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Control Task Analysis of the Deprescription Process: A Pilot Study 脱处方过程的控制任务分析:一项初步研究
Connor Wurst, Huei-Yen Winnie Chen, Robert Wahler, Kelly Tenzek, Ranjit Singh, Matthew Cosmai, Alexandria Wahler, Scott Monte
Deprescription is the process by which a physician supervises a patient’s withdrawal or dose reduction of a given medication due to side effects or diminishing efficacy. Prior studies on the process of deprescription have resulted in a number of models, two of which are used in this pilot study alongside the decision ladder to construct a novel analytic method. Initial findings indicate that this approach can offer unique insight into the deprescription process, particularly regarding the paths physicians take through the decision making process and when certain factors are most important. These early results are limited but lay the foundation for a rich variety of future work.
去处方是医生监督病人因副作用或疗效下降而停止或减少药物剂量的过程。先前对去处方过程的研究已经产生了许多模型,其中两个模型在本初步研究中与决策阶梯一起使用,以构建一种新的分析方法。初步研究结果表明,这种方法可以提供独特的见解,以解除处方的过程,特别是关于路径医生采取通过决策过程和某些因素是最重要的。这些早期结果是有限的,但为未来丰富多样的工作奠定了基础。
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引用次数: 0
Comparing mouse versus trackpad input in a web-based app for assessing motor learning 在一个基于网络的应用程序中比较鼠标和触控板的输入,以评估运动学习
Alexandra T. Watral, Abby Morley, Robert Pastel, Kevin M. Trewartha
Current laboratory approaches to measuring motor learning are not accessible to all populations, limiting research about developmental processes and medical conditions that impact motor control. We recently created a web-based application remote assessment of visuomotor adaptation, a gold-standard approach to studying motor learning. Previously, we validated this application in younger and older adults. However, preliminary analyses suggested that the input device (mouse or trackpad) may have impacted performance. The current study directly evaluated performance differences in younger adults using the application with a mouse compared to a trackpad. Results showed no statistically significant differences in learning curves or movement times between groups, but reaction time was significantly faster in mouse users. While the input device had very little impact on motor learning, slower reaction time when using a trackpad may be related to increased cognitive demands or reduced movement efficiency compared to using a mouse for this task.
目前测量运动学习的实验室方法并不适用于所有人群,这限制了对影响运动控制的发育过程和医疗条件的研究。我们最近创建了一个基于网络的视觉运动适应远程评估应用程序,这是研究运动学习的黄金标准方法。以前,我们在年轻人和老年人中验证了这种应用。然而,初步分析表明,输入设备(鼠标或触控板)可能会影响性能。目前的研究直接评估了年轻人在使用鼠标和触控板时的表现差异。结果显示,两组之间的学习曲线和运动时间没有统计学上的显著差异,但鼠标使用者的反应时间明显更快。虽然输入设备对运动学习的影响很小,但与使用鼠标相比,使用触控板时反应时间较慢可能与认知需求增加或运动效率降低有关。
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引用次数: 0
A Framework of Vehicle-Human Communication Features at Traffic Intersections to Enhance Trust and Situation Awareness 交通路口车辆-人通信特征框架以增强信任和态势感知
Liam Kettle, Kayla M. G. Herrera, Pawinee Pithayarungsarit, Kassidy L. Simpson, Yi-Ching Lee
Vehicle manufacturers are advancing their automated driving system (ADS) capabilities with enhanced transparency features. Research supports driving assistants (DA) and augmented reality (AR) displays for conveying the ADS status, actions, and road environment elements. However, providing continuous or irrelevant information degrades driving performance and attitudes towards the ADS. Therefore, the current study sought to create a framework for specific communication features that would enhance drivers’ trust and situation awareness via DA and AR stimuli. Participants watched various driving scenarios and provided their desired communication features to improve trust and situation awareness across modalities. Results identified key themes consistent across events (i.e., current/intended vehicle actions) as well as context-dependent themes such as police presence or pedestrian detection and location. In contrast, auditory cues were identified as redundant across events. These findings can support researchers to focus on relevant information to enhance drivers’ attitudes, awareness, and safety while operating ADS-equipped vehicles.
