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Stephens RG, Dunn JC, Hayes BK, Kalish ML. A test of two processes: The effect of training on deductive and inductive reasoning. Cognition 2020; 199:104223. [PMID: 32092549 DOI: 10.1016/j.cognition.2020.104223] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 01/31/2020] [Accepted: 02/05/2020] [Indexed: 10/25/2022]
Abstract
Dual-process theories posit that separate kinds of intuitive (Type 1) and reflective (Type 2) processes contribute to reasoning. Under this view, inductive judgments are more heavily influenced by Type 1 processing, and deductive judgments are more strongly influenced by Type 2 processing. Alternatively, single-process theories propose that both types of judgments are based on a common form of assessment. The competing accounts were respectively instantiated as two-dimensional and one-dimensional signal detection models, and their predictions were tested against specifically targeted novel data using signed difference analysis. In two experiments, participants evaluated valid and invalid arguments, under induction or deduction instructions. Arguments varied in believability and type of conditional argument structure. Additionally, we used logic training to strengthen Type 2 processing in deduction (Experiments 1 & 2) and belief training to strengthen Type 1 processing in induction (Experiment 2). The logic training successfully improved validity-discrimination, and differential effects on induction and deduction judgments were evident in Experiment 2. While such effects are consistent with popular dual-process accounts, crucially, a one-dimensional model successfully accounted for the results. We also demonstrate that the one-dimensional model is psychologically interpretable, with the model parameters varying sensibly across conditions. We argue that single-process accounts have been prematurely discounted, and formal modeling approaches are important for theoretical progress in the reasoning field.
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Affiliation(s)
- Rachel G Stephens
- School of Psychology, University of Adelaide, Adelaide, SA 5005, Australia.
| | - John C Dunn
- School of Psychological Science, University of Western Australia, Perth, WA 6009, Australia.
| | - Brett K Hayes
- School of Psychology, University of New South Wales, Sydney, NSW 2052, Australia.
| | - Michael L Kalish
- Department of Psychology, Syracuse University, Syracuse, NY 13244, USA.
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Hayes BK, Heit E. Inductive reasoning 2.0. WILEY INTERDISCIPLINARY REVIEWS. COGNITIVE SCIENCE 2017; 9:e1459. [PMID: 29283506 DOI: 10.1002/wcs.1459] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Revised: 07/09/2017] [Accepted: 10/23/2017] [Indexed: 11/08/2022]
Abstract
Inductive reasoning entails using existing knowledge to make predictions about novel cases. The first part of this review summarizes key inductive phenomena and critically evaluates theories of induction. We highlight recent theoretical advances, with a special emphasis on the structured statistical approach, the importance of sampling assumptions in Bayesian models, and connectionist modeling. A number of new research directions in this field are identified including comparisons of inductive and deductive reasoning, the identification of common core processes in induction and memory tasks and induction involving category uncertainty. The implications of induction research for areas as diverse as complex decision-making and fear generalization are discussed. This article is categorized under: Psychology > Reasoning and Decision Making Psychology > Learning.
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Affiliation(s)
- Brett K Hayes
- Department of Psychology, University of New South Wales, Sydney, Australia
| | - Evan Heit
- School of Social Sciences, Humanities and Arts, University of California, Merced, California
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Hruska P, Krigolson O, Coderre S, McLaughlin K, Cortese F, Doig C, Beran T, Wright B, Hecker KG. Working memory, reasoning, and expertise in medicine-insights into their relationship using functional neuroimaging. ADVANCES IN HEALTH SCIENCES EDUCATION : THEORY AND PRACTICE 2016; 21:935-952. [PMID: 26537964 DOI: 10.1007/s10459-015-9649-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Accepted: 10/25/2015] [Indexed: 06/05/2023]
Abstract
Clinical reasoning is dependent upon working memory (WM). More precisely, during the clinical reasoning process stored information within long-term memory is brought into WM to facilitate the internal deliberation that affords a clinician the ability to reason through a case. In the present study, we examined the relationship between clinical reasoning and WM while participants read clinical cases with functional magnetic resonance imaging (fMRI). More specifically, we examined the impact of clinical case difficulty (easy, hard) and clinician level of expertise (2nd year medical students, senior gastroenterologists) on neural activity within regions of cortex associated with WM (i.e., the prefrontal cortex) during the reasoning process. fMRI was used to scan ten second-year medical students and ten practicing gastroenterologists while they reasoned through sixteen clinical cases [eight straight forward (easy) and eight complex (hard)] during a single 1-h scanning session. Within-group analyses contrasted the easy and hard cases which were then subsequently utilized for a between-group analysis to examine effects of expertise (novice > expert, expert > novice). Reading clinical cases evoked multiple neural activations in occipital, prefrontal, parietal, and temporal cortical regions in both groups. Importantly, increased activation in the prefrontal cortex in novices for both easy and hard clinical cases suggests novices utilize WM more so than experts during clinical reasoning. We found that clinician level of expertise elicited differential activation of regions of the human prefrontal cortex associated with WM during clinical reasoning. This suggests there is an important relationship between clinical reasoning and human WM. As such, we suggest future models of clinical reasoning take into account that the use of WM is not consistent throughout all clinical reasoning tasks, and that memory structure may be utilized differently based on level of expertise.
