Explanation is a central concept in human psychology. Drawing upon philosophical theories of explanation, psychologists have recently begun to examine the relationship between explanation, probability and causality. Our study advances this growing literature at the intersection of psychology and philosophy of science by systematically investigating how judgments of explanatory power are affecte...

nine hundred and twelve, consecutive patients attended various clinics of isfahan university for various complains have been evaluated for a.s.o. titers among whom 172 has positive nasopharyngeal cultures for type a, b hemolytic streptococcus. all of the patients with positive cultures have a.s.o. titers of above 333 todd’s unit, while with exception of 22 cases all of the others had values of ...

OBJECTIVE To evaluate the cost of endoscopic third ventriculostomy (ETV) compared to ventriculoperitoneal shunt (VPS) in the treatment of hydrocephalus in children. METHOD We studied 103 children with hydrocephalus, 52 of which were treated with ETV and 51 with VPS in a prospective cohort. Treatment costs were compared within the first year after surgery, including subsequent surgery or hospi...