TY  - BOOK
AU  - Martinez, Andres
TI  - Strategies for improving precision in group-randomized experiments: pp. 5-29
AV  - JNF LB 1028 E35 2007 
KW  - GROUP-RANDOMIZED EXPERIMENTS
KW  - MULTILEVEL RESEARCH DESIGN
KW  - CLASSROOM INTERVENTION
KW  - INTERVENTION
N1  - Education evaluation and policy analysis Vol. 29 No. 1 Mr 2007; A Quarterly publication of the American Educational Research Association
ER  -