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Horswill MS, Hill A, Silapurem L. The development and validation of video-based measures of drivers' following distance and gap acceptance behaviours. ACCIDENT; ANALYSIS AND PREVENTION 2020; 146:105626. [PMID: 32950848 DOI: 10.1016/j.aap.2020.105626] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 04/28/2020] [Accepted: 05/29/2020] [Indexed: 06/11/2023]
Abstract
The distance at which drivers follow other vehicles has been found to be linked to crash risk. Tailgating (i.e. driving at an unsafe following distance) is both endemic and a leading cause of rear-end crashes. Similarly, drivers' decisions about when to merge with a stream of traffic are likely to influence crash risk. Consistent with this, it has been shown that crashes are more common at intersections where drivers more frequently have to slow for vehicles pulling out into insufficient gaps. Therefore, the development of reliable and valid measures of both of these driving behaviours would facilitate further crash prevention research. Given the problems associated with assessing these behaviours during real driving, we developed new video-based measures. In our new following distance measure, participants view videos shot from the perspective of a driver who is following another vehicle at a range of distances across a variety of traffic environments. On each trial, participants report their own minimum comfortable following distance relative to the following distance depicted in the video. In our new test of gap acceptance behaviour, participants view a series of video clips and indicate when they would pull out into the approaching stream of traffic shown in each clip. The two new measures each yielded reliable data, and we found that young drivers made riskier choices than older drivers for both following distance and gap acceptance. These age-related differences are consistent with those found in observational studies of real driving, supporting the proposal that the new tests could potentially be used as proxies for these crash-related driving behaviours in both lab-based research and large-scale online studies.
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Affiliation(s)
- Mark S Horswill
- School of Psychology, The University of Queensland, St Lucia, Brisbane, QLD, 4072, Australia.
| | - Andrew Hill
- School of Psychology, The University of Queensland, St Lucia, Brisbane, QLD, 4072, Australia; Minerals Industry Safety and Health Centre, Sustainable Minerals Institute, The University of Queensland, St Lucia, Brisbane, QLD, 4072, Australia
| | - Likitha Silapurem
- School of Psychology, The University of Queensland, St Lucia, Brisbane, QLD, 4072, Australia
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Douglas MA, Swartz SM, Richey RG, Roberts MD. Risky business: Investigating influences on large truck drivers' safety attitudes and intentions. JOURNAL OF SAFETY RESEARCH 2019; 70:1-11. [PMID: 31847984 DOI: 10.1016/j.jsr.2019.04.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 03/26/2019] [Accepted: 04/11/2019] [Indexed: 06/10/2023]
Abstract
INTRODUCTION Safety research in the U.S. motor carrier context remains important, as the trucking industry employs approximately 1.7 million large truck drivers. Drivers face many competing pressures in this unique high risk, high regulation, and low direct supervision context. They represent the cornerstone of safe carrier operations. METHODS Using a multi-theoretical approach, this study investigates how drivers' perceptions of carrier safety climate influence their safety-related attitudes and intentions. RESULTS Responses from nearly 1500 over the road drivers provide evidence that safety climate directly influences drivers' attitudes toward safety, safety norms, and driver risk avoidance, and indirectly influences drivers' intentions to commit unsafe acts. These findings replicate previous findings and also extend the nomological network of theory in this context, adding driver risk avoidance as a central factor to the driver safety theoretical framework. Additionally, carrier managers are encouraged to reflect on the study's evidence and pursue a better understanding of their drivers' risk perceptions and tolerance, while minimizing avoidable risk through prudent safety and operational policies, procedures, and processes. Future research in this area is highly encouraged.
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Affiliation(s)
- Matthew A Douglas
- Baylor University, One Bear Place #98006, Waco, TX 76798, United States of America.
| | | | - R Glenn Richey
- Auburn University, Auburn, AL, United States of America.