汽车制造商正在通过增强透明度功能来提升其自动驾驶系统(ADS)的能力。研究支持驾驶助理(DA)和增强现实(AR)显示器来传达ADS状态、动作和道路环境元素。然而,提供连续或不相关的信息会降低驾驶性能和对ADS的态度。因此,本研究试图为特定的通信功能创建一个框架,通过DA和AR刺激来增强驾驶员的信任和态势感知。参与者观看了不同的驾驶场景,并提供了他们想要的通信功能,以提高不同模式下的信任和情况意识。结果确定了跨事件一致的关键主题(即当前/预期的车辆动作)以及与上下文相关的主题,如警察存在或行人检测和位置。相比之下,听觉线索在事件中被认为是多余的。这些发现可以支持研究人员关注相关信息,以提高驾驶员在操作配备ads的车辆时的态度、意识和安全性。
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引用次数: 0
Quantifying Visual Attention of Teams During Workload Transitions Using AOI-Based Cross-Recurrence Metrics 使用基于aoi的交叉递归度量来量化工作负载转换期间团队的视觉注意力
Jad A. Atweh, Jackie Al Hayek, Sara L. Riggs
Cross-recurrence quantification analysis (CRQA) metrics may offer a means to provide information about the quality of collaboration in real-time. The goal of the present work is to use Area of Interest (AOI) based CRQA metrics to analyze the eye-tracking data of 10 pairs who participated in a shared unmanned aerial vehicle (UAV) command and control task. We are interested in how teams respond to workload transitions and how it affects AOI-based CRQA metrics. The results showed that as workload increased, team members spent a longer time on the same task which may indicate that they are coordinating together on a task, or they are not adapting and getting “trapped” in certain tasks. The findings suggest that CRQA AOIbased metrics are sensitive to workload changes and validate these metrics in unraveling the visual puzzle of how workload impacts scanpath patterns which contribute to quantifying the adaptation process of pairs over time. This also has the potential to inform the design of real-time technology in the future.
交叉循环量化分析(CRQA)度量可以提供一种实时提供有关协作质量的信息的方法。本研究的目的是利用基于兴趣区域(AOI)的CRQA指标分析参与共享无人机(UAV)指挥控制任务的10对参与者的眼动追踪数据。我们对团队如何响应工作负载转换以及它如何影响基于aoi的CRQA度量感兴趣。结果表明,随着工作量的增加,团队成员在同一项任务上花费的时间更长,这可能表明他们在一项任务上协调一致,或者他们没有适应并“陷入”某些任务中。研究结果表明,基于CRQA aoi的指标对工作负载变化很敏感,并验证了这些指标在解开工作负载如何影响扫描路径模式的视觉难题方面的作用,扫描路径模式有助于量化配对随时间的适应过程。这也有可能为未来的实时技术设计提供信息。
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引用次数: 0
Assessing Drivers’ Mental Model Of Advanced Driver Assistance Systems Using Signal Detection Theory 利用信号检测理论评估高级驾驶辅助系统驾驶员的心理模型
Chunxi Huang, Song Yan, Dengbo He
Previous studies evaluated drivers’ knowledge of advanced driver assistance systems (ADAS) using different kinds of percent-correctness-based mental model scores (MMS), which makes cross-study comparisons difficult. To resolve this issue, our study explored the use of sensitivity (i.e., d-prime ( d’)) and response bias (i.e., criterion location ( c)) in signal detection theory (SDT) as a measure of drivers’ ADAS mental models. Based on the data collected from a survey among 287 ADAS users, regression models were fitted, and it was found that d’ and c accounted for a large variance when estimating drivers’ ADAS mental models as measured by MMSs (adjusted R 2 > 0.8). Further, predictors of MMSs were also predictors of d’ and c, but d’ and c include additional information that was not covered in MMSs. These findings support the usage of d’ and c as standard metrics for assessing drivers’ ADAS mental models in future research.
