“…Halford and Fullerton (1970), Harper, Steffe, and Van Engen (1969), Kingsley and Hall (1967), Lister (1969), Pace (1968), Rothenberg and Orost (1969), Smith (1968), Towler (1968), and Wallach and Sprott (1964) found some success with various types of training procedures and transfer of learning to some conservation tasks. However, Beilin and Franklin (1968), Beilin, Kagan and Rabinowitz (1966), Gruen (1965), Romberg and Gilbert (1972), Smedslund (1968 a, b, c), Wallach, Wall, and Anderson (1967), Wohlwill and Lowe (1962) have found no transfer of learning.…”