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	1.	No cover image available Using covariates to improve precision for studies that randomize schools to evaluate educational interventions pp. 30-59 Howard S. Bloom, Lashawn Richburg-Hayes, and Alison Rebeck Black by Black, Alison Rebeck Material type: Text; Format: print ; Literary form: Not fiction Availability: Items available for loan: Commission on Higher Education (1). Place hold Add to cart (remove)
	2.	No cover image available Using covariates to improve precision for studies that randomize schools to evaluate educational interventions pp. 30-59 Howard S. Bloom, Lashawn Richburg-hayes, and Alison Rebeck Black by Hayes, Lashawn Richburg Material type: Text; Format: print ; Literary form: Not fiction Availability: Items available for loan: Commission on Higher Education (1). Place hold Add to cart (remove)
	3.	No cover image available Inraclass correlation values for planning group-randomized trials in education pp. 60-87 Larry V. Hedges by Hedges, Larry V Material type: Text; Format: print ; Literary form: Not fiction Availability: Items available for loan: Commission on Higher Education (1). Place hold Add to cart (remove)
	4.	No cover image available Intraclass correlation values for planning group-randomized trials in education pp. 60-87 Larry V. Hedges, E.C. Hedberg by Henberg, E.C Material type: Text; Format: print ; Literary form: Not fiction Availability: Items available for loan: Commission on Higher Education (1). Place hold Add to cart (remove)

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