Control Group			Serial	Experimental Group			Serial
Average	Posttest	Pretest	Serial	Average	Posttest	Pretest	Serial
23	23	23	1	26	27	25	1
16.5	17	16	2	25	25	25	2
20.5	22	19	3	23.5	26	21	3
19.5	20	19	4	27.5	28	27	4
21.5	22	21	5	20	21	19	5
20	20	20	6	20.5	21	20	6
22	22	22	7	19.5	21	18	7
22	22	22	8	23	25	21	8
24	24	24	9	23	24	22	9
22	22	22	10	18	19	17	10
21	20	22	11	20	23	17	11
18.5	20	17	12	25.5	26	25	12
21	21	21	13	24	25	23	13
22.5	21	24	14	20	21	19	14
18.5	19	18	15	25	26	24	15
19	19	19	16	19	21	17	16
21.5	22	21	17	20	22	18	17
21.5	22	21	18	19.5	22	17	18
22	22	22	19	20	21	19	19
21.5	22	21	20	21.5	23	20	20
19.5	20	19	21	18.5	20	17	21
19.5	21	18	22	23.5	26	21	22
20	23	17	23	21	25	17	23
22.5	24	21	24	22.5	25	20	24
22.5	24	21	25	21	24	18	25
23.5	25	22	26	24.5	26	23	26
20	21	19	27	22.5	25	20	27
22.5	24	21	28	20	23	17	28
21.5	23	20	29	22.5	26	19	29
21.5	23	20	30	23	26	20	30
20.9	21.1	20.7	Average	22.1	23.4	20.7	Average