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Deke, John; Dragoset, Lisa – Mathematica Policy Research, Inc., 2012
The regression discontinuity design (RDD) has the potential to yield findings with causal validity approaching that of the randomized controlled trial (RCT). However, Schochet (2008a) estimated that, on average, an RDD study of an education intervention would need to include three to four times as many schools or students as an RCT to produce…
Descriptors: Research Design, Elementary Secondary Education, Regression (Statistics), Educational Research
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Cirignano, Sherri M.; Hughes, Luanne J.; Wu-Jung, Corey J.; Morgan, Kathleen; Grenci, Alexandra; Savoca, LeeAnne – Journal of Extension, 2013
The Healthy, Hunger-Free Kids Act (HHFKA) of 2010 sets new nutrition standards for schools, requiring them to serve a greater variety and quantity of fruits and vegetables. Extension educators in New Jersey partnered with school nutrition professionals to implement a school wellness initiative that included taste-testing activities to support…
Descriptors: Nutrition, Food, Eating Habits, Food Standards