先前的研究使用不同种类的基于百分比正确率的心智模型分数(MMS)来评估驾驶员对高级驾驶辅助系统(ADAS)的知识,这使得交叉研究比较变得困难。为了解决这个问题,我们的研究探索了在信号检测理论(SDT)中使用灵敏度(即d ')和反应偏差(即标准位置(c))作为驾驶员ADAS心理模型的度量。基于对287名ADAS用户的调查数据,对回归模型进行拟合,发现mms(调整后的r2 >0.8)。此外,mss的预测因子也是d '和c的预测因子,但d '和c包含了mss未涵盖的额外信息。这些发现支持在未来的研究中使用d '和c作为评估驾驶员ADAS心智模型的标准指标。
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引用次数: 0
A new taxonomy to categorize flexible work arrangements for post-covid organizational work planning 一种新的分类方法,对灵活的工作安排进行分类,以便在疫情后进行组织工作规划
Wenbi Wang, Jimmy Le
Flexible work arrangements (FWA) widely proliferated around the world during the covid pandemic lockdown. A new multi-dimensional taxonomy was proposed in this paper to classify different forms of FWA according to the degree of autonomy that a policy offers to employees with respect to their spatial mobility, temporal flexibility, and the degree of freedom from supervision. This taxonomy reflects the defining features of contemporary flexible working. It enables researchers and business decision-makers to categorize different forms of FWA, meaningfully compare their impacts on organizational and individual performance metrics, and support an evidence-based approach to inform the establishment of post-pandemic FWA policies.
在新冠疫情期间,灵活工作安排(FWA)在世界各地广泛推广。本文提出了一种新的多维分类方法,根据政策为员工提供的空间流动性、时间灵活性和不受监督的自由度,对不同形式的自由劳动进行分类。这种分类反映了当代灵活工作的特征。它使研究人员和商业决策者能够对不同形式的食物外劳进行分类,有意义地比较它们对组织和个人绩效指标的影响,并支持以证据为基础的方法,为大流行后食物外劳政策的制定提供信息。
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引用次数: 0
Interpersonal and Human-Automation Trust in an Underwater Mine Detection Task 水下水雷探测任务中的人际信任与人-自动化信任
Grace Barnhart, Shala Knocton, Aren Hunter, Lori Dithurbide, Heather Neyedli
In target detection tasks false alarms (i.e., indicating a target is present when it is absent) decrease trust more than misses. Furthermore, human advisors providing advice at the same time as automation, may impact how users trust and subsequently rely on automated aids. This study aimed to understand whether the false alarm rate (FAR) of an automated target recognition aid impacts trust in the automated aid, trust in a human teammate, or operator self-confidence in a dual-advisor target detection task. Participants completed a mine detection task while receiving advice from a human and an automated advisor. The FAR of the automation was manipulated between groups and trust in each type of advisor was measured. Automation FAR did not influence trust in the automation. Low FAR automation was associated with higher trust in a human teammate and increasing self-confidence over the course of the experiment.
在目标检测任务中,假警报(即,当目标不存在时表明目标存在)比误报更能降低信任。此外,人工顾问在自动化的同时提供建议,可能会影响用户对自动化辅助的信任和随后的依赖。本研究旨在了解自动目标识别辅助的误报率(FAR)是否会影响对自动辅助的信任,对人类队友的信任,或在双顾问目标检测任务中操作员的自信心。参与者在接受人类和自动顾问的建议的同时完成了地雷探测任务。在小组之间操纵自动化的FAR,并测量对每种顾问类型的信任。自动化FAR并不影响对自动化的信任。在实验过程中,较低的FAR自动化程度与对人类队友的更高信任和自信心的增加有关。
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引用次数: 0
Investigating User Preferences for Conversation Design of Voice Assistant Systems using Linguistic Features 使用语言特征调查语音助理系统对话设计的用户偏好
Lilit Sargsyan, Seungju Choi, Sang-Hwan Kim
As the use of voice assistant (VA) systems is increasing, conversation design in the system is important for effective human-system interaction. The objective of the study was to investigate the level of user preference for VA outputs in terms of linguistics. Answers of three VA systems for each of the nine questions were collected and categorized for distinctive linguistic factors such as type of theme, thematic progression, number of predications, and ellipsis. The VA answers were evaluated through an online survey. Results show that linguistic factors and features significantly affect user preference for VA outputs. The results imply that the linguistic features need to be considered for designing voice interaction communications as a natural interaction method.
