The second report on the Canadian Welfare Council's study of the social and psychological aspects of mental handicaps in the population of Prince Edward Island reviews the development of the project, describes its current status, and outlines plans for continuation . The purpose of the study is to define the nature and prevalence of mental handicaps and thereby obtain valuable data for more adequate social planning and treatment for the mentally handicapped. Discussed are the development of the project to May 1968, details of the May to August operations (development of methodology, pilot study, construction of interview schedule, hiring and training the interview team, field work, data analysis), the present status as of September 1, 1968, and future plans. (KW)