Search Results - "Orr, Larry"

Some Lessons From 50 Years of Multiarm Public Policy Experiments by Orr, Larry L., Gubits, Daniel

“…In this article, we explore the reasons why multiarm trials have been conducted and the design and analysis issues they involve. We point to three fundamental…”
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The Role of Evaluation in Building Evidence-Based Policy by ORR, LARRY L.

“…Growing recognition that many government programs may be ineffective, or at best of unproven effectiveness, has led to the evidence-based policy movement—an…”
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External Validity in Policy Evaluations That Choose Sites Purposively by Olsen, Robert B., Orr, Larry L., Bell, Stephen H., Stuart, Elizabeth A.

“…Evaluations of the impact of social programs are often carried out in multiple sites, such as school districts, housing authorities, local TANF offices, or…”
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2014 Rossi Award Lecture: Beyond Internal Validity by Orr, Larry L.

“…Background: For much of the last 40 years, the evaluation profession has been consumed in a battle over internal validity. Today, that battle has been decided…”
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Using the Results from Rigorous Multisite Evaluations to Inform Local Policy Decisions by Orr, Larry L., Olsen, Robert B., Bell, Stephen H., Schmid, Ian, Shivji, Azim, Stuart, Elizabeth A.

“…Evidence‐based policy at the local level requires predicting the impact of an intervention to inform whether it should be adopted. Increasingly, local…”
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Using a Multi-Site RCT to Predict Impacts for a Single Site: Do Better Data and Methods Yield More Accurate Predictions? by Olsen, Robert B., Orr, Larry L., Bell, Stephen H., Petraglia, Elizabeth, Badillo-Goicoechea, Elena, Miyaoka, Atsushi, Stuart, Elizabeth A.

“…Multi-site randomized controlled trials (RCTs) provide unbiased estimates of the average impact in the study sample. However, their ability to accurately…”
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Estimates of External Validity Bias When Impact Evaluations Select Sites Nonrandomly by Bell, Stephen H., Olsen, Robert B., Orr, Larry L., Stuart, Elizabeth A.

“…Evaluations of educational programs or interventions are typically conducted in nonrandomly selected samples of schools or districts. Recent research has shown…”
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Characteristics of School Districts That Participate in Rigorous National Educational Evaluations by Stuart, Elizabeth A., Bell, Stephen H., Ebnesajjad, Cyrus, Olsen, Robert B., Orr, Larry L.

“…Given increasing interest in evidence-based policy, there is growing attention to how well the results from rigorous program evaluations may inform policy…”
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On the "Where" of Social Experiments: Selecting More Representative Samples to Inform Policy by Olsen, Robert B., Orr, Larry L.

“…Most social experiments are conducted in samples of sites that are not formally representative of the population of policy interest. These studies may produce…”
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Moving to Opportunity: Why, How, and What Next? by Shroder, Mark D., Orr, Larry L.

“…We discuss the policy background for the Moving to Opportunity (MTO) for Fair Housing demonstration experiment, the innovations in its design and…”
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Does Training for the Disadvantaged Work? Evidence from the National JTPA Study by Orr, Larry L

“…The Federal Government has sponsored job training for the unemployed and economically disadvantaged for more than three decades. The National Job Training…”
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Screening (and creaming?) applicants to job training programs: the AFDC homemaker–home health aide demonstrations by Bell, Stephen H, Orr, Larry L

“…Government employment and training programs typically do not have sufficient resources to serve all those who apply for assistance. Those to be served are…”
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The Benefits and Costs of JTPA Title II-A Programs: Key Findings from the National Job Training Partnership Act Study by Bloom, Howard S., Orr, Larry L., Bell, Stephen H., Cave, George, Doolittle, Fred, Lin, Winston, Bos, Johannes M.

“…This paper examines the benefits and costs of Job Training Partnership Act (JTPA) Title II-A programs for economically disadvantaged adults and out-of-school…”
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Photosynthesis Web resources by Orr, Larry, Govindjee

“…Online access to the Internet and the World Wide Web has become important for public awareness and for educating the world’s population, including its…”
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Educating the client by Orr, Larry L.

“…Orr discusses the need for researchers to communicate with and educate their clients. Researchers must seek the right answer rather than a favorable one,…”
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Photosynthesis online by Orr, Larry, Govindjee

“…Online access to the Internet and the World Wide Web have become important for public awareness and for educating the world’s population, including its…”
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Wage subsidies in developing countries as a tool to build human capital: Design and implementation issues by Almeida, Rita, Orr, Larry, Robalino, David

“…This paper reviews international experiences with the implementation of wage subsidies and develops a policy framework to guide their design in developing…”
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Photosynthesis and the Web: 2008 by Orr, Larry, Govindjee

“…The World Wide Web has become an important resource for public awareness and for educating the world's population, including its political leaders, students,…”
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Some interim results from a controlled trial of cost sharing in health insurance by Newhouse, J P, Manning, W G, Morris, C N, Orr, L L, Duan, N, Keeler, E B, Leibowitz, A, Marquis, K H, Marquis, M S, Phelps, C E, Brook, R H

“…A total of 7706 persons are participating in a controlled trial of alternative health-insurance policies. Interim results indicate that persons fully covered…”
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Is Subsidized Employment Cost Effective for Welfare Recipients? Experimental Evidence from Seven State Demonstrations by Bell, Stephen H., Orr, Larry L.

“…This paper examines the benefits and costs of training and subsidized employment provided to welfare recipients in demonstration programs in seven states. A…”
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