“…These studies have centered on children's understanding of wayfinding and distance (Anooshian & Kromer, 1986;Blades & Spencer, 1987;Fabricius & Wellman, 1993;Piaget & Inhelder, 1967;Sommer, 1969). Research focused on vertical space is nil, although several researchers have recognized the importance of studying the impact of ceiling height on children's behavior (Moore, 1987;Moore, Lane, Hill, Cohen, & McGinty, 1979;Olds, 1989;Osmond, 1957;Weinstein, 1987;Winchip, 1991). For example, Moore et al (1979) suggested that reduced ceiling heights may encourage quieter play, whereas higher ceilings (i.e., above 8 feet) may encourage more active play.…”