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Investigating Sources of Treatment Effect Heterogeneity in Intervention Research.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Investigating Sources of Treatment Effect Heterogeneity in Intervention Research./
作者:	Asher, Catherine Armstrong.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
面頁冊數:	130 p.
附註:	Source: Dissertations Abstracts International, Volume: 83-02, Section: A.
Contained By:	Dissertations Abstracts International83-02A.
標題:	Education policy. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28498334
ISBN:	9798534680799

Investigating Sources of Treatment Effect Heterogeneity in Intervention Research.
Asher, Catherine Armstrong.

Investigating Sources of Treatment Effect Heterogeneity in Intervention Research. - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 130 p.

Source: Dissertations Abstracts International, Volume: 83-02, Section: A.

Thesis (Ph.D.)--Harvard University, 2021.

This item must not be sold to any third party vendors.

Intervention research in education investigates whether and how particular educational programs help students learn. Treatment effect heterogeneity, or variation in a program's impact, makes this effort more complicated, because it means more work must be done to understand what works, for whom, and in what contexts. This dissertation consists of three papers that explore distinct sources of treatment effect heterogeneity in the context of educational interventions.The first paper, co-authored with Ethan Scherer, uses a factorial design to compare the effectiveness of three features in a reading-focused text messaging intervention: personalized information about students' observed reading behaviors, goal setting for summer reading, and framing the purpose of reading as useful for skill-building (an instrumental view), a fun activity (an entertainment view), or both. We find that that personalized messages increase the amount of summer reading and students' reading skills when they return to school in the fall. The effects of personalized information on test scores are amplified when families receive a combination of instrumental and entertainment-framed messages. We find no evidence of impacts for goal setting. The second paper investigates how the effects of a district-run, universal-access pre-K program vary based on the access of the control group to different counterfactual options. Using administrative records and program waitlists, I reconstruct a matched sample that was plausibly randomized, either to receive a space in the district pre-K program or not. While on average I find no evidence of an impact of the pre-K program on kindergarten readiness, I find large positive effects in communities where the control group students are more likely to report either not attending pre-K or attending a different subsidized pre-K program.The third paper considers an emerging experimental design in education research: Sequential Multiple Assignment Randomized Trials (or SMARTs), which are used to develop, refine, and test adaptive interventions. I use principal stratification to identify endogenous subgroups determined by how individuals respond to each of the Phase 1 treatments, and I use these strata to highlight a latent assumption in current analytic techniques. I also present a simulation study to explore the magnitude of estimation bias when this assumption is violated.

ISBN: 9798534680799Subjects--Topical Terms:

2191387
Education policy.
Subjects--Index Terms:

Treatment

Investigating Sources of Treatment Effect Heterogeneity in Intervention Research.
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