):903-919.
    In a digital communication environment, information security is mandatory. Three essential parameters used in the design process of a steganography algorithm are Payload, security, and fidelity. However, several methods are implemented in information hiding, such as Least Significant Bit (LBS), Discrete Wavelet Transform, Masking, and Discrete Cosine Transform. The paper aims to investigate novel steganography techniques based on agent technology. It proposes a Framework of Steganography based on agent for secret communication using LSB. The most common image steganography databases are (...)
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  11.  25
    Conscious access to fear-relevant information is mediated by threshold.Remigiusz Szczepanowski - 2011 - Polish Psychological Bulletin 42 (2):56-64.
    Conscious access to fear-relevant information is mediated by threshold The present report proposed a model of access consciousness to fear-relevant information according to which there is a threshold for emotional perception beyond that the subject makes hits with no false alarm. The model was examined by having the participants performed a confidence-ratings masking task with fearful faces. Measures of the thresholds for conscious access were taken by looking at the receiver operating characteristics curves generated from a three-state low- and (...)
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  12.  58
    The pervasive effects of argument length on inductive reasoning.Evan Heit & Caren M. Rotello - 2012 - Thinking and Reasoning 18 (3):244 - 277.
    Three experiments examined the influence of argument length on plausibility judgements, in a category-based induction task. The general results were that when arguments were logically invalid they were considered stronger when they were longer, but for logically valid arguments longer arguments were considered weaker. In Experiments 1a and 1b when participants were forewarned to avoid using length as a cue to judging plausibility, they still did so. Indeed, participants given the opposite instructions did not follow those instructions either. In Experiment (...)
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  13.  19
    Flood Detection and Susceptibility Mapping Using Sentinel-1 Time Series, Alternating Decision Trees, and Bag-ADTree Models.Ayub Mohammadi, Khalil Valizadeh Kamran, Sadra Karimzadeh, Himan Shahabi & Nadhir Al-Ansari - 2020 - Complexity 2020:1-21.
    Flooding is one of the most damaging natural hazards globally. During the past three years, floods have claimed hundreds of lives and millions of dollars of damage in Iran. In this study, we detected flood locations and mapped areas susceptible to floods using time series satellite data analysis as well as a new model of bagging ensemble-based alternating decision trees, namely, bag-ADTree. We used Sentinel-1 data for flood detection and time series analysis. We employed twelve conditioning parameters of elevation, normalized (...)
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  14.  11
    Predicting insurance claims through a variety of data mining techniques: facing lots of missing values and moderate class-imbalanced levels.Paola Santana-Morales & Antonio J. Tallón-Ballesteros - forthcoming - Logic Journal of the IGPL.
    This paper copes with a real-world classification problem related to the management of claims received in an insurance company. The way to obtain the classifier is not easy due to the high amount of missing values as well as the inherent imbalanced scenario within class labels. Once the data partition has been done, the training set is submitted to an intensive double grid search in order to obtain the most promising type of missing value imputation approach and then a step (...)
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  15.  41
    Using the Center for Epidemiologic Studies Depression Scale (CES-D) to Classify Participants of a Questionnaire Survey with Regard to Their Individual Inclination to Respond at Random.Maciej Górkiewicz - 2014 - Studies in Logic, Grammar and Rhetoric 39 (1):89-103.
    In this study, the well-known CES-D depression scale was considered as a prototypical tool for assessing an individual’s inclination to respond at random. It was postulated that the set of the responses obtained from the participants of a questionnaire survey could be divided into three classes: the honest responses class; the pure random class, characterized by the same prob- ability of each admissible score; the smart random class, characterized by the same distribution of the probability of scores as in the (...)
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  16.  17
    Performance Analysis of an Optimized ANN Model to Predict the Stability of Smart Grid.Ayushi Chahal, Preeti Gulia, Nasib Singh Gill & Jyotir Moy Chatterjee - 2022 - Complexity 2022:1-13.
