学习动机、自我效能感对大学生学习能力的影响     

林国耀  连榕 《集美大学学报(教育科学版》2011,12(4):23-26

采用《大学生学习能力问卷》、《学习动机问卷》和《学习自我效能感问卷》,对福建4所本科院校567名大学生进行问卷调查研究,考察学习动机、学习自我效能感对大学生学习能力的影响。研究结果表明：大学生学习能力及其各个维度（知识获得与应用能力、学习过程自我监控能力、学习资源管理与应用能力）与学习动机各个维度（学习兴趣、内部动机、...  相似文献   

If you Build it,They Won’t Come: What Motivates Employees to Create and Share Tagged Content: A Theoretical Model and Empirical Validation     

《International Journal of Information Management》2020

The purpose of this paper is to investigate factors influencing employees’ knowledge-sharing behavior on social tagging supported systems. Using the strong theoretical background of the well-known technology acceptance model (TAM), this paper proposes and empirically validates a model that fits the social and technical nature of social tagging tools within the public sector. The analyses in this paper were based on data collected from a large survey of more than 480 respondents working for two public organizations in the United States. The findings demonstrate a significant impact of the role of social presence in encouraging employees to create and share content. Further, there is a strong relationship between the benefits employees receive from using tagging tools and their creation and sharing of tagged content. Specifically, the following factors showed a significant impact on employees’ creation and sharing behavior, specifically their attitudes towards and intentions to create and share tags: perceived ease of use, perceived usefulness, social presence, and pro-sharing norms. For researchers, the paper offers an opportunity to further study knowledge-sharing behavior regarding social media technologies. The findings should motivate practitioners to inject these tools with a social aspect so that employees are encouraged to share content.  相似文献   

Perceived Social Support and Mental Health: Cultural Orientations as Moderators     

《Journal of College Counseling》2017,20(3):194-207

This study investigated unique and shared effects of social support and cultural orientation on mental health indicators (depressive and anxiety symptoms, stress, and life satisfaction) of 896 college students. Results indicated that perceived social support predicted mental health variables and that cultural orientation variables (independent and interdependent self‐construal) moderated this association. Conclusions and counseling implications for university counselors are discussed on the basis of cultural orientation theory.  相似文献   

Short-term heat acclimation prior to a multi-day desert ultra-marathon improves physiological and psychological responses without compromising immune status     

Ashley G. B. Willmott  Mark Hayes  Kirsty A. M. Waldock  Rebecca L. Relf  Emily R. Watkins  Carl A. James 《Journal of sports sciences》2017,35(22):2249-2256

Multistage, ultra-endurance events in hot, humid conditions necessitate thermal adaptation, often achieved through short term heat acclimation (STHA), to improve performance by reducing thermoregulatory strain and perceptions of heat stress. This study investigated the physiological, perceptual and immunological responses to STHA prior to the Marathon des Sables. Eight athletes (age 42 ± 4 years and body mass 81.9 ± 15.0 kg) completed 4 days of controlled hyperthermia STHA (60 min·day^?1, 45°C and 30% relative humidity). Pre, during and post sessions, physiological and perceptual measures were recorded. Immunological measures were recorded pre-post sessions 1 and 4. STHA improved thermal comfort (P = 0.02), sensation (P = 0.03) and perceived exertion (P = 0.04). A dissociated relationship between perceptual fatigue and T_re was evident after STHA, with reductions in perceived Physical (P = 0.04) and General (P = 0.04) fatigue. Exercising T_re and HR did not change (P > 0.05) however, sweat rate increased 14% (P = 0.02). No changes were found in white blood cell counts or content (P > 0.05). Four days of STHA facilitates effective perceptual adaptations, without compromising immune status prior to an ultra-endurance race in heat stress. A greater physiological strain is required to confer optimal physiological adaptations.  相似文献   

上司支持感知对下属建言行为的影响及其作用机制   总被引：2，自引：0，他引：2  

李锐  凌文辁  方俐洛 《中国软科学》2010,(4)

在当今竞争日益激烈的商业环境中,员工的创新性想法和建议对组织的生存和发展而言就显得尤为重要.本研究采用问卷调查法,以珠三角地区企业组织的员工为研究对象,考察员工的上司支持感知对其建言行为的影响效应与作用机制.结构方程模型分析的结果表明:上司支持感知对下属的促进性建言和抑制性建言均具有显著的正向影响;组织心理所有权在上司支持感知与促进性建言之间起部分中介作用,上司信任和组织心理所有权在上司支持感知与抑制性建言之间起完全中介作用.  相似文献   

