The concepts and procedures used in two skill development laboratories for college students are introduced. The materials describe the interviewing skills lab that teaches a variety of interpersonal skills used in one-on-one helping relationships, and the group skills lab that provides practical training in the basic skills of leading, conducting, and participating in groups. The laboratory concept is presented as a strategy to develop training opportunities with other interpersonal skills appropriate to most working relationships. The two-hour lab format is delineated and evaluation procedures are discussed. An outline of skills taught in the group skills lab and a brief description of skills taught in the interviewing skills lab are also included. (JAC)