    The stability of the power grid is concernment due to the high demand and supply to smart cities, homes, factories, and so on. Different machine learning and deep learning models can be used to tackle the problem of stability prediction for the energy grid. This study elaborates on the necessity of IoT technology to make energy grid networks smart. Different prediction models, namely, logistic regression, naïve Bayes, decision tree, support vector machine, random forest, XGBoost, k-nearest neighbor, and optimized artificial neural (...)
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  17.  16
    The Application of Human Figure Drawing as a Supplementary Tool for Depression Screening.Xuyang Deng, Tiantong Mu, Yu Wang & Yuqi Xie - 2022 - Frontiers in Psychology 13.
    ObjectiveDepression is one of the most prevalent mental disorder in college students. The traditional screening method for is psychological measurements or scales, but social desirability can cause students to mask their thoughts, and an auxiliary projective test may be needed. This study was designed to measure the validity of applying human figure drawing test as an auxiliary tool for depression screening in this population.MethodsThe HFD test was administered to 113 clinical participants diagnosed with major depressive disorder and 97 healthy college (...)
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  18.  18
    Diagnostic accuracy of multi-component spatial-temporal gait parameters in older adults with amnestic mild cognitive impairment.Shuyun Huang, Xiaobing Hou, Yajing Liu, Pan Shang, Jiali Luo, Zeping Lv, Weiping Zhang, Biqing Lin, Qiulan Huang, Shuai Tao, Yukai Wang, Chengguo Zhang, Lushi Chen, Suyue Pan & Haiqun Xie - 2022 - Frontiers in Human Neuroscience 16:911607.
    ObjectiveThis study aimed to develop a diagnostic model of multi-kinematic parameters for patients with amnestic mild cognitive impairment (aMCI).MethodIn this cross-sectional study, 94 older adults were included (33 cognitively normal, CN; and 61 aMCI). We conducted neuropsychological battery tests, such as global cognition and cognitive domains, and collected gait parameters by an inertial-sensor gait analysis system. Multivariable regression models were used to identify the potential diagnostic variables for aMCI. Receiver operating characteristic (ROC) curves were applied to assess the diagnostic (...)
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  19.  12
    Attention-Based Deep Entropy Active Learning Using Lexical Algorithm for Mental Health Treatment.Usman Ahmed, Suresh Kumar Mukhiya, Gautam Srivastava, Yngve Lamo & Jerry Chun-Wei Lin - 2021 - Frontiers in Psychology 12.
    With the increasing prevalence of Internet usage, Internet-Delivered Psychological Treatment (IDPT) has become a valuable tool to develop improved treatments of mental disorders. IDPT becomes complicated and labor intensive because of overlapping emotion in mental health. To create a usable learning application for IDPT requires diverse labeled datasets containing an adequate set of linguistic properties to extract word representations and segmentations of emotions. In medical applications, it is challenging to successfully refine such datasets since emotion-aware labeling is time consuming. Other (...)
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  20.  15
    From Talent Identification to Novo Basquete Brasil (NBB): Multifactorial Analysis of the Career Progression in Youth Brazilian Elite Basketball.Dilson B. Ribeiro Junior, Francisco Z. Werneck, Hélder Z. Oliveira, Patrícia S. Panza, Sergio J. Ibáñez & Jeferson M. Vianna - 2021 - Frontiers in Psychology 12.
    This study examined individual, task, and environmental constraints that influence the career progression of youth Brazilian elite basketball players and the probability of reaching Novo Basquete Brasil and to determine if the association of the relative age effect is a key factor in the career progression. The sample consisted of 4,692 male players who were registered to participate in at least one U15, U17, or U22 youth Brazilian basketball championship between 2004 and 2018. Athletes who reached a high-performance level were (...)
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  21.  12
    Neural Network Model for Predicting Student Failure in the Academic Leveling Course of Escuela Politécnica Nacional.Iván Sandoval-Palis, David Naranjo, Raquel Gilar-Corbi & Teresa Pozo-Rico - 2020 - Frontiers in Psychology 11.