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Helman S, Kinnear NAD, McKenna FP, Allsop RE, Horswill MS. Changes in self-reported driving intentions and attitudes while learning to drive in Great Britain. ACCIDENT; ANALYSIS AND PREVENTION 2013; 59:425-431. [PMID: 23896046 DOI: 10.1016/j.aap.2013.06.038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2013] [Revised: 06/26/2013] [Accepted: 06/30/2013] [Indexed: 06/02/2023]
Abstract
Novice drivers are overrepresented in traffic collisions, especially in their first year of solo driving. It is widely accepted that some driving behaviours (such as speeding and thrill-seeking) increase risk in this group. Increasingly research is suggesting that attitudes and behavioural intentions held in the pre-driver and learning stage are important in determining later driver behaviour in solo driving. In this study we examine changes in several self-reported attitudes and behavioural intentions across the learning stage in a sample of learner drivers in Great Britain. A sample of 204 learner drivers completed a self-report questionnaire near the beginning of their learning, and then again shortly after they passed their practical driving test. Results showed that self-reported intentions regarding speed choice, perceptions regarding skill level, and intentions regarding thrill-seeking (through driving) became less safe over this time period, while self-reported intentions regarding following distance and overtaking tendency became safer. The results are discussed with reference to models of driver behaviour that focus on task difficulty; it is suggested that the manner in which behind-the-wheel experience relates to the risk measures of interest may be the key determining factor in how these change over the course of learning to drive.
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Affiliation(s)
- S Helman
- Transport Research Laboratory, Crowthorne House, Nine Mile Ride, Wokingham, Berkshire RG40 3GA, UK.
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Grieve R, de Groot HT. Does online psychological test administration facilitate faking? COMPUTERS IN HUMAN BEHAVIOR 2011. [DOI: 10.1016/j.chb.2011.08.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Lewis I, Watson B, White KM. Internet versus paper-and-pencil survey methods in psychological experiments: Equivalence testing of participant responses to health-related messages. AUSTRALIAN JOURNAL OF PSYCHOLOGY 2011. [DOI: 10.1080/00049530802105865] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Ioni Lewis
- Centre for Accident Research and Road Safety–Queensland
| | - Barry Watson
- Centre for Accident Research and Road Safety–Queensland
| | - Katherine Marie White
- Psychology and Counselling, Queensland University of Technology, Brisbane, Queensland, Australia
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Falk B. Do drivers become less risk-prone after answering a questionnaire on risky driving behaviour? ACCIDENT; ANALYSIS AND PREVENTION 2010; 42:235-244. [PMID: 19887164 DOI: 10.1016/j.aap.2009.08.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2008] [Revised: 05/13/2009] [Accepted: 08/01/2009] [Indexed: 05/28/2023]
Abstract
Two studies showed that answering a questionnaire regarding self-reported risky driving behaviour and attitudes led to a significant (p < 0.001) decrease in self-reported risky driving behaviour at a follow-up some five weeks after answering the first questionnaire. In Study I participants (193 men, 18-20 years old) also reported more concern about hurting others, increased subjective probability of accidents, but less thinking about injuries at follow-up. In Study 2 (149 men, 18-19 years old) effects on attitudes at follow-up were not tested. The results are discussed in terms of the question-behaviour effect, that is, questioning a person about a certain behaviour can influence his future performance of that behaviour. Assuming that most young male drivers essentially disapprove of traffic violations, it is argued that answering the questionnaire served as an intervention that made attitudes more accessible and led to a polarization towards stronger disapproval of traffic violations, which in turn influenced reported risky driving behaviour. The need to develop alternative instruments for evaluating effects of experimental traffic safety interventions is also discussed.
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Affiliation(s)
- Birgitta Falk
- Department of Psychology, Stockholm University, SE 10691 Stockholm, Sweden.