随着语音助理系统应用的日益广泛,语音助理系统中的会话设计对于实现人机有效交互具有重要意义。该研究的目的是调查用户对语言输出的偏好水平。收集了三个VA系统对九个问题中的每个问题的答案,并根据不同的语言因素(如主题类型、主题进展、谓语数量和省略)进行了分类。退伍军人事务部的回答是通过在线调查进行评估的。结果表明,语言因素和特征显著影响用户对VA输出的偏好。结果表明,在设计语音交互通信作为一种自然交互方式时,需要考虑语言特征。
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引用次数: 0
A Conditional Variational Auto-encoder Model for Reducing Musculoskeletal Disorder Risk during a Human-Robot Collaboration Task 降低人机协作任务中肌肉骨骼疾病风险的条件变分自编码器模型
Liwei Qing, Bingyi Su, Ziyang Xie, Sehee Jung, Lu Lu, Hanwen Wang, Xu Xu, Edward P. Fitts
In recent years, there has been a trend to adopt human-robot collaboration (HRC) in the industry. In previous studies, computer vision-aided human pose reconstruction is applied to find the optimal position of point of operation in HRC that can reduce workers’ musculoskeletal disorder (MSD) risks due to awkward working postures. However, the reconstruction of human pose through computer-vision may fail due to the complexity of the workplace environment. In this study, we propose a data-driven method for optimizing the position of point of operation during HRC. A conditional variational auto-encoder (cVAE) model-based approach is adopted, which includes three steps. First, a cVAE model was trained using an open-access multimodal human posture dataset. After training, this model can output a simulated worker posture of which the hand position can reach a given position of point of operation. Next, an awkward posture score is calculated to evaluate MSD risks associated with the generated postures with a variety of positions of point of operation. The position of point of operation that is associated with a minimum awkward posture score is then selected for an HRC task. An experiment was conducted to validate the effectiveness of this method. According to the findings, the proposed method produced a point of operation position that was similar to the one chosen by participants through subjective selection, with an average difference of 4.5 cm.
近年来,工业上出现了采用人机协作(HRC)的趋势。在以往的研究中,利用计算机视觉辅助人体姿势重建来寻找HRC中操作点的最佳位置,以降低工人因工作姿势尴尬而导致的肌肉骨骼疾病(MSD)风险。然而,由于工作环境的复杂性,通过计算机视觉重建人体姿势可能会失败。在这项研究中,我们提出了一种数据驱动的方法来优化HRC期间操作点的位置。采用了一种基于条件变分自编码器(cVAE)模型的方法,该方法包括三个步骤。首先,使用开放获取的多模态人体姿态数据集训练cVAE模型。经过训练后,该模型可以输出一个模拟的工人姿势,其中手的位置可以达到给定的操作点位置。其次,计算尴尬姿势得分,以评估不同操作点位置产生的姿势与MSD风险的关系。然后选择与最小尴尬姿势得分相关的操作点位置进行HRC任务。通过实验验证了该方法的有效性。结果表明,所提出的方法产生的操作点位置与参与者主观选择的位置相似,平均相差4.5 cm。
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引用次数: 0
Law Enforcement Uniforms and Public Perception: An Overview and Pilot Study 执法制服与公众认知:概览与试点研究
Braden Westby, Richard Stone, Colten Fales, Desmond Bonner
In a delicate balancing act between improving public relations and enhancing functionality and safety, law enforcement agencies often revisit the standards for their uniforms. Many experiments have been conducted over the years in reference to uniform color, but comparatively little research has been conducted relating to the implementation of accessories. In this study, we demonstrate that the use of “formal accessories” (as worn on a Class A uniform) may impact the public’s perception of police, particularly in reference to their perceived professionalism, authority, competence, and approachability.
为了在改善公共关系与加强功能和安全之间取得微妙的平衡,执法机构经常重新审视他们的制服标准。多年来,在统一颜色方面进行了许多实验,但与配件的实施有关的研究相对较少。在这项研究中,我们证明使用“正式配件”(如在a级制服上佩戴)可能会影响公众对警察的看法,特别是在他们的专业精神、权威、能力和可接近性方面。
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引用次数: 0
期刊
Proceedings of the Human Factors and Ergonomics Society ... Annual Meeting. Human Factors and Ergonomics Society. Annual meeting
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