“…Ward & Yager, 1980;Mackay, 1971;Jungwirth, 1972;Rakow, Welch & Hueftle, 1984;Smith, 1978;Tobin & Capie, 1980;Welch, Klopfer, Aikenhead & Robinson, 1981;Yager and Yager, 1985), though there is evidence that both can be improved significantly if learning experiences are designed specifically to do so (Barnfield, Bethel & Lamb, 1977;Bowyer and Linn, 1978;Haukoos and Penick, 1983;Peterson, 1978;Weber and Renner, 1972). Some modern courses appear to lead to improved critical thinking and problem solving (Dillashaw and Okey, 1980;Padilla, Okey & Garrard, 1984;Seymour and Sutnam, 1973;Shaw, 1983), but there is little evidence that children can transfer these skills to situations outside the laboratory (Dreyfus & Jungwirth, 1980;Kamm, 1971;Saadeh 1973;Tabbron and Kerr, 1971).…”