“…***These numbers refer to the bibliography at the end of this report; the number of entries here will not add up to the total frequency in the row of figures above since each study may employ more than one criterion. 15,21,24,38,47,60,67,73,74,81,85,89,96,97,98,108,110,131) t'l:I II Competencies (abilities to do) ..... (7,8,21,23,24,42,49,81,124) (8,9,19,20,22,24,28,47,60,67,68,74,81,87,97,98,108,124 (7,9, 12,23,24,25,29,34,38,40,41,47,49,65,67,74,81,86, 8'1, 89,96,97,101, 103, 108, 124 (8,9,16, 17a, 22a, 39, 41, 55, 56, 61, 62, 63, 65, 66, 73, 74, 81, 83, 85, 89, 97, 99, 112, 126, 127, 128, 133) (8,15, 17a, 20a, 21, 22a, 26, 39, 56, 61, 63, 65, 73, 77, 81, 83, 84, 85, 89, 90, 91a, 115, 117, 125, 128, 133, 134) …”