Effect of a Brazilian Jiu-jitsu-simulated tournament on strength parameters and perceptual responses     

Daniele Detanico  Rodolfo André Dellagrana  Marina Saldanha da Silva Athayde  Rafael Lima Kons  Angel Góes 《Sports biomechanics / International Society of Biomechanics in Sports》2017,16(1):115-126

This study aimed to analyse the effects of a simulated Brazilian jiu-jitsu (BJJ) tournament on vertical jump performance, grip strength test and perceived effort responses. 22 male BJJ athletes participated in a simulated tournament consisting of three 7 min matches separated by 14 min of rest. Kimono grip strength test (KGST), counter movement jump (CMJ) and rate of perceived exertion (RPE) were measured before and after each match, while RPE of specific areas was assessed after three matches. ANOVA for repeated measures was used to compare strength parameters after each match with the level of significance set at 5%. The key results showed a significant decrease of jump height (p = 0.001) and net vertical impulse in the CMJ (p = 0.031), as well as a reduction of the number of reps in the KGST (p < 0.001). A significant increase of RPE was found throughout the matches (p < 0.001). Considering the RPE in specific areas, no differences were observed between the upper and lower body (p = 0.743). We conclude that the BJJ simulated tournament generated a decrease of performance in both upper and lower limbs and provoked a progressive increase in the effort perception over the matches.  相似文献   

基于信息风险感知的社交网络舆情传播模型研究     

成俊会  赵金楼 《情报杂志》2015,(1)

结合实际的社交网络使用行为,在分析社交网络舆情传播模式的基础上,构建了社交网络舆情传播模型。详细分析了影响传播概率的主要因素,建立了以信息风险感知为主的传播概率的数学模型。仿真结果表明：获知概率的大小对舆情传播规模、弛豫时间均有影响;而信息风险感知的大小对舆情传播规模的影响不大,对弛豫时间的影响较大,究其根源在于信息风险感知直接决定了传播概率的取值,而传播概率直接决定了网络中传播者的数量。  相似文献   

互联网金融理财产品使用影响因素研究     

邱均平  杨强  郭丽琳 《情报杂志》2015,(1)

依据TAM和TPB模型,按照金融的流动性、收益性和安全性三原则,验证用户使用互联网金融理财产品的关键影响因素。以余额宝为例,收集224个量表作为样本,使用PLS方法,验证互联网金融理财产品结构化方程模型。研究发现,自我效能、感知易用、感知有用在用户使用互联网金融理财产品的影响因素中起着关键作用。自我效能对感知易用、感知有用和使用行为的影响显著。社会影响对用户感知风险和行为意向影响显著,但是影响低于自我效能。  相似文献   

Perceived severity of school bullying in elementary schools based on participants’ roles     

Li Ming Chen  Wen Cheng 《教育心理学》2015,35(4):484-496

The purpose of this study was to examine the perceived severity of school bullying among participants with different roles (victims, bullies, bullies/victims and non-involved individuals) and to determine whether interactions between type of bullying and participant roles exist. Two Olweus-like global items and a revised School Bullying Severity Scale for elementary students were used in this study. A total of 1816 valid surveys completed by students in grades 5 and 6 (mean age = 11.5, SD = .84) were collected. Data were analysed using a mixed-model two-way ANOVA. The results revealed a significant main effect of type of bullying. Physical and verbal bullying were perceived as more severe than relational and cyberbullying. A significant two-way interaction between bullying category and participant role was also identified. Bullies did not perceive the four types of victimisation behaviours differently, whereas victims and bullies/victims both rated physical victimisation as most severe and cyber-victimisation as least severe. However, effect sizes were small. Implications for bullying prevention and intervention are discussed.  相似文献   

有氧运动强度监测指标特征分析与研究     

武春英 《茂名学院学报》2015,(3):81-85

研究了运动指标中的心率、代谢当量、主观感觉程度与运动能量消耗等指标特征,首先,从心率对运动负荷的基本应答特征、运用目标心率安排锻炼负荷强度、心率测量的特征、心率的运动强度监测等方面分析了心率指标特征;其次,阐述了代谢当量指标与主观感觉程度特征及其分级指标;再次,从气体代谢分析仪与心率测试法等方面分析了运动能量消耗测定方法;最后进行了总结与建议。  相似文献