    The purpose of this study is to train an artificial neural network model for predicting student failure in the academic leveling course of the Escuela Politécnica Nacional of Ecuador, based on academic and socioeconomic information. For this, 1308 higher education students participated, 69.0% of whom failed the academic leveling course; besides, 93.7% of the students self-identified as mestizo, 83.9% came from the province of Pichincha, and 92.4% belonged to general population. As a first approximation, a neural network model was trained (...)
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  22.  71
    The Meaning of the Opposition Between the Healthy and the Pathological.Maël Lemoine - 2009 - Medecine, Health Care and Philosophy 12 (3):355-362.
    If the healthy and the pathological are not merely judgments qualifiers, but real phenomena, it must be possible to define both of them positively, which, in this context, means as factual contraries. On the other hand, only a privative definition, either of the pathological as 'non-healthy', or of the healthy as 'non-pathological', can rationally circumscribe all possible states of an organism. This fluctuation between two meanings of the 'healthy'-'pathological' opposition, factual vs. rational, characterizes the ordinary usage of these concepts and (...)
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  23.  13
    Validation of a German Version of the Grief Cognitions Questionnaire and Establishment of a Short Form.Bettina K. Doering, Paul A. Boelen, Maarten C. Eisma & Antonia Barke - 2021 - Frontiers in Psychology 11.
    BackgroundWhereas the majority of bereaved persons recover from their grief without professional assistance, a minority develops pathological grief reactions. Etiological models postulate that dysfunctional cognitions may perpetuate such reactions. The Grief Cognitions Questionnaire assesses thoughts after bereavement in nine interrelated domains. A short form with four domains is often used. However, an evaluation of the psychometric properties of the GCQ-SF and its utility compared to the GCQ is lacking and these instruments have not been validated in German.MethodGerman bereaved persons responded (...)
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  24.  13
    Theories and Methods for Labeling Cognitive Workload: Classification and Transfer Learning.Ryan McKendrick, Bradley Feest, Amanda Harwood & Brian Falcone - 2019 - Frontiers in Human Neuroscience 13:461869.
    There are a number of key data-centric questions that must be answered when developing classifiers for operator functional states. “Should a supervised or unsupervised learning approach be used? What degree of labeling and transformation must be performed on the data? What are the trade-offs between algorithm flexibility and model interpretability, as generally these features are at odds?” Here, we focus exclusively on the labeling of cognitive load data for supervised learning. We explored three methods of labeling cognitive states for three-state (...)
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  25.  23
    An Empirical Evaluation of Supervised Learning Methods for Network Malware Identification Based on Feature Selection.C. Manzano, C. Meneses, P. Leger & H. Fukuda - 2022 - Complexity 2022:1-18.
    Malware is a sophisticated, malicious, and sometimes unidentifiable application on the network. The classifying network traffic method using machine learning shows to perform well in detecting malware. In the literature, it is reported that this good performance can depend on a reduced set of network features. This study presents an empirical evaluation of two statistical methods of reduction and selection of features in an Android network traffic dataset using six supervised algorithms: Naïve Bayes, support vector machine, multilayer perceptron neural network, (...)
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  26. Simultaneous recording of intracardiac ecg, pressure, phonocardiogram, and hydrogen curves using only one catheter. A new method of cardio-vascular diagnosis ja kôhler.Curves Using Only One Catheter - 1968 - In Peter Koestenbaum, Proceedings. [San Jose? Calif.,: [San Jose? Calif.. pp. 313.
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  27. Keď vedu nemožno stotožniť S rozumom.Rozhovory Roč - 2003 - Filozofia 58 (6-10):564.
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  28.  19
    Lateral inhibition and cognitive masking: A neuropsychological theory of attention.Roc E. Walley & Theodore D. Weiden - 1973 - Psychological Review 80 (4):284-302.
  29. Equal opportunity, natural inequalities, and racial disadvantage: The bell curve and its critics.Bell Curve Myth - 1999 - Philosophy of the Social Sciences 29 (1):121-145.
  30. Ako ironizovať sebaironika?Eseje Roč - 2002 - Filozofia 57 (1-5):48.
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  31. 25 rokov svetového fenomenologického ústavu.Rozhovory Roc - 1993 - Filozofia 48 (7-12):815.