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Affiliation(s)
- Pam Hruska
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Olav Krigolson
- Neuroscience Program, Centre for Biomedical Research, and School of Exercise Science, Physical, and Health Education, University of Victoria, Victoria, BC, Canada
| | - Sylvain Coderre
- Undergraduate Medical Education, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Kevin McLaughlin
- Undergraduate Medical Education, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Filomeno Cortese
- Seaman Family MR Research Centre, Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
| | - Christopher Doig
- Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Tanya Beran
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Bruce Wright
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada
| | - Kent G Hecker
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
- Department of Veterinary Clinical and Diagnostic Sciences, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada.
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Heit E. Brain imaging, forward inference, and theories of reasoning. Front Hum Neurosci 2015; 8:1056. [PMID: 25620926 PMCID: PMC4288126 DOI: 10.3389/fnhum.2014.01056] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Accepted: 12/18/2014] [Indexed: 11/13/2022] Open
Abstract
This review focuses on the issue of how neuroimaging studies address theoretical accounts of reasoning, through the lens of the method of forward inference (Henson, 2005, 2006). After theories of deductive and inductive reasoning are briefly presented, the method of forward inference for distinguishing between psychological theories based on brain imaging evidence is critically reviewed. Brain imaging studies of reasoning, comparing deductive and inductive arguments, comparing meaningful versus non-meaningful material, investigating hemispheric localization, and comparing conditional and relational arguments, are assessed in light of the method of forward inference. Finally, conclusions are drawn with regard to future research opportunities.
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Affiliation(s)
- Evan Heit
- School of Social Sciences, Humanities and Arts, University of California Merced , Merced, CA , USA
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Abstract
Inductive inferences about objects, features, categories, and relations have been studied for many years, but there are few attempts to chart the range of inductive problems that humans are able to solve. We present a taxonomy of inductive problems that helps to clarify the relationships between familiar inductive problems such as generalization, categorization, and identification, and that introduces new inductive problems for psychological investigation. Our taxonomy is founded on the idea that semantic knowledge is organized into systems of objects, features, categories, and relations, and we attempt to characterize all of the inductive problems that can arise when these systems are partially observed. Recent studies have begun to address some of the new problems in our taxonomy, and future work should aim to develop unified theories of inductive reasoning that explain how people solve all of the problems in the taxonomy.
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Vlach HA, Kalish CW. Temporal dynamics of categorization: forgetting as the basis of abstraction and generalization. Front Psychol 2014; 5:1021. [PMID: 25278916 PMCID: PMC4166224 DOI: 10.3389/fpsyg.2014.01021] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Accepted: 08/27/2014] [Indexed: 11/22/2022] Open
Abstract
Historically, models of categorization have focused on how learners track frequencies and co-occurrence information to abstract relevant category features for generalization. The current study takes a different approach by examining how the temporal dynamics of categorization affect abstraction and generalization. In the learning phase of the experiment, all relevant category features were presented an equal number of times across category exemplars. However, the relevant features were presented on one of two learning schedules: massed or interleaved. At a series of immediate and delayed tests, learners were asked to generalize to novel exemplars that contained massed features, interleaved features, or all novel features. The results of this experiment revealed that, at an immediate test, learners more readily generalized based upon features presented on a massed schedule. Conversely, at a delayed test, learners more readily generalized based upon features presented on an interleaved schedule, until information was no longer readily retrievable from memory. These findings suggest that forgetting and retrieval processes engendered by the temporal dynamics of learning are used as a basis of abstraction, implicating forgetting as a central mechanism of generalization.
