by Chatfield, Douglas C., Janek, Erwin J.
Published in The Journal of general psychology (01.07.1973)

by Halcomb, Charles G., Chatfield, Douglas C., Stewart, Barbara E., Stokes, Michael T., Cruse, Bradley H., Weimer, Jon
Published in Teaching of psychology (01.10.1989)

by Chatfield, Douglas C, Cruse, Bradley H
Published in Collegiate Microcomputer (1986)

by Chatfield, Douglas C, Janek, Erwin J
Published in Journal of General Psychology (1973)

by Chatfield, Douglas C, Janek, Erwin J
Published in Journal of Experimental Psychology (1972)