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Aberson CL, McVean ADW. Contact and Anxiety as Predictors of Bias Toward the Homeless1. JOURNAL OF APPLIED SOCIAL PSYCHOLOGY 2008. [DOI: 10.1111/j.1559-1816.2008.00423.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Pauley K, O'Hare D, Wiggins M. Risk tolerance and pilot involvement in hazardous events and flight into adverse weather. JOURNAL OF SAFETY RESEARCH 2008; 39:403-411. [PMID: 18786427 DOI: 10.1016/j.jsr.2008.05.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2008] [Revised: 05/20/2008] [Accepted: 05/22/2008] [Indexed: 05/26/2023]
Abstract
INTRODUCTION According to Lopes [Lopes, L.L. (1987). Between hope and fear: The psychology of risk. Advances in Experimental Social Psychology, 20, 255-295] tolerance of risk may be governed by sensitivity to either the opportunities for gain or threats of loss involved. METHODS In the initial study, qualified pilots were presented with 36 written flight scenarios that varied in the levels of opportunity and threat present. The pilots rated the likelihood that they would undertake each flight. Pilots were largely risk averse, as their ratings were all significantly influenced by threat. RESULTS The pilots whose ratings were significantly influenced by opportunity had been involved in more hazardous aviation incidents than the other pilots. In the final study, 32 qualified pilots completed both the risk tolerance measure and a simulated flight into adverse weather. The pilots who continued flying into adverse weather were less risk averse compared to the pilots who diverted. This further highlighted the link between risk tolerance and risk-taking, and suggested that some pilots may fly into adverse weather because of a greater tolerance of risk. IMPACT ON INDUSTRY The studies provide evidence that a measure of risk tolerance can predict potential accident involvement amongst general aviation pilots.
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Affiliation(s)
- Keryn Pauley
- Department of Psychology, University of Otago, Box 56, Dunedin, New Zealand.
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Weller G, Schlag B, Friedel T, Rammin C. Behaviourally relevant road categorisation: a step towards self-explaining rural roads. ACCIDENT; ANALYSIS AND PREVENTION 2008; 40:1581-1588. [PMID: 18606293 DOI: 10.1016/j.aap.2008.04.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2008] [Revised: 04/18/2008] [Accepted: 04/25/2008] [Indexed: 05/26/2023]
Abstract
In contrast to motorways, rural roads are characterised by a large variation in design, appearance and function which is reflected in a comparatively large number of rural road categories. Depending on these categories, a certain (normative) behaviour is usually expected from the driver. These normative behavioural expectations are conveyed to the driver either by formal cues (e.g. speed limit signs) or are expected to be inferred from the road appearance or the affordance (Gibson, J.J., 1986. The Ecological Approach to Visual Perception. Lawrence Erlbaum, Hillsdale (New Jersey)) of the respective road situation. Unsafe situations are likely to occur if the perceived message conveyed by cues or affordances does not match the normative behavioural expectations of the official road category. In order to avoid such mismatch it is important to know how drivers categorise (rural) roads and which elements are used for this subjective and behaviourally relevant road categorisation. We therefore summarized the processes behind this categorisation in a model and conducted a study in a laboratory setting during which subjects were asked to rate a variety of rural road pictures. The study revealed that drivers distinguish between three different rural road categories which can be distinguished with comparatively few objective criteria. Applying these criteria helps to categorise and design rural roads along self-explaining road principles.
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Affiliation(s)
- Gert Weller
- Dresden University of Technology, Traffic and Transportation Psychology, Hettnerstrasse 1, Dresden, Germany.
