Effects of generative artificial intelligence on cognitive effort and task performance: study protocol for a randomized controlled experiment among college students.

IF 2 4区 医学 Q3 MEDICINE, RESEARCH & EXPERIMENTAL
Trials Pub Date : 2025-07-11 DOI:10.1186/s13063-025-08950-3
Youjie Chen, Yingying Wang, Torsten Wüstenberg, Rene F Kizilcec, Yiwen Fan, Yanfei Li, Bin Lu, Meng Yuan, Junlai Zhang, Ziyue Zhang, Pascal Geldsetzer, Simiao Chen, Till Bärnighausen
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引用次数: 0

Abstract

Background: The advancement of generative artificial intelligence (AI) has shown great potential to enhance productivity in many cognitive tasks. However, concerns are raised that the use of generative AI may erode human cognition due to over-reliance. Conversely, others argue that generative AI holds the promise to augment human cognition by automating menial tasks and offering insights that extend one's cognitive abilities. To better understand the role of generative AI in human cognition, we study how college students use a generative AI tool to support their analytical writing in an educational context. We will examine the effect of using generative AI on cognitive effort, a major aspect of human cognition that reflects the extent of mental resources an individual allocates during the cognitive process. We will also examine the effect on writing performance achieved through the human-generative AI collaboration.

Methods: This study is a randomized controlled lab experiment that compares the effects of using generative AI (intervention group) versus not using it (control group) on cognitive effort and writing performance in an analytical writing task designed as a hypothetical writing class assignment for college students. During the experiment, eye-tracking technology will monitor eye movements and pupil dilation. Functional near-infrared spectroscopy (fNIRS) will collect brain hemodynamic responses. A survey will measure individuals' perceptions of the writing task and their attitudes on generative AI. We will recruit 160 participants (aged 18-35 years) from a German university where the research will be conducted.

Discussion: This trial aims to establish the causal effects of generative AI on cognitive effort and task performance through a randomized controlled experiment. The findings aim to offer insights for policymakers in regulating generative AI and inform the responsible design and use of generative AI tools.

Trial registration:

Clinicaltrials: gov NCT06511102. Registered on July 15, 2024. https://clinicaltrials.gov/study/NCT06511102.

生成性人工智能对大学生认知努力和任务绩效的影响:随机对照实验研究方案。
背景:生成式人工智能(AI)的进步显示出在许多认知任务中提高生产力的巨大潜力。然而,有人担心,由于过度依赖,生成式人工智能的使用可能会削弱人类的认知能力。相反,另一些人则认为,生成式人工智能有望通过自动化卑微的任务和提供扩展人的认知能力的见解来增强人类的认知。为了更好地理解生成人工智能在人类认知中的作用,我们研究了大学生如何在教育背景下使用生成人工智能工具来支持他们的分析性写作。我们将研究使用生成式人工智能对认知努力的影响,认知努力是人类认知的一个主要方面,反映了个体在认知过程中分配的智力资源的程度。我们还将研究通过人类生成人工智能协作对写作表现的影响。方法:本研究是一项随机对照实验室实验,比较使用生成式人工智能(干预组)与不使用生成式人工智能(对照组)对大学生分析性写作任务的认知努力和写作表现的影响。在实验过程中,眼球追踪技术将监测眼球运动和瞳孔扩张。功能近红外光谱(fNIRS)将收集脑血流动力学反应。一项调查将衡量个人对写作任务的看法以及他们对生成式人工智能的态度。我们将从德国一所大学招募160名参与者(年龄在18-35岁),他们将在那里进行研究。讨论:本试验旨在通过随机对照实验建立生成式人工智能对认知努力和任务绩效的因果关系。研究结果旨在为政策制定者提供监管生成人工智能的见解,并为生成人工智能工具的负责任设计和使用提供信息。试验注册:Clinicaltrials: gov NCT06511102。于2024年7月15日注册。https://clinicaltrials.gov/study/NCT06511102。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Trials
Trials 医学-医学:研究与实验
CiteScore
3.80
自引率
4.00%
发文量
966
审稿时长
6 months
期刊介绍: Trials is an open access, peer-reviewed, online journal that will encompass all aspects of the performance and findings of randomized controlled trials. Trials will experiment with, and then refine, innovative approaches to improving communication about trials. We are keen to move beyond publishing traditional trial results articles (although these will be included). We believe this represents an exciting opportunity to advance the science and reporting of trials. Prior to 2006, Trials was published as Current Controlled Trials in Cardiovascular Medicine (CCTCVM). All published CCTCVM articles are available via the Trials website and citations to CCTCVM article URLs will continue to be supported.
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