Table 3: Pretest and posttest grade cross tabulation.

Pretest gradesPosttest gradesTotal
90% and above (I)75%–89% marks (II)50%–74% marks (III)<50% marks (IV)

90% and above (I)8 (8.4)8 (100)8 (100)
75%–89% (II)34 (32.8)14 (41.2)16 (47.1)4 (11.8)34 (100)
50%–74% (III)50 (50.2)14 (38)29 (58)7 (14)50 (100)
<50% marks (IV)3 (3.2)1 (33.3)2 (66.7)3 (100)

Total95 (100)37 (38.9)47 (49.5)11 (11.6)95 (100)