Need statistics help with a study of reading comprehension in children

Nov 22nd, 2015
Anonymous
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Question description

A study of reading comprehension in children compared three methods of instruction. The three methods of instruction are called Basal, DRTA, and Strategies. As is common in such studies, several pretest variables were measured before any instruction was given. One purpose of the pretest was to see if the three groups of children were similar in their comprehension skills. The READING data set described in the Data Appendix gives two pretest measures that were used in this study. Use one-way ANOVA to analyze these data and write a summary of your results.

```subject	group	pre1	pre2	post1	post2	post3
1	B	4	3	5	4	41
2	B	6	5	9	5	41
3	B	9	4	5	3	43
4	B	12	6	8	5	46
5	B	16	5	10	9	46
6	B	15	13	9	8	45
7	B	14	8	12	5	45
8	B	12	7	5	5	32
9	B	12	3	8	7	33
10	B	8	8	7	7	39
11	B	13	7	12	4	42
12	B	9	2	4	4	45
13	B	12	5	4	6	39
14	B	12	2	8	8	44
15	B	12	2	6	4	36
16	B	10	10	9	10	49
17	B	8	5	3	3	40
18	B	12	5	5	5	35
19	B	11	3	4	5	36
20	B	8	4	2	3	40
21	B	7	3	5	4	54
22	B	9	6	7	8	32
23	D	7	2	7	6	31
24	D	7	6	5	6	40
25	D	12	4	13	3	48
26	D	10	1	5	7	30
27	D	16	8	14	7	42
28	D	15	7	14	6	48
29	D	9	6	10	9	49
30	D	8	7	13	5	53
31	D	13	7	12	7	48
32	D	12	8	11	6	43
33	D	7	6	8	5	55
34	D	6	2	7	0	55
35	D	8	4	10	6	57
36	D	9	6	8	6	53
37	D	9	4	8	7	37
38	D	8	4	10	11	50
39	D	9	5	12	6	54
40	D	13	6	10	6	41
41	D	10	2	11	6	49
42	D	8	6	7	8	47
43	D	8	5	8	8	49
44	D	10	6	12	6	49
45	S	11	7	11	12	53
46	S	7	6	4	8	47
47	S	4	6	4	10	41
48	S	7	2	4	4	49
49	S	7	6	3	9	43
50	S	6	5	8	5	45
51	S	11	5	12	8	50
52	S	14	6	14	12	48
53	S	13	6	12	11	49
54	S	9	5	7	11	42
55	S	12	3	5	10	38
56	S	13	9	9	9	42
57	S	4	6	1	10	34
58	S	13	8	13	1	48
59	S	6	4	7	9	51
60	S	12	3	5	13	33
61	S	6	6	7	9	44
62	S	11	4	11	7	48
63	S	14	4	15	7	49
64	S	8	2	9	5	33
65	S	5	3	6	8	45
66	S	8	3	4	6	42```

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