This paper presents a novel fuzzy neural network (FNN) approach to detect malignant mass lesions on mammograms. The FNN is a self-adjusting and adaptive system. It is simple in structure and easy to incorporate experts' knowledge and fuzzified factors in the detection of malignant mass lesions on mammograms. The FNN has four layers. The first layer is the input layer consisting of 4 fuzzy neuro...

The authors present a simple classroom experiment that can be used as a teaching device to introduce important concepts of organizational economics and incentive contracting. First, students take the role of a principal and design a contract that consists of a fixed payment and an incentive component. Second, students take the role of agents and decide on an effort level. The experiment illustr...

This study was undertaken in order to identify and describe the nature of socialization of females into sport. A fixed-alternative questionnaire was administered to 585 women who were currently active in sport. Results indicated that peers and family were the significant agents of socialization during childhood, peers and school were aost significant during adolescence, and peers were most sign...