| 来源类型 | Publication |
| What Does It Mean When a Study Finds No Effects? | |
| Neil Seftor | |
| 发表日期 | 2016-10-27 |
| 出版者 | Washington, DC: U.S. Department of Education, Institute of Education Sciences, National Center for Education Evaluation and Regional Assistance |
| 出版年 | 2016 |
| 语种 | 英语 |
| 概述 | To measure program effectiveness, research studies compare outcomes for a group that received a program to outcomes of a group that did not.", |
| 摘要 | Suppose you work for a school or district and need to make a decision about a program. For instance, maybe you are thinking about switching curricula or implementing a new schoolwide intervention aimed at behavior. You pick up a study of the program and read that there is no effect. What could have caused that result, and what does it mean? This brief explains what to look for in a study that finds no effect and how you can think about what to do next.
To measure program effectiveness, research studies compare outcomes for a group that received a program to outcomes of a group that did not. When a difference is not likely due to chance alone (that is, it is statistically significant), we say that the program had an effect. |
| URL | https://www.mathematica.org/our-publications-and-findings/publications/what-does-it-mean-when-a-study-finds-no-effects |
| 来源智库 | Mathematica Policy Research (United States) |
| 资源类型 | 智库出版物 |
| 条目标识符 | http://119.78.100.153/handle/2XGU8XDN/488662 |
| 推荐引用方式 GB/T 7714 | Neil Seftor. What Does It Mean When a Study Finds No Effects?. 2016. |
| 条目包含的文件 | ||||||
| 文件名称/大小 | 资源类型 | 版本类型 | 开放类型 | 使用许可 | ||
| REL Study no effects（253KB） | 智库出版物 | 限制开放 | CC BY-NC-SA | 浏览 | ||
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