@book{30428,
	author = {Hopkins, Kenneth D. and Stanley, Julian C.},
	title = {Educational and psychological measurement and evaluation},
	publisher = {Prentice-Hall},
	year = {c1981.},
	series = {Prentice-Hall series in educational measurement, research, and statistics},
	address = {Englewood Cliffs, N.J.},
	edition = {6th ed.},
	note = {In the 1972 ed. J. C. Stanley's name appeared first on t.p.}
}