When digitalized customers meet digitalized services: A digitalized social cognitive perspective of omnichannel service usage     

《International Journal of Information Management》2020

With the prevalence of digital technologies, various services have grown digitalized. Specific to the marketing section, multichannel has been gradually replaced by omnichannel, which aims to integrate all the physical and digital channels tightly. Although omnichannel has received considerable attention, there is still a dearth of research that theorizes the multi-faceted impacts of digitalization on omnichannel. This study thus extends social cognitive theory (SCT) to the digitalized context and contextualizes the digitalized customer and digitalized environment as mobile identity and channel integration quality, respectively. Moreover, based on the self-regulation process of human agency, we incorporate omnichannel self-efficacy, satisfaction, and habit as the agentic factors to interpret a customer’s conscious (ability and expectancy beliefs) and unconscious (automatic behavioral tendency) decision-making under the omnichannel setting. Through an online survey of 401 omnichannel customers, we find support for all the proposed hypotheses. Implications and limitations of this study are further discussed.  相似文献   

Effects of an aerobic fitness test on short- and long-term memory in elementary-aged children     

Jennifer L. Etnier  Paul M. Sprick  Jeffrey D. Labban  Chia-Hao Shih  Stephen M. Glass  Jarod C. Vance 《Journal of sports sciences》2020,38(19):2264-2272

ABSTRACT

Meta-analytic evidence supports that exercise has benefits for short-term memory (STM) and long-term memory (LTM). However, only three studies with children have tested the differential effects of exercise on STM and LTM. The purpose of this study was to examine the effects of an aerobic fitness test on STM and LTM and to consider the moderating effects of grade level. Children (7–13 years of age) were randomly assigned to either perform an aerobic fitness test before (exercise prior) or after (exercise post) performing the Rey Auditory Verbal Learning Test (RAVLT) to assess memory. Memory was tested again after approximately 24 hours. There were significant differences in memory performance as a function of grade with 4^th and 6^th graders consistently outperforming 2^nd graders. For learning, Day 1 Retention, 24-hr recall, and Day 2 Retention, the exercise prior group performed better than the exercise post group. It is concluded that an aerobic fitness test performed prior to a declarative memory test benefits LTM as compared to when the aerobic fitness test is performed after the memory test.  相似文献   

新媒体用户的内容消费特征与媒介使用模式——以百度百家号的调研分析结论为例(2)     

喻国明学术工作室  喻国明  刘淼  韩婷 《传媒观察》2020,(5):32-38

本文把视线聚焦在新媒体的媒体语境当中,以百度百家号为例,考察了新媒体用户在内容层面、认知层面和行为层面上的认知与使用模式。基于对百度百家号用户媒介认知与媒介使用情况的网络问卷调查数据,本研究从新媒体用户重点关注的文章类型、内容来源的关注度以及网络内容的信任度三个方面分析了新媒体用户的内容消费特征并提出了优化网络内容平台内容建设机制及信息扩散机制的策略与建议。在用户层面,需重点培养激活核心用户以提升内容生态的活跃度;在平台层面,需纳入优质内容资源,重视品牌建设。  相似文献   

12周惯性哑铃练习对轻度认知损害老年人的干预效果     

吕娇娇  黄灵燕  刘宇 《上海体育学院学报》2020,(5):63-69,80

目的观察12周惯性哑铃练习对轻度认知损害(MCI)老年人认知功能、身体活动能力、生活质量和睡眠质量的影响,并探讨认知改善与其他功能改变之间的关系。方法将45名MCI老年人随机分为干预组(n=22)和对照组(n=23)。干预组受试者进行惯性哑铃练习(3次/周,60 min/次,持续12周),对照组不进行运动干预。结果 12周后,干预组受试者阿尔茨海默病评定量表-认知部分(ADAS-Cog)总分/指令得分、蒙特利尔认知评估量表(MoCA)评分、起立行走计时(TUG)和SF-36健康调查问卷(SF-36)心理总得分均显著改善(均P<0.05)。与对照组相比,干预组受试者ADAS-Cog总分/单词回忆得分/注意力得分、简明精神量表(MMSE)评分、TUG和匹兹堡睡眠指数(PSQI)的改善程度均具有显著差异(P<0.05或P=0.05)。偏相关分析结果显示,SF-36心理总得分改变(r=-0.712)、PSQI改变(r=-0.380)与认知改善程度均呈显著负相关。结论 12周惯性哑铃练习可显著提高MCI老年人的认知功能,并对其移动能力、生活质量和睡眠质量具有积极影响,且心理和睡眠改变程度可能影响认知功能的改善效果。  相似文献   

Study Abroad Experience and Career Decision-Making: A Qualitative Study of Chinese Students     

