The self injurious behavior of five male children with Lesch Nyhan disease was studied during three learning paradigms: punishment, positive reinforcement and time out from reinforcement following an attempt at self injury. Punishment of self injury…
The opiate-like peptide beta-endorphin and adrenocorticotropin are concomitantly secreted in increased amounts by the adenohypophysis in response to acute stress or long-term adrenalectomy as well as in vitro in response to purified corticotropin…
This paper presents a general statistical methodology for the analysis of multivariate categorical data arising from observer reliability studies. The procedure essentially involves the construction of functions of the observed proportions which are…
A questionnaire designed to identify the factors that influence the resolution of ethical dilemmas was returned by 230 (57% of the total) Massachusetts pediatricians. The decision to recommend surgery for an infant with Down's syndrome with duodenal…
