This training guide is a product of the Family-Centered Interdisciplinary Training Project in Early Intervention (Wisconsin), a project that is addressing the need for preservice training of professionals to serve infants, toddlers, and preschool children with disabilities and their families. The project is focused on students from the disciplines of nursing, physical therapy, occupational therapy, social work, early childhood education, early childhood special education, and speech/language pathology. It is structured around three key elements: first, the involvement of families in all aspects of the training program; second, a curricular focus on family and professional partnerships; and third, practical experiences designed to teach optimal interdisciplinary team functioning. The project organizes the student's learning into four primary learning environments in each of which the student spends about 2 hours a week: (1) family mentorship (each student is matched with a family of a young child with special needs); (2) community placement (each student is matched with a community service provider); (3) the interdisciplinary team (each student works with other project trainees); and (4) seminar (a weekly meeting to provide early intervention knowledge and an environment to process learning activities). The training guide provides a section on each of the four learning environments as well as a section on trainee supervision. (Contains approximately 180 references.) (DB)