The present work is an abridgment of vol. I of a two volume study, the first volume containing descriptions and studies of the tests, their administration and uses; the second, a file of eleven representative tests. Copies of the unabridged study are on file in the libraries of the State University of Iowa and the Missouri School of Mines. cf. Pref.
"This study presents ... tests ... used at the Missouri School of Mines during the past four years."--Pref.