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IES Grant
| Title: | Representation and Combination of the Results of Multi-site Randomized Experiments in Education | ||
| Center: | NCER | Year: | 2004 |
| Principal Investigator: | Hedges, Larry | Awardee: | Northwestern University |
| Program: | Statistical and Research Methodology in Education [Program Details] | ||
| Award Period: | 3 years | Award Amount: | $449,504 |
| Type: | Methodological Innovation | Award Number: | R305U040007 |
| Description: | Purpose: This research addressed two problems: (1) How to adjust (approximately) analyses that improperly ignored clustering inherent in the design without going through an entire re-analysis, and (2) How to represent and combine the results of several experiments, some of which yield several measures of the same outcome construct when the correlation structure of the outcomes is unknown. Email Larry Hedges for additional information: l-hedges@northwestern.edu. Products and Publications Book chapter Hedges, L.V. (2007). Meta-Analysis. In C.R. Rao (Ed.), The Handbook of Statistics (pp. 919–953). Amsterdam: Elsevier. Journal article, monograph, or newsletter Hedges, L.V. (2011). Effect Sizes in Three-Level Cluster-Randomized Experiments. Journal of Educational and Behavioral Statistics, 36(3): 346–380. Hedges, L.V. (2007). Correcting a Significance Test for Clustering. Journal of Educational and Behavioral Statistics, 32(2): 151–179. Hedges, L.V. (2007). Effect Sizes in Cluster-Randomized Designs. Journal of Educational and Behavioral Statistics, 32(4): 341–370. ** This project was submitted to and funded as an Unsolicited application in FY 2004. |
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