Richard M. Clifford

Policy implementation and PL 99-457 : planning for young children with special needs

Pascal Louis Trohanis, James J. Gallagher, Richard M. Clifford, 1989 .

Family Child Care Environment Rating Scale Revised Edition (FCCERS-R).

Richard M. Clifford, Thelma Harms, R. Clifford, 2007 .

Early Childhood Environment Rating Scale, Revised Edition

Richard M. Clifford, Thelma Harms, R. Clifford, 1998 .

Ready to learn? Children's pre-academic achievement in pre-Kindergarten programs

Robert C. Pianta, Richard M. Clifford, Oscar A. Barbarin, 2008 .

What is Pre-Kindergarten? Characteristics of Public Pre-Kindergarten Programs

Robert C. Pianta, Florence Chang, Richard M. Clifford, 2005 .

Caregiver Training and Classroom Quality in Child Care Centers

Margaret Burchinal, Richard M. Clifford, C. Howes, 2002 .