WU Yihan 《Frontiers of Education in China》2020,15(2):313

  相似文献   

基于SRPE竞速运动项目训练负荷评价方法的实证研究     

谢云  耿海峰  李赞 《中国体育科技》2020,(2):30-38

目的:基于自行车运动员的训练负荷实证评价,探讨竞速运动项目训练负荷主观感知疲劳评价(session rating of perceived exertion,SRPE)的有效性,并证明训练因素[心率(HR)、训练压力分数(TSS)、训练刺激量(TRIMP)、代谢当量(MET)、能量消耗(EE)]与非训练因素(自感疲劳、压力等级、睡眠质量、肌肉酸痛、训练积极性)对训练负荷量(SRPETL)的影响作用。方法:10名优秀职业自行车运动员(均为男性),测试开始前1周均未进行过大强度运动。运用SRPE、心率计(Garmin佳明HRM-tri)、码表(Garmin佳明edge 200)、身心恢复测试量表等对42天的高原训练负荷进行测试。内部负荷采用SRPE-TL、ETRIMP、ETRIMP、%HRmax表示,外部负荷采用TSS、MET、EE表示。结果:平均每周的SRPE-TL为5 300±1 512 AU。训练单调性(TM)为2.22±0.81 AU,训练应激(TS)为12 766±1 334 AU。SRPE-TL与各测试指标之间具有显著相关性(r=0.58~0.81)。逐步多元回归分析结果表明ETRIMP、TSS、自感疲劳、肌肉酸痛和压力等级可以解释SRPE-TL 71.8%的变异程度(Y=453.12+2.99 ETRIMP+1.20 TSS-114.81自感疲劳-111.30肌肉酸痛+85.81压力等级)。结论:SRPE是评价竞速项目训练负荷的一种有效手段,并且SRPETL是一个全域性指标,且训练因素与非训练因素均对运动员感知疲劳有影响作用。  相似文献   

Diagnosing Teachers’ Understandings of Rational Numbers: Building a Multidimensional Test Within the Diagnostic Classification Framework     

Laine Bradshaw  Andrew Izsák  Jonathan Templin  Erik Jacobson 《Educational Measurement》2014,33(1):2-14

We report a multidimensional test that examines middle grades teachers’ understanding of fraction arithmetic, especially multiplication and division. The test is based on four attributes identified through an analysis of the extensive mathematics education research literature on teachers’ and students’ reasoning in this content area. We administered the test to a national sample of 990 in‐service middle grades teachers and analyzed the item responses using the log‐linear cognitive diagnosis model. We report the diagnostic quality of the test at the item level, mastery classifications for teachers, and attribute relationships. Our results demonstrate that, when a test is grounded in research on cognition and is designed to be multidimensional from the onset, it is possible to use diagnostic classification models to detect distinct patterns of attribute mastery.  相似文献   

Effects of pairs of problems and examples on task performance and different types of cognitive load     

《Learning and Instruction》2014

In two studies, we investigated whether a recently developed psychometric instrument can differentiate intrinsic, extraneous, and germane cognitive load. Study I revealed a similar three-factor solution for language learning (n = 108) and a statistics lecture (n = 174), and statistics exam scores correlated negatively with the factors assumed to represent intrinsic and extraneous cognitive load during the lecture. In Study II, university freshmen who studied applications of Bayes' theorem in example–example (n = 18) or example–problem (n = 18) condition demonstrated better posttest performance than their peers who studied the applications in problem–example (n = 18) or problem–problem (n = 20) condition, and a slightly modified version of the aforementioned psychometric instrument could help researchers to differentiate intrinsic and extraneous cognitive load. The findings provide support for a recent reconceptualization of germane cognitive load as referring to the actual working memory resources devoted to dealing with intrinsic cognitive load.  相似文献   

Is there a role for direct instruction in problem-based learning? Comparing student-constructed versus integrated model answers     

《Learning and Instruction》2014

Problem-based learning (PBL) requires students to formulate learning issues that need to be answered by studying multiple literature resources. Advocates of high instructional guidance argue that this is too cognitively demanding for students and ineffective for learning. Therefore, we examined the effects of studying an integrated model answer in the self-study phase in PBL. Participants (N = 62) engaged in a simulated group discussion, ending with the establishment of learning issues. Then they either studied integrated model answers to the learning issues, or undertook a standard PBL self-study phase in which students needed to construct their own answers based on multiple literature resources. Higher learning outcomes were obtained for the participants who studied integrated model answers when compared to the participants who constructed their own answers. These higher learning outcomes were obtained with lower investment of self-study and equal investment of mental effort during learning.  相似文献   

谎言的语用特征     

曹悦 《重庆职业技术学院学报》2011,20(3):51-53

谎言是一种语用现象,多发生在言语交际中,因此必须有交际者及其认知语境因素的参与。交际者的主体性、认知语境的因人而异性和动态性使得谎言具有主体性、灵活性和动态性的特征。  相似文献