These four research reviews should be useful to educators concerned with developing and improving vocational education programs. Reviews include: (1) "Occupational Training Information System" (OTIS) which is concerned with a decision making model for state and local programs and with responsive vocational and technical education, (2) "Career Ladders In The Foodservice Industry," including what one industry can do to cut down on excessive and costly turnover, provide better service, and more fully hold and utilize its personnel, (3) "The HEART Report--A Household Employment Training, Counseling, Job Development and Placement Program," and (4) "A National Study Of Assisting Manpower In Optometry," including an investigation of job availability, duties, education, and training of ancillary optometric personnel and the forecasting of the demand for such employees. A bibliography of additional studies and ordering information for cited materials are included. (JS)