IPT Spanish Test Norms - Ballard & Tighe
IPT Spanish Test Norms Newest Norms, 2014 and 2016 data
This document contains tables for converting IPT test scores into norm-referenced scores (percentiles and normal curve equivalents) for the purpose of score reporting.
Pre-IPT?Spanish Oral Test, 5th Edition (2016 data) IPT I?Spanish Oral test, 5th Edition (2016 data) IPT II?Spanish Oral Test, 5th Edition (2016 data) IPT?Early Literacy Spanish Reading & Writing Test, 2nd Edition (2014 data) IPT 1?Spanish Reading & Writing Test, 5th Edition (2016 data) IPT 2?Spanish Reading & Writing Test, 5th Edition (2016 data) IPT 3?Spanish Reading & Writing Test, 5th Edition (2016 data)
Document last updated 7/2017 Copyright ?2017 by Ballard & Tighe, Publishers, a division of Educational IDEAS, Inc.
IPT Spanish Oral Tests
Two methods for deriving the norms are presented. The methods differ by their accuracy. The first method is the more accurate, but it requires a longer test administration procedure. The second method is less accurate due to an assumption that must be made to derive the norms. It is important to use the same method of norm-referenced score derivation for all scores that are intended to be compared to each other (for example, student-to-student comparisons, or year-to-year comparison of the same student's performance).
Method 1: Administering the test starting at the beginning
The published norms in the IPT Spanish Oral technical manuals reflect this method, which was employed during field testing of the IPT Spanish Oral tests. As a result, this method produces the most accurate norm-referenced scores for each student. Test administration is always started with item #1, and the stopping rules are applied during testing. The number of correct responses is tallied at the end of testing. See Tables 1?11 in this document for the norm derivation tables.
Method 2: Administering a potentially shortened test
This method makes use of Ballard & Tighe's recommended starting levels for students who are known to have basic Spanish skills. The recommended starting levels may allow the test to be started at a later point than item #1 based on earlier test performance. This method requires an assumption to be made about the student's performance on the items at the beginning of the test that were skipped. Specifically, it requires the assumption that the student would have had correct answers for all of the skipped items. The student's raw score, for the purpose of deriving norm-referenced scores, would then be equal to the number of items in any test levels skipped at the beginning of the test plus the number of correctly answered items in the level(s) that were actually administered. Because of this assumption, this method produces less accurate scores than Method 1, and it is very important that scores using Method 2 not be compared to scores using Method 1. However, if Method 2 is applied consistently to all score records, Tables 1?11 in this document may be used to derive normreferenced scores for the IPT Spanish Oral Tests.
Copyright ?2017 by Ballard & Tighe, Publishers, a division of Educational IDEAS, Inc.
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Norm-referenced score derivation tables for the IPT Spanish Oral Tests
Tables 1?11 provide the scaled scores, percentiles, and normal curve equivalent (NCE) scores yielded by the IPT Spanish Oral Tests using Method 1 or Method 2. Tables 1?3 cover the Spanish Pre-IPT, Tables 4?9 cover the IPT I?Spanish Oral, and Tables 10?11 cover the IPT II? Spanish Oral.
Table 1: Pre-IPT Spanish Oral Test, 5th Edition, 3-year-olds, Norm Year 2016
Raw Standard Percentile NCE
Raw Standard Percentile NCE
Score Score
Rank
Score Score
Rank
0
30
1
1
21
97
90
77
1
35
3
10
22
99
90
77
2
39
10
23
23
102
91
78
3
44
18
31
24
104
92
80
4
48
27
37
25
106
92
80
5
53
39
44
26
108
93
81
6
58
53
52
27
111
93
81
7
62
68
60
28
113
93
81
8
65
75
64
29
116
93
81
9
69
75
64
30
118
94
83
10
72
75
64
31
121
94
83
11
74
76
65
32
124
95
85
12
77
77
66
33
128
95
85
13
79
78
66
34
131
96
87
14
82
80
68
35
135
97
90
15
84
84
71
36
140
98
93
16
87
87
74
37
145
99
99
17
89
88
75
38
149
99
99
18
91
89
76
39
154
99
99
19
93
89
76
40
158
99
99
20
95
89
76
Copyright ?2017 by Ballard & Tighe, Publishers, a division of Educational IDEAS, Inc.
3
ballard- (800) 321-4332
Table 2: Pre-IPT Spanish Oral Test, 5th Edition, 4-year-olds, Norm Year 2016
Raw Standard Percentile NCE
Raw Standard Percentile NCE
Score Score
Rank
Score Score
Rank
0
30
1
1
21
97
74
64
1
35
2
7
22
99
75
64
2
39
5
15
23
102
76
65
3
44
10
23
24
104
78
66
4
48
16
29
25
106
80
68
5
53
25
36
26
108
81
68
6
58
36
42
27
111
82
69
7
62
51
51
28
113
82
69
8
65
58
54
29
116
82
69
9
69
59
55
30
118
83
70
10
72
59
55
31
121
83
70
11
74
59
55
32
124
84
71
12
77
60
55
33
128
85
72
13
79
61
56
34
131
87
74
14
82
64
58
35
135
89
76
15
84
67
59
36
140
92
80
16
87
71
62
37
145
94
83
17
89
72
62
38
149
96
87
18
91
73
63
39
154
98
93
19
93
73
63
40
158
99
99
20
95
73
63
Copyright ?2017 by Ballard & Tighe, Publishers, a division of Educational IDEAS, Inc.
4
ballard- (800) 321-4332
Table 3: Pre-IPT Spanish Oral Test, 5th Edition, 5-year-olds, Norm Year 2016
Raw Standard Percentile NCE
Raw Standard Percentile NCE
Score Score
Rank
Score Score
Rank
0
30
1
1
21
97
39
44
1
35
1
1
22
99
40
45
2
39
2
7
23
102
42
46
3
44
4
13
24
104
45
47
4
48
6
17
25
106
49
49
5
53
9
22
26
108
52
51
6
58
15
28
27
111
53
52
7
62
24
35
28
113
54
52
8
65
30
39
29
116
54
52
9
69
30
39
30
118
55
53
10
72
30
39
31
121
55
53
11
74
30
39
32
124
57
54
12
77
30
39
33
128
59
55
13
79
31
40
34
131
61
56
14
82
32
40
35
135
66
59
15
84
34
41
36
140
71
62
16
87
36
42
37
145
77
66
17
89
37
43
38
149
84
71
18
91
38
44
39
154
91
78
19
93
38
44
40
158
97
90
20
95
38
44
Copyright ?2017 by Ballard & Tighe, Publishers, a division of Educational IDEAS, Inc.
5
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