Robert Olsen

Rob Olsen LLC

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SCHOLARLY PAPERS

3

DOWNLOADS

196

TOTAL CITATIONS

3

Scholarly Papers (3)

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1.

Using Preferred Applicant Random Assignment (PARA) to Reduce Randomization Bias in Randomized Trials of Discretionary Programs

Number of pages: 23 Posted: 12 Oct 2016
Robert Olsen, Stephen H. Bell, Austin Nichols and Austin Nichols
Rob Olsen LLC, Abt Associates and The Urban InstituteAbt Associates
Downloads 121 (492,053)
Citation 2

Abstract:

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Impact Evaluation, Random Assignment, External Validity

2.

Sample Size Requirements for Education Multi-Site RCTs that Select Sites Randomly

Number of pages: 23 Posted: 21 Apr 2017
Robert Olsen, Edward Bein and David Judkins
Rob Olsen LLC, Abt Associates, Inc. and Abt Associates, Inc.
Downloads 75 (674,560)
Citation 1

Abstract:

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Randomized trial, impact heterogeneity, statistical power

3.

External Validity Bias of Purposive and Random Site Selection When Sites Can Opt Out: Evidence from the Head Start Program

Number of pages: 35
Robert Olsen, Stephen H. Bell and Emily Diaz
Rob Olsen LLC, affiliation not provided to SSRN and Westat
Downloads 0

Abstract:

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