Using Relational Agents to Promote Exercise and Sun Protection: Assessment of Participants' Experiences With Two Interventions.
Using Relational Agents to Promote Exercise and Sun Protection: Assessment of Participants' Experiences With Two Interventions.
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DOI：
10.2196/jmir.7640
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发表时间：
2018-02-07
影响因子：
7.4
通讯作者：
Velicer WF
中科院分区：
文献类型：
--
作者：
Sillice MA;Morokoff PJ;Ferszt G;Bickmore T;Bock BC;Lantini R;Velicer WF
关系代理（RA）是电子计算数字，旨在吸引参与者在变化过程中。最近的一项研究，项目RAISE，测试了RA的有效性，结合现有的基于计算机的干预措施，以增加定期锻炼和防晒行为。结果表明，这些干预措施可能是有效的，但需要进一步发展。本研究的目的是检查参与者的经验，使用RA，以增加参与者的参与和促进行为改变。主要采用定性方法。一个25个问题的访谈指南评估了参与者对干预的不同体验，包括动机、参与度、满意度或不满意度、与RA互动的质量以及行为变化。满意度的定量评估以1至10分为基础，1分代表最不满意，10分代表最满意。一个总结性的分析方法被用来评估个人的定性反应。一个单一的方差分析（ANOVA）检查满意度按性别。在最初的1354名参与者中，1354名参与者中的490名（36%）被分配到RA组。分配到RA组的490名参与者中有216名（44%）完成了干预措施，并联系了后续评估以参与半结构化访谈。216人中共有34人（16%）完成了访谈。参与者对干预措施感到满意。参与者认为RA是支持性的，信息丰富的，关心的，并报告了积极的行为变化，在运动和防晒。一些参与者（15/34，44%）指出，与人类顾问相比，RA不那么武断，也不那么“霸道”;其他参与者（12/34，35%）说，互动有时重复或过于笼统。大多数参与者（22/34，65%）认为RA是他们运动、防晒或两者兼而有之的行为改变的重要因素。满意度从7到10不等。在满意度方面没有发现性别差异（P = 0.51）。RA提供了一个创新和有吸引力的平台，以增加锻炼和防晒行为，并可能增加其他健康行为。
Relational agents (RAs) are electronic computational figures designed to engage participants in the change process. A recent study, Project RAISE, tested the effectiveness of RAs, combined with existing computer-based interventions to increase regular exercise and sun protection behaviors. Results showed these interventions can be effective but need further development. The purpose of this study was to examine participants’ experiences using RAs to increase participant engagement and promote behavior change . A qualitative approach was primarily utilized. A 25-question interview guide assessed different components of participants’ experiences with the intervention, including motivation, engagement, satisfaction or dissatisfaction, quality of their interaction with the RA, and behavior change. Quantitative assessment of satisfaction was based on a scale of 1 to 10, with 1 representing least satisfied and 10 representing most satisfied. A summative analytic approach was used to assess individuals’ qualitative responses. A single analysis of variance (ANOVA) examined levels of satisfaction by gender. Of the original 1354 participants enrolled in Project RAISE, 490 of 1354 (36%) were assigned to the RA group. A sample of 216 out of 490 (44%) participants assigned to the RA group completed the interventions, and follow-up assessments were contacted to participate in the semistructured interview. A total of 34 out of 216 (16%) completed the interview. Participants were motivated by, and satisfied with, the intervention. Participants viewed the RA as supportive, informative, caring, and reported positive behavior change in both exercise and sun protection. Some participants (15/34, 44%) noted the RA was less judgmental and less “overbearing” compared with a human counselor; other participants (12/34, 35%) said that the interaction was sometimes repetitive or overly general. The majority of participants (22/34, 65%) viewed the RA as an important contributor to their behavior change for exercise, sun protection, or both. Levels of satisfaction ranged between 7 and 10. There were no gender differences noted in levels of satisfaction (P=.51). RAs provide an innovative and attractive platform to increase exercise and sun protection behaviors and potentially other health behaviors.
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