BarnesG. W.HishG. B.Behavioral effects of the cessation of weak light energy. Amer. Psychologist, 1957, 12, 411. (Abstract)
2.
HurwitzH. M. B.Conditioned responses in rats reinforced by light. Brit. J. anim. Behav., 1956, 4, 31–33.
3.
KishG. B.Learning when the onset of illumination is used as reinforcing stimulus. J. comp. physiol. Psychol., 1955, 48, 261–264.
4.
MarxM. H.HendersonR. L.RobertsC. L.Positive reinforcement of the barpressing response by a light stimulus following dark operant pretests with no aftereffect. J. comp. physiol. Psychol., 1955, 48, 73–76.
5.
RobertsC. L.MarxM. H.CollierG.Light onset and light offset as reinforcers for the albino rat. J. comp. physiol. Psychol., 1958, 51, 575–579.
6.
WilsonK. V.A distribution-free test of analysis of variance hypotheses. Psychol. Bull., 1956, 53, 96–101.