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Dahlia K. Remler; Gregg G. Van Ryzin – American Journal of Evaluation, 2025
This article reviews the origins and use of the terms quasi-experiment and natural experiment. It demonstrates how the terms conflate whether variation in the independent variable of interest falls short of random with whether researchers find, rather than intervene to create, that variation. Using the lens of assignment--the process driving…
Descriptors: Quasiexperimental Design, Research Design, Experiments, Predictor Variables
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Nabila Khwaja; Manju Varghese; Amal Robay – Journal of Academic Ethics, 2025
ICH-GCP guidelines have provided international ethical, scientific, quality standards for designing, conducting, recording, and reporting of clinical trials, and are hugely popular in the region. Recent revisions to its guidance; ICH-GCP; E6 (R3) have brought significant changes in both structure and content from its predecessor, affecting every…
Descriptors: Guidelines, Ethics, Standards, Clinical Experience
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Lorraine Gilleece; Aidan Clerkin – Irish Educational Studies, 2025
In recent years, countries including the UK and USA have seen advancements in the use of Randomised Controlled Trials in education, progress that has not been mirrored in Ireland. Ireland does not have a strong tradition of using experimental or quasi-experimental evaluation designs for monitoring and evaluation of education policy despite…
Descriptors: Foreign Countries, Program Evaluation, Randomized Controlled Trials, Educational Policy
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Brittany L. Hott; Nicolette M. Grasley-Boy; Wilhelmina van Dijk; Lauren N. Wong – Rural Special Education Quarterly, 2025
Group design studies in education include groups such as students, teachers, caregivers, schools, or districts assigned to conditions, typically treatment and control, to compare outcomes between the groups. Although the use of group designs in education has become more frequent and robust, the use of group designs in rural education lags far…
Descriptors: Special Education, Rural Education, Educational Research, Research Design
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Naureen Karachiwalla; Katrina Kosec; Saher Asad; Masooma Habib; Clare Leaver; Attique ur Rehman – Education Finance and Policy, 2025
Partnering with governments to co-design pilot interventions and embed them in local bureaucratic systems is increasingly seen as "best practice" on grounds of scalability and sustainability. This paper reports on a pilot program that was co-designed with, and embedded within, the Elementary and Secondary Education Department in…
Descriptors: Pilot Projects, Elementary Secondary Education, Partnerships in Education, Administrative Organization
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Andrew P. Jaciw – American Journal of Evaluation, 2025
By design, randomized experiments (XPs) rule out bias from confounded selection of participants into conditions. Quasi-experiments (QEs) are often considered second-best because they do not share this benefit. However, when results from XPs are used to generalize causal impacts, the benefit from unconfounded selection into conditions may be offset…
Descriptors: Elementary School Students, Elementary School Teachers, Generalization, Test Bias