Henberg, E.C. <br/><br/>
Intraclass correlation values for planning group-randomized trials in education  pp. 60-87 
Larry V. Hedges, E.C. Hedberg 
<br/><br/> Education evaluation and policy analysis Vol. 29 No. 1 Mr 2007 
<br/><br/>A Quarterly publication of the American Educational Research Association 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>INTRACLASS CORRELATION<br/>CLUSTER RANDOMIZED TRIALS<br/>EXPERIMENTS<br/>STATISTICAL POWER<br/>EDUCATIONAL RESEARCH<br/>ACADEMIC ACHIEVEMENT<br/>GROUPS-RANDOMIZED EXPERIMENTS--EDUCATION
<br/><br/><label>LC Class. No.: </label>JNF LB 1028 E35 2007