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Whitehead LC. Methodological and ethical issues in Internet-mediated research in the field of health: An integrated review of the literature. Soc Sci Med 2007; 65:782-91. [PMID: 17512105 DOI: 10.1016/j.socscimed.2007.03.005] [Citation(s) in RCA: 108] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2006] [Indexed: 11/19/2022]
Abstract
The advantages and disadvantages of using the Internet in both qualitative and quantitative researches in the field of health are readily available in the literature, but little examination has been made of the factors to be considered in developing and running Internet-mediated research. A bibliographic search of English language publications indexed in eight computerized databases (EBSCO, EMBASE, MedLine, PsycInfo, CINAHL, PubMed, Cochrane, and TRIP) was undertaken with no limit set for the data of publication. The keywords Internet, research, quality, credibility, reliability, and validity were used in all possible combinations, and mappings to headings made wherever possible. The search revealed three key areas in setting up and undertaking Internet-mediated research: addressing sampling biases, ensuring ethical practice, and exploring the validity of data collected using an online interface. This paper contributes to the ongoing development of quality standards in the conduct and write-up of Internet-mediated research in the field of health.
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Buchanan T, Ali T, Heffernan TM, Ling J, Parrott AC, Rodgers J, Scholey AB. Nonequivalence of on-line and paper-and-pencil psychological tests: The case of the prospective memory questionnaire. Behav Res Methods 2005; 37:148-54. [PMID: 16097355 DOI: 10.3758/bf03206409] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
There is growing evidence that Internet-mediated psychological tests can have satisfactory psychometric properties and can measure the same constructs as traditional versions. However, equivalence cannot be taken for granted. The prospective memory questionnaire (PMQ; Hannon, Adams, Harrington, Fries-Dias, & Gibson, 1995) was used in an on-line study exploring links between drug use and memory (Rodgers et al., 2003). The PMQ has four factor-analytically derived subscales. In a large (N = 763) sample tested via the Internet, only two factors could be recovered; the other two subscales were essentially meaningless. This demonstration of nonequivalence underlines the importance of on-line test validation. Without examination of its psychometric properties, one cannot be sure that a test administered via the Internet actually measures the intended construct.
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Affiliation(s)
- Tom Buchanan
- Department of Psychology, University of Westminster, London, England.
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Abstract
Advantages and disadvantages of Web and lab research are reviewed. Via the World Wide Web, one can efficiently recruit large, heterogeneous samples quickly, recruit specialized samples (people with rare characteristics), and standardize procedures, making studies easy to replicate. Alternative programming techniques (procedures for data collection) are compared, including client-side as opposed to server-side programming. Web studies have methodological problems; for example, higher rates of drop out and of repeated participation. Web studies must be thoroughly analyzed and tested before launching on-line. Many studies compared data obtained in Web versus lab. These two methods usually reach the same conclusions; however, there are significant differences between college students tested in the lab and people recruited and tested via the Internet. Reasons that Web researchers are enthusiastic about the potential of the new methods are discussed.
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Affiliation(s)
- Michael H Birnbaum
- Department of Psychology, California State University, Fullerton, California 92834-6846, USA.
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Horswill MS, Waylen AE, Tofield MI. Drivers' Ratings of Different Components of Their Own Driving Skill: A Greater Illusion of Superiority for Skills That Relate to Accident Involvement1. JOURNAL OF APPLIED SOCIAL PSYCHOLOGY 2004. [DOI: 10.1111/j.1559-1816.2004.tb02543.x] [Citation(s) in RCA: 112] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Horswill MS, Helman S. A behavioral comparison between motorcyclists and a matched group of non-motorcycling car drivers: factors influencing accident risk. ACCIDENT; ANALYSIS AND PREVENTION 2003; 35:589-597. [PMID: 12729822 DOI: 10.1016/s0001-4575(02)00039-8] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Motorcyclists and a matched group of non-motorcycling car drivers were assessed on behavioral measures known to relate to accident involvement. Using a range of laboratory measures, we found that motorcyclists chose faster speeds than the car drivers, overtook more, and pulled into smaller gaps in traffic, though they did not travel any closer to the vehicle in front. The speed and following distance findings were replicated by two further studies involving unobtrusive roadside observation. We suggest that the increased risk-taking behavior of motorcyclists was only likely to account for a small proportion of the difference in accident risk between motorcyclists and car drivers. A second group of motorcyclists was asked to complete the simulator tests as if driving a car. They did not differ from the non-motorcycling car drivers on the risk-taking measures but were better at hazard perception. There were also no differences for sensation seeking, mild social deviance, and attitudes to riding/driving, indicating that the risk-taking tendencies of motorcyclists did not transfer beyond motorcycling, while their hazard perception skill did.
