BellR. Q.Adaptation of small wristwatches for mechanical recording of activities of infants and children. Journal of Experimental Child Psychology, 1968, 6, 302–305.
2.
KauffmanJ. M.Characteristics of children's behavior disorders. Columbus OH: Merrill, 1977.
3.
PopeL.Motor activity in brain-injured children. American Journal of Orthopsychiatry, 1970, 40, 783–794.
4.
QuayH. C.PetersonD. R.Manual for the behavior problem checklist. Champaign IL: University of Illinois, Children's Research Center, 1967.
VictorJ. H.HalversonC. F.Jr.Distractibility and hypersensitivity: Two behavior factors in elementary school children. Journal of Abnormal Child Psychology, 1976, 3, 83–94.