Principles of psychological measurement /
Helmstadter, G.C.
Principles of psychological measurement / G.C. Helmstadter. - New York : Appleton-Century-Crofts, 1964. - xx, 248 p. : ill. ; 21 cm.
Includes index.
Psychometrics.
Psychological Tests.
152.8 HEL
Principles of psychological measurement / G.C. Helmstadter. - New York : Appleton-Century-Crofts, 1964. - xx, 248 p. : ill. ; 21 cm.
Includes index.
Psychometrics.
Psychological Tests.
152.8 HEL