使用网络会议软件运行在线实验

Jiawei Li, Stephen Leider, D. Beil, Izak Duenyas
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引用次数: 11

摘要

我们报告了一项运行在线实验的新协议的结果,该协议将在线实验平台与两种格式的网络会议软件(带和不带受试者网络摄像头)相结合,以提高受试者的注意力和参与度。我们将同一实验的在线会话与离线(实验室)会话的结果进行比较。我们发现,两种线上模式的受试者特征和表现与线下(实验室)实验相当。然而,与没有网络摄像头的协议相比,有网络摄像头的协议具有更少的噪声数据,因此具有更好的统计能力。与离线(实验室)协议相比,网络摄像头协议可以在具有可比样本量的情况下检测到合理的效应大小。
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Running online experiments using web-conferencing software
We report the results of a novel protocol for running online experiments using a combination of an online experimental platform in parallel with web-conferencing software in two formats—with and without subject webcams—to improve subjects’ attention and engagement. We compare the results between our online sessions with the offline (lab) sessions of the same experiment. We find that both online formats lead to comparable subject characteristics and performance as the offline (lab) experiment. However, the webcam-on protocol has less noisy data, and hence better statistical power, than the protocol without a webcam. The webcam-on protocol can detect reasonable effect sizes with a comparable sample size as in the offline (lab) protocol.
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