“…and/or stimuli that are moderately novel or discrepant from well-remembered events will pro-yoke the most exploration (Berlyne, 1960, 19,64;Dember, Earl, & Paradise, 1957;Fowler, 1965;Hebb, 1949;Hutt, 1970;McCall, 1965;Piaget, 1952;Welker, 1956a). Young or inexperienced organisms are especially cautious and reticent to explore stimulus events that are extreme in this regard (Hutt & McGrew, 1969;Switzky, Haywood, & Isett, 1974), but sheer novelty alone is not likely to inhibit exploration by mature organisms (Hutt, 1970;Nunnally & Lemond, 1973).…”