Object substitution masking (OSM) is said to occur when a perceptual object is hypothesized that is mismatched by subsequent sensory evidence, leading to a new hypothesized object being substituted for the first. For example, when a brief target is accompanied by a longer lasting display of nonoverlapping mask elements, reporting of target…

Reports on three experiments involving 300 six-year old children that investigated the conditions under which young children would produce "separates" as opposed to partial occlusion drawings. (HOD)

An attempt to isolate possible effects of the application of visual reminders on learning by TV. The underlying assumption was that learning by means of television and other visual media can be enhanced by methodically applying visual reminders. (Author)

Varied conditions under which children aged four to five years matched the area of a rectangle with a given width or height to that of a square. Subjects matched one dimension of the rectangle to one side of the square suggesting that area matches seemed to be based on a side-matching strategy. (Author/AS)