Key points are not available for this paper at this time.
aDepartment of Psychology at Queen's University, Kingston, Ont.Canada bDepartments of Psychology, Paediatrics and Psychiatry at Dalhousie University, Halifax, NS B3H 4J1 Canada ∗Correspondence to: P.J. McGrath, Departments of Psychology, Paediatrics and Psychiatry, Dalhousie University, Halifax, NS B3H 4J1, Canada. Submitted January 24, 1991; revised March 25, 1991; accepted May 16, 1991.
Goodman et al. (Sun,) studied this question.