大型研究提高了应用行为科学的影响力
Katherine L Milkman1, Dena Gromet2, Hung Ho3,4
1Department of Operations, Information and Decisions, The Wharton School, University of Pennsylvania, Philadelphia, PA, USA. kmilkman@wharton.upenn.edu.
Nature
|December 9, 2021
概括
大规模实地实验可以同时测试许多行为干预措施, 一项关于运动的大规模研究发现微奖励有效, 但很少有干预措施显示持续的行为变化.
科学领域:
- 行为科学
- 实验心理学
- 公共政策
背景情况:
- 政策制定者越来越多地使用行为科学来改善公民的结果.
- 单个研究往往缺乏可比性,限制了政策影响.
- 需要大规模,可比的实验来为政策提供信息.
研究的目的:
- 介绍并评估行为科学的大型研究方法.
- 在一个大规模实验中比较多种干预措施的有效性.
- 评估大型研究加速政策相关发现的潜力.
主要方法:
- 这项研究涉及到61,293名健身链成员.
- 30位科学家设计了54个不同为期四周的数字炼干预措施.
- 测量每周健身房的次数作为主要结果.
主要成果:
- 45%的干预措施显著增加了每周体育馆的次数 (9-27%).
- 最有效的干预措施是使用错过炼的微奖励.
- 只有8%的干预显示显著,持久的行为变化后干预.
- 在成功的干预中检测到延续效应.
结论:
- 大规模研究可以直接比较许多行为干预措施.
- 行为干预可以有效地增加身体活动.
- 预测干预成功是一个挑战,强调广泛测试的价值.
- 大型研究为推进基于证据的政策提供了强有力的框架.
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