“…Reading performance in the elementary school merits closer inspection because of the frequency with which it is researched. Measures of general reading attainment were used 15 times (1,2,3,8,11,12,14,16,17,18,19,21,26,29,30)* while the sub-skills of comprehension and vocabulary development were studied 14 times (2,5,6,7,11,13,17,18,20,22,24,26,28,30) and 13 times (2,5,6,7,11,13,17,18,20,22,24,26,30) respectively.…”