“…The proceeding on what quality mainstreaming is and how it should be applied resulting from the long-lasting experiences based on preschool mainstreaming practices, prepared by the two major organizations, namely DEC and NAEYC, have been put in the literature (Division for Early Childhood National Association for the Education for Young Childen, 2009). With this proceeding, the concepts of "Access, Participation and Support" that determine the quality of mainstreaming practices in preschool education have been explained, and field experts have agreed on a common opinion on their placement in preschool education standards (Larocco & Barton, 2016;Odom, Buysse, & Soukakou, 2011;Soukakou, Winton, West, Sideris, & Rucker, 2015).…”