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  32. Európa 21. storočia-osvietenstvo ešte Raz?Krátke Úvahy Roč - 1992 - Filozofia 47 (7-12):718.
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  33. Mozaikovitý exkurz ruskou filozofiou 20. storočia.Recenzie Roč - 2002 - Filozofia 57 (1-5):65.
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  34. O jednom neelementárnom pohľade na filozofiu.Recenzie Roč - 2003 - Filozofia 58 (1-5):70.
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  35. Postrehy Z 21. svetového filozofického kongresu.Eseje Roč - 2003 - Filozofia 58 (6-10):751.
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  36.  21
    Giving flesh to a "straw man": A reply to Feeney, Pittman, and Wagner.Roc E. Walley & Theodore D. Weiden - 1974 - Psychological Review 81 (6):540-542.
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  37.  18
    Le masque de l'ignorance.Roselyne Dupont-roc - 1972 - Philologus: Zeitschrift für Antike Literatur Und Ihre Rezeption 116 (1-2):157-166.
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  38. K problematike identity.Recenzie Roč - 1999 - Filozofia 54 (6-10):773.
     
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  39.  22
    Long-Term BCI Training of a Tetraplegic User: Adaptive Riemannian Classifiers and User Training.Camille Benaroch, Khadijeh Sadatnejad, Aline Roc, Aurélien Appriou, Thibaut Monseigne, Smeety Pramij, Jelena Mladenovic, Léa Pillette, Camille Jeunet & Fabien Lotte - 2021 - Frontiers in Human Neuroscience 15:635653.
    While often presented as promising assistive technologies for motor-impaired users, electroencephalography (EEG)-based Brain-Computer Interfaces (BCIs) remain barely used outside laboratories due to low reliability in real-life conditions. There is thus a need to design long-term reliable BCIs that can be used outside-of-the-lab by end-users, e.g., severely motor-impaired ones. Therefore, we propose and evaluate the design of a multi-class Mental Task (MT)-based BCI for longitudinal training (20 sessions over 3 months) of a tetraplegic user for the CYBATHLON BCI series 2019. In (...)
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  40.  7
    Jean-Marc Ferry. Des trois compréhensions du monde aux quatre formes de l’identité.Lune Roc Pierre Louis - 2025 - Dois Pontos 21 (3).
    Trois compréhensions du monde. Trois primats. Trois principes. Trois questions. Trois enjeux. Quatre registres discussifs. Quatre formes d’identité. Telle est la question dans laquelle s’investit le présent article. Il s’agit de situer d’un point de vue systématique les épiphanies par lesquelles s’éveillent les quatre formes de l’identité à travers les trois compréhensions du monde dans l’architectonique de Jean-Marc Ferry. En effet, il définit systématiquement d’une part les trois moments génétiques de la compréhension du monde. Il s’agit de trois moments qui (...)
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  41.  14
    Reason Curve, Jury Competence and the English Criminal Justice System.Bethel Erastus-Obilo - 2008 - Boca Raton, FL, USA: Universal Publishers.
    Reason Curve, Jury Competence, and the English Criminal Justice System, a cross-jurisdictional and cross-disciplinary book, seeks to stimulate discussion and extend the debate in the area of criminal trials in light of the absence of an articulated explanation for a verdict. The book traces the history and development of the jury, from the Carolingian kings, its advancement in the English Courts following papal intervention, the impact of the Magna Carta, to its general use, current curtailment in England and Wales, and (...)
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  42. P-curving x-phi: Does experimental philosophy have evidential value?Michael T. Stuart, David Colaço & Edouard Machery - 2019 - Analysis 79 (4):669-684.
    In this article, we analyse the evidential value of the corpus of experimental philosophy. While experimental philosophers claim that their studies provide insight into philosophical problems, some philosophers and psychologists have expressed concerns that the findings from these studies lack evidential value. Barriers to evidential value include selection bias and p-hacking. To find out whether the significant findings in x-phi papers result from selection bias or p-hacking, we applied a p-curve analysis to a corpus of 365 x-phi chapters and articles. (...)
