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The purpose of this paper is to identify the factors that explain the acceptance of self-service ordering systems (SOSs) for restaurants and to explore the effects of “self-service system service quality” (SSQ) and “interpersonal service quality” (ISQ) on the acceptance factors extended from the Unified Theory of Acceptance and Use of Technology model.

This study targets customers who have recently used SOSs to order foods in middle-class restaurants. In total, 402 valid survey samples were obtained. Partial least squares (PLS) analysis was used to examine the factors of user acceptance of using SOSs.

The results of the PLS-SEM analysis indicate that SSQ has a significant effect on accuracy expectancy, speed expectancy and effort expectancy; ISQ has a significant effect on accuracy expectancy, speed expectancy, effort expectancy and facilitating conditions; and accuracy expectancy, speed expectancy, effort expectancy, social influence, facilitating conditions and budget expectancy significantly influence user acceptance of SOSs. Furthermore, user experiences moderate the effect of speed expectancy and effort expectancy on user acceptance.

This study introduces three technology acceptance factors (accuracy, speed and budget) for researchers to consider in the future. It also extends the knowledge about the human service factor when middle-class restaurants adopt self-service technologies (SSTs). Recommendations are provided for system developers to improve the system quality of SSTs and service staff to rethink their roles in adopting SSTs in the service industry.

本文研究目的有:（1）确认解释客人接受餐厅自助订餐系统（SOSs）的决定因素（2）探索自助系统服务质量（SSQ）和人机服务质量（ISQ）对于UTAUT模型科技接受因素的作用。

本论文的目标受众为近期使用过SOSs在中等餐厅点餐过的客人。样本为402份有效问卷数据。本论文使用PLS分析检测用户接受SOSs的各项因素。

PLS-SEM分析结果表明, SSQ对准确预期、速度预期、努力预期, 有显著作用; ISQ对于准确预期、速度预期、努力预期、以及辅助条件, 有显著作用; 准确预期、速度预期、努力预期、社会影响、辅助条件、以及预算预期对于SOSs用户接受有显著作用。此外, 用户体验调节速度预期和努力预期对于用户接受的作用。

本论文新增了三种科技接受因子（准确度、速度、和预算）, 为未来的科研创造土壤。本论文还扩展了我们对于人员服务因子在中等餐厅采用SSTs的认知。本论文建议系统开发者应该提高SST系统质量, 以及建议服务人员重新审视在服务产业采用SST中自己的位置。

Online travel agencies (OTAs) have been offering tourists trip planning services (TPS) for more than a decade. However, they are less popular than other online travel services such as metasearch with price comparison. This study aims to investigate why TPS on the internet, although important to tourists, are not well accepted by young mainland Chinese tourists.

A trip planning service acceptance model (TPSAM) was constructed and tested by inviting participants to take part in a trial using the TPS of a China OTA and then participants were asked to complete a questionnaire based on their user experience. Partial least square technique was used to perform a path analysis on the model.

Social influence and effort expectancy have significant direct influence on reuse intention. Social influence increases the trust level of the tourists on the TPS and effort expectancy’s strong influence on joy suggest that a joyful and effortless experience is critical for tourists to consider reusing the TPS.

The findings could provide some insight to the OTAs on improving their TPS. For instance, OTAs should let tourists feel that the TPS requires little effort and is fun to use and more promotion is needed through social media.

Although trip planning is essential for tourists in achieving a delightful travel experience, few studies have examined the adoption of Web-based TPS. This study contributes to the literature by establishing a TPSAM and extends previous work by showing that a causal relationship exists between social influence and trust in the service acceptance context.

线上旅游代理（OTA）已经十多年为游客提供旅游计划服务（TPS）。然而, OTA比其他在线旅游服务相较则受欢迎程度下降, 比如价格比对的元搜索服务。本论文旨在研究网络TPS, 即便对游客重要, 但是为什么不受中国大陆年轻游客的欢迎。

本论文通过邀请受访者参与中国OTA提供的旅游计划服务试点样品, 并完成针对他们的用户体验的问卷, 来开发和测验这个旅游计划服务接受模型（TPSAM）。本论文采用PLS分析法来测验模型。

社会影响和努力预期对再使用意图起到直接影响。社会影响增强了游客对TPS的信任度, 努力预期对愉悦感有强烈影响, 这预示着对于游客而言, 一个愉悦的且不太费劲的体验对于再次使用TPS起到关键作用。

本论文研究结果对于OTA增强其TPS起到启示作用。比如, OTA应该让游客感受TPS不需要费很多力气来学习使用并且使用过程很有趣, 此外, 通过社交媒体来增强更多宣传是有必要的。

尽管旅游计划对游客而言获得愉快旅游体验是必要的, 然而, 很少文章研究线上TPS使用现象。本论文建立了TPSAM, 对理论做出贡献, 并且本论文对之前的文献做出扩展, 验证了服务接受背景下社会影响和信任之间的直接联系。

Based on the unified theory of acceptance and use of technology (UTAUT2), the purpose of this study was to examine users’ continued usage intention of mobile event application (MEA) technology.

A self-administered online survey was used to collect the study data from 407 MEA users, and structural equation modeling was used to test the study’s hypotheses.

The study’s results revealed that users’ continued usage behavior was positively influenced by effort expectancy, performance expectancy, habit, facilitating condition and perceived security. The study’s results further indicated that personal innovativeness had a positive impact on effort expectancy and performance expectancy.

The findings of the current study deliver important practical implications for event organizers and event technology vendors for identifying factors affecting MEA users’ continued usage intention.

By extending UTAUT2, the current study is one of the first studies that examined users’ intention to continue to use MEA technology.

论影响参会人员继续使用移动会展App的因素

本论文基于UTAUT2模型, 旨在检验用户继续使用移动会展App（MEA）的影响因子。

本论文采用网上问卷的形式, 样本数据为407为MEA用户, 使用SEM来验证研究假设。

研究结果表明, 用户继续使用行为受到以下因子的正向影响：努力预期、效果预期、习惯、辅助条件、以及感知安全。本论文结果进一步表明个人创新对努力预期和效果预期有着积极影响。

本论文结果为会展组织者和会展科技商指出了影响MEA用户继续使用意图的影响因子, 提供了有价值的启示。

本论文拓展了UTAUT2模型, 是首批验证用户继续使用MEA科技的文章之一。