NickolsJ.A controlled experimental investigation into the effects of Thorazine upon mental test scores of chronic hospitalized schizophrenics. Psychol, Rec., 1958, 8, 67–76.
2.
NickolsJ.Ancillary projective materials for demonstration and research. Percept. mot. Skills, 1960, 11, 54.
3.
NickolsJ.Brief forms of the Wechsler Scales for research. J. clin. Psychol., 1962, in press.
4.
PetersC. C.van VoorhtsW. R.Statistical procedures and their mathematical bases. New York: McGraw-Hill, 1940.