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  43.  81
    New Curved Spacetime Dirac Equations: On the Anomalous Gyromagnetic Ratio.G. G. Nyambuya - 2008 - Foundations of Physics 38 (7):665-677.
    I propose three new curved spacetime versions of the Dirac Equation. These equations have been developed mainly to try and account in a natural way for the observed anomalous gyromagnetic ratio of Fermions. The derived equations suggest that particles including the Electron which is thought to be a point particle do have a finite spatial size which is the reason for the observed anomalous gyromagnetic ratio. A serendipitous result of the theory, is that, to of the equation exhibits an asymmetry (...)
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  44. Crossing Curves: A Limit to the Use of Diagrams in Proofs†: Articles.Marcus Giaquinto - 2011 - Philosophia Mathematica 19 (3):281-307.
    This paper investigates the following question: when can one reliably infer the existence of an intersection point from a diagram presenting crossing curves or lines? Two cases are considered, one from Euclid's geometry and the other from basic real analysis. I argue for the acceptability of such an inference in the geometric case but against in the analytic case. Though this question is somewhat specific, the investigation is intended to contribute to the more general question of the extent and (...)
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  45. Curve-Fitting for Bayesians?Gordon Belot - 2017 - British Journal for the Philosophy of Science 68 (3):689-702.
    Bayesians often assume, suppose, or conjecture that for any reasonable explication of the notion of simplicity a prior can be designed that will enforce a preference for hypotheses simpler in just that sense. But it is shown here that there are simplicity-driven approaches to curve-fitting problems that cannot be captured within the orthodox Bayesian framework.
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  46.  17
    Curves of growth of intelligence.Herbert A. Toops & Rudolf Pintner - 1920 - Journal of Experimental Psychology 3 (3):231.
  47.  47
    Unwrapping Closed Timelike Curves.Sergei Slobodov - 2008 - Foundations of Physics 38 (12):1082-1109.
    Closed timelike curves (CTCs) appear in many solutions of the Einstein equation, even with reasonable matter sources. These solutions appear to violate causality and so are considered problematic. Since CTCs reflect the global properties of a spacetime, one can attempt to extend a local CTC-free patch of such a spacetime in a way that does not give rise to CTCs. One such procedure is informally known as unwrapping. However, changes in global identifications tend to lead to local effects, and (...)
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  48.  26
    Pairwise disjoint eight-shaped curves in hybrid planes.Camillo Costantini - 2007 - Mathematical Logic Quarterly 53 (6):551-557.
    We introduce a suitable notion of eight-shaped curve in the product S × ℝ of a Suslin line S for the real line ℝ, and we prove that if S is dense in itself, then every collection of pairwise disjoint eight-shaped curves in S × ℝ is countable. This parallels a folklore result which holds for the real plane.
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  49.  24
    A Growth-Curve Analysis of the Effects of Future-Thought Priming on Insight and Analytical Problem-Solving.Monica Truelove-Hill, Brian A. Erickson, Julia Anderson, Mary Kossoyan & John Kounios - 2018 - Frontiers in Psychology 9:352096.
    Research based on construal level theory (CLT) suggests that thinking about the distant future can prime people to solve problems by insight (i.e., an “aha” moment) while thinking about the near future can prime them to solve problems analytically. In this study, we used a novel method to elucidate the time-course of temporal priming effects on creative problem solving. Specifically, we used growth-curve analysis (GCA) to examine the time-course of priming while participants solved a series of brief verbal problems. Participants (...)
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  50.  43
    ROC in animals: Uncovering the neural substrates of recollection and familiarity in episodic recognition memory☆.Magdalena M. Sauvage - 2010 - Consciousness and Cognition 19 (3):816-828.
    It is a consensus that familiarity and recollection contribute to episodic recognition memory. However, it remains controversial whether familiarity and recollection are qualitatively distinct processes supported by different brain regions, or whether they reflect different strengths of the same process and share the same support. In this review, I discuss how adapting standard human recognition memory paradigms to rats, performing circumscribed brain lesions and using receiver operating characteristic methods contributed to solve this controversy. First, I describe the validation of the (...)
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