Orr LL - Search Results

1

Using a Multi-Site RCT to Predict Impacts for a Single Site: Do Better Data and Methods Yield More Accurate Predictions?

Olsen RB, Orr LL, Bell SH, Petraglia E, Badillo-Goicoechea E, Miyaoka A, Stuart EA. Olsen RB, et al. Among authors: orr ll. J Res Educ Eff. 2024;17(1):184-210. doi: 10.1080/19345747.2023.2180464. Epub 2023 Apr 13. J Res Educ Eff. 2024. PMID: 38450254 Free PMC article.

2

Some Lessons From 50 Years of Multiarm Public Policy Experiments.

Orr LL, Gubits D. Orr LL, et al. Eval Rev. 2023 Feb;47(1):43-70. doi: 10.1177/0193841X20977332. Epub 2020 Dec 11. Eval Rev. 2023. PMID: 33302732

3

Characteristics of School Districts That Participate in Rigorous National Educational Evaluations.

Stuart EA, Bell SH, Ebnesajjad C, Olsen RB, Orr LL. Stuart EA, et al. Among authors: orr ll. J Res Educ Eff. 2017;10(1):168-206. doi: 10.1080/19345747.2016.1205160. Epub 2016 Oct 3. J Res Educ Eff. 2017. PMID: 29276552 Free PMC article.

4

2014 Rossi Award lecture:* beyond internal validity.

Orr LL. Orr LL. Eval Rev. 2015 Apr;39(2):167-78. doi: 10.1177/0193841X15573659. Epub 2015 Mar 24. Eval Rev. 2015. PMID: 25805301

5

External Validity in Policy Evaluations that Choose Sites Purposively.

Olsen RB, Orr LL, Bell SH, Stuart EA. Olsen RB, et al. Among authors: orr ll. J Policy Anal Manage. 2013 Winter;32(1):107-121. doi: 10.1002/pam.21660. J Policy Anal Manage. 2013. PMID: 25152557 Free PMC article.

6

Some interim results from a controlled trial of cost sharing in health insurance.

Newhouse JP, Manning WG, Morris CN, Orr LL, Duan N, Keeler EB, Leibowitz A, Marquis KH, Marquis MS, Phelps CE, Brook RH. Newhouse JP, et al. Among authors: orr ll. N Engl J Med. 1981 Dec 17;305(25):1501-7. doi: 10.1056/NEJM198112173052504. N Engl J Med. 1981. PMID: 6795505

7

The health insurance study: experimentation and health financing policy.

Orr LL. Orr LL. Inquiry. 1974 Mar;11(1):28-39. Inquiry. 1974. PMID: 4274290 No abstract available.

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