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Affiliation(s)
- Mark S Horswill
- Department of Psychology, University of Reading, RG6 6AL, Reading, UK.
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Abstract
This article summarizes expertise gleaned from the first years of Internet-based experimental research and presents recommendations on: (1) ideal circumstances for conducting a study on the Internet; (2) what precautions have to be undertaken in Web experimental design; (3) which techniques have proven useful in Web experimenting; (4) which frequent errors and misconceptions need to be avoided; and (5) what should be reported. Procedures and solutions for typical challenges in Web experimenting are discussed. Topics covered include randomization, recruitment of samples, generalizability, dropout, experimental control, identity checks, multiple submissions, configuration errors, control of motivational confounding, and pre-testing. Several techniques are explained, including “warm-up,” “high hurdle,” password methods, “multiple site entry,” randomization, and the use of incentives. The article concludes by proposing sixteen standards for Internet-based experimenting.
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Horswill MS, Coster ME. The effect of vehicle characteristics on drivers' risk-taking behaviour. ERGONOMICS 2002; 45:85-104. [PMID: 11964197 DOI: 10.1080/00140130110115345] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
There is evidence linking certain vehicle characteristics to crash involvement and one possible mechanism behind this relationship is that these vehicle characteristics influence drivers' risk-taking behaviour. In order to investigate this, we conducted a roadside observation survey and a questionnaire-based study. Both revealed a significant relationship between vehicle performance and drivers' risk-taking behaviour. The causal direction of this relationship has important consequences. If drivers' risk taking predicts their car choice, then it could be justifiably argued that individuals who take more risks when driving simply choose more powerful vehicles to facilitate their behaviour. However, if it is the case that vehicle characteristics adversely influence drivers' risk-taking propensity then this has implications for vehicle design. Results indicated that the causal pathway operates independently in both directions. Finally, we sought to determine which vehicle characteristics influenced risk-taking intentions independently of other confounded characteristics. We found that high vehicle performance and a greater number of safety features led independently to greater intended risk taking in general, while higher internal car noise led to closer car following and more risky gap acceptance, but not to greater speed. Vehicle smoothness and handling did not affect risk-taking intentions.
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Affiliation(s)
- Mark S Horswill
- Department of Psychology, University of Reading, PO Box 238, Reading RG6 6AL, Berkshire, UK.
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Schmidt WC. Presentation accuracy of Web animation methods. BEHAVIOR RESEARCH METHODS, INSTRUMENTS, & COMPUTERS : A JOURNAL OF THE PSYCHONOMIC SOCIETY, INC 2001; 33:187-200. [PMID: 11447672 DOI: 10.3758/bf03195365] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Several Web animation methods were independently assessed on fast and slow systems running two popular Web browsers under MacOS and Windows. The methods assessed included those requiring programming (Authorware, Java, Javascript/Jscript), browser extensions (Flash and Authorware), or neither (animated GIF). The number of raster scans that an image in an animation was presented for was counted. This was used as an estimate of the minimum presentation time for the image when the software was set to update the animation as quickly as possible. In a second condition, the image was set to be displayed for 100 msec, and differences between observed and expected presentations were used to assess accuracy. In general, all the methods except Java deteriorated as a function of the speed of the computer system, with the poorest temporal resolutions and greatest variability occurring on slower systems. For some animation methods, poor performance was dependent on browser, operating system, system speed, or combinations of these.
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Affiliation(s)
- W C Schmidt
- Department of Psychology, State University of New York, 355 Park Hall, Buffalo, NY 14260, USA.
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