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Affiliation(s)
- Haley A. Vlach
- Department of Educational Psychology, University of Wisconsin–MadisonMadison, WI, USA
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Hayes BK, Heit E, Rotello CM. Memory, reasoning, and categorization: parallels and common mechanisms. Front Psychol 2014; 5:529. [PMID: 24987380 PMCID: PMC4060413 DOI: 10.3389/fpsyg.2014.00529] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2014] [Accepted: 05/13/2014] [Indexed: 11/13/2022] Open
Abstract
Traditionally, memory, reasoning, and categorization have been treated as separate components of human cognition. We challenge this distinction, arguing that there is broad scope for crossover between the methods and theories developed for each task. The links between memory and reasoning are illustrated in a review of two lines of research. The first takes theoretical ideas (two-process accounts) and methodological tools (signal detection analysis, receiver operating characteristic curves) from memory research and applies them to important issues in reasoning research: relations between induction and deduction, and the belief bias effect. The second line of research introduces a task in which subjects make either memory or reasoning judgments for the same set of stimuli. Other than broader generalization for reasoning than memory, the results were similar for the two tasks, across a variety of experimental stimuli and manipulations. It was possible to simultaneously explain performance on both tasks within a single cognitive architecture, based on exemplar-based comparisons of similarity. The final sections explore evidence for empirical and processing links between inductive reasoning and categorization and between categorization and recognition. An important implication is that progress in all three of these fields will be expedited by further investigation of the many commonalities between these tasks.
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Affiliation(s)
- Brett K. Hayes
- School of Psychology, University of New South WalesSydney, NSW, Australia
| | - Evan Heit
- School of Social Sciences, Humanities and Arts, University of CaliforniaMerced, CA, USA
| | - Caren M. Rotello
- Department of Psychology, University of MassachusettsAmherst, MA, USA
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Trueblood JS, Pothos EM, Busemeyer JR. Quantum probability theory as a common framework for reasoning and similarity. Front Psychol 2014; 5:322. [PMID: 24782814 PMCID: PMC3990050 DOI: 10.3389/fpsyg.2014.00322] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Accepted: 03/27/2014] [Indexed: 11/13/2022] Open
Affiliation(s)
- Jennifer S Trueblood
- Department of Cognitive Sciences, University of California Irvine, Irvine, CA, USA
| | | | - Jerome R Busemeyer
- Department of Psychological and Brain Sciences, Indiana University Bloomington, IN, USA
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Cropper SJ, Kvansakul JGS, Little DR. The categorisation of non-categorical colours: a novel paradigm in colour perception. PLoS One 2013; 8:e59945. [PMID: 23536899 PMCID: PMC3607564 DOI: 10.1371/journal.pone.0059945] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2012] [Accepted: 02/20/2013] [Indexed: 11/23/2022] Open
Abstract
In this paper, we investigate a new paradigm for studying the development of the colour ‘signal’ by having observers discriminate and categorize the same set of controlled and calibrated cardinal coloured stimuli. Notably, in both tasks, each observer was free to decide whether two pairs of colors were the same or belonged to the same category. The use of the same stimulus set for both tasks provides, we argue, an incremental behavioural measure of colour processing from detection through discrimination to categorisation. The measured data spaces are different for the two tasks, and furthermore the categorisation data is unique to each observer. In addition, we develop a model which assumes that the principal difference between the tasks is the degree of similarity between the stimuli which has different constraints for the categorisation task compared to the discrimination task. This approach not only makes sense of the current (and associated) data but links the processes of discrimination and categorisation in a novel way and, by implication, expands upon the previous research linking categorisation to other tasks not limited to colour perception.
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Affiliation(s)
- Simon J Cropper
- Melbourne School of Psychological Sciences, University of Melbourne, Melbourne, Victoria, Australia.
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