@book{42252,
	author = {Best, John W.},
	title = {Research in education},
	publisher = {Prentice-Hall},
	year = {[1970]},
	series = {Prentice-Hall series in educational measurement, research, and statistics},
	address = {Englewood Cliffs, N.J.},
	edition = {2d ed.},
	note = {Includes index.}
}