“…This means that sensitivity to children's initiatives to communicate, contingent responding, smiling, enthusiasm, eye contact, and a warm and calm voice are all essential factors in the emergent literacy environment and support preschool children's language development (Pianta & Hamre, 2009). In particular, preschool teachers' emotional strategies seem to be of great importance (Thomason & La Paro, 2009). Studying the social context of learning, Pellegrini, Melhuish, Jones, Tojanowska, and Gilden (2002) investigated whether closeness and friendship would maximise children's emotional expressions.…”