OPEN MINDS The Behavioral Health & Social Service Industry Analyst Industry News A study of EAP effectiveness, conducted by Alexander & Alexanders Health Strategies Group (A&A) for McDonnell Douglas Corporation (MDC), has found a 4- to-1 return on investment. Based on the results, MDC will shift toward innovative approaches to behavioral health, according to Robert Hickoxs article, EAP Offers 4-1 Return At McDonnell Douglas, that appeared in the November, 1989 issue of Employee Benefit News. A pilot EAP benefit program is already underway at MDC . . .