Population test batteries - School Mathematics Study Group; Wilson, James W.; Cahen, Leonard S.; Begle, Edward G.; National Longitudinal Study of Mathematical Abilities (Stanford, CA Leland Stanford Junior University, 1968)
Contents : X-Population, no.1,Pts. A and B. -- Y-Population, no.2 Pts. A and B. -- Z-Population, no.3
Keywords: Mathematics -- Study and teaching; Mathematical ability -- Testing -- Statistics