CatTrax Table of Contents

Summary & Take Notice		quick reference of participants and items requiring your attention
Participant & Item Interaction		interactions of ranked participants and items in graphical-numerical format
Detailed Item Results		item analysis in ranked easy to hard listing
Detailed Participant Results		detailed participant results sorted by name
Additional Keyed Results		results of primary answer key + any additional keys

CatTrax Test Primary Key Summary

Date	File	Participants	Items	Test Mean	Test Standard Deviation
4/23/2013	input.csv	11	20	12.8	3.2

Take notice of the following participants (listed highest to lowest ranking)

Id	Name		Issue
24	Elbow	Grease	is responding inconsistently to the test items when compared to similarly ranked participants
39	Tom	Cat	is responding inconsistently to the test items when compared to similarly ranked participants
17	Roscoe	Rabbit	is in the lower 15% of test scores and responding inconsistently when compared to similarly ranked participants
9	Anny	Albatross	is in the lower 15% ranking of test scores
19	Buster	Bilgewater	is in the lower 15% of test scores and responding inconsistently when compared to similarly ranked participants

Take notice of the following test items (listed easiest to hardest ranking)

Item	Issue
5	is confusing or poorly written
17	is confusing and not distinguishing between higher and lower ranking participants
9	is confusing or poorly written
12	is confusing or poorly written
6	is confusing and not distinguishing between higher and lower ranking participants
10	is difficult with more than half of the group responding incorrectly
15	is difficult with more than half of the group responding incorrectly
4	is difficult with more than half of the group responding incorrectly
7	is difficult with more than half of the group responding incorrectly
14	is difficult with more than half of the group responding incorrectly
13	is difficult, confusing, and not distinguishing between higher and lower ranking participants
20	is difficult with more than half of the group responding incorrectly

Participants listed highest to lowest ranking and Items listed easiest to hardest ranking

Id	Name		CI	Tot	SEM	Range	Z	11	2	18	19	5	1	8	17	3	9	16	12	6	10	15	4	7	14	13	20
34	Fresh	Fish	0	19	1	18 - 20	1.94	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	0	1
24	Elbow	Grease	33	16	1.8	14 - 18	1	1	1	1	1	1	1	1	0	1	0	1	1	0	1	1	1	1	1	0	1
14	Deputy	Dog	20	15	2	13 - 17	0.68	1	1	1	1	1	1	1	1	1	1	0	0	1	0	1	0	1	0	1	1
36	Ferocious	Feline	12	15	2	13 - 17	0.68	1	1	1	1	1	1	1	1	1	1	1	0	0	0	1	1	0	1	1	0
3	Candy	Apple	18	13	2.2	11 - 15	0.06	1	1	1	1	1	1	1	0	1	0	1	1	0	1	0	1	1	0	0	0
39	Tom	Cat	33	13	2.2	11 - 15	0.06	1	1	1	0	0	1	1	0	1	1	1	1	1	1	1	0	0	1	0	0
40	Ground	Squirrel	14	12	2.3	10 - 14	-0.26	1	1	1	1	0	1	1	1	1	1	1	1	0	0	0	0	0	0	1	0
29	Waldo	Whale	20	12	2.3	10 - 14	-0.26	1	1	1	1	1	1	0	1	1	0	1	0	1	0	0	0	1	0	0	1
17	Roscoe	Rabbit	32	9	2.3	7 - 11	-1.2	1	0	1	1	1	0	1	1	0	0	0	0	1	1	0	0	0	0	1	0
9	Anny	Albatross	10	9	2.3	7 - 11	-1.2	1	1	1	1	1	0	1	1	.	1	0	0	1	.	.	.	0	0	.	.
19	Buster	Bilgewater	42	8	2.3	6 - 10	-1.51	0	1	0	0	1	1	0	1	0	1	0	1	0	0	0	1	0	1	0	0
							Tot:	10	10	10	9	9	9	9	8	8	7	7	6	6	5	5	5	5	5	4	4
							Diff:	0.91	0.91	0.91	0.82	0.82	0.82	0.82	0.73	0.73	0.64	0.64	0.55	0.55	0.45	0.45	0.45	0.45	0.45	0.36	0.36
							CI:	0	9	0	22	44	5	16	66	0	44	11	35	50	28	0	25	10	25	51	11
							Disc:	0.2	0.2	0.2	0.03	0.03	0.4	0.4	-0.5	0.6	0.07	0.43	0.27	-0.1	0.47	0.83	0.47	0.47	0.47	-0.07	0.3

Item Analysis (listed easiest to hardest ranking)
Split-Half (any tied high/low border scores show as a middle group)
Legend (* keyed/correct response) (. omitted responses)

Item: 11
Diff: 0.91    Disc: 0.2    CI: 0

Group	N	1	*3
High	6	0	6
Low	5	1	4
Total	11	1	10

Item: 2
Diff: 0.91    Disc: 0.2    CI: 9

Group	N	2	*3
High	6	0	6
Low	5	1	4
Total	11	1	10

Item: 18
Diff: 0.91    Disc: 0.2    CI: 0

Group	N	2	*3
High	6	0	6
Low	5	1	4
Total	11	1	10

Item: 19
Diff: 0.82    Disc: 0.03    CI: 22

Group	N	*1	3	4
High	6	5	0	1
Low	5	4	1	0
Total	11	9	1	1

Item: 5
Diff: 0.82    Disc: 0.03    CI: 44

Group	N	1	3	*4
High	6	1	0	5
Low	5	0	1	4
Total	11	1	1	9

Item: 1
Diff: 0.82    Disc: 0.4    CI: 5

Group	N	*3	4	5
High	6	6	0	0
Low	5	3	1	1
Total	11	9	1	1

Item: 8
Diff: 0.82    Disc: 0.4    CI: 16

Group	N	1	*2	3
High	6	0	6	0
Low	5	1	3	1
Total	11	1	9	1

Item: 17
Diff: 0.73    Disc: -0.5    CI: 66

Group	N	*1	2	3
High	6	3	2	1
Low	5	5	0	0
Total	11	8	2	1

Item: 3
Diff: 0.73    Disc: 0.6    CI: 0

Group	N	.	2	3	*4
High	6	0	0	0	6
Low	5	1	1	1	2
Total	11	1	1	1	8

Item: 9
Diff: 0.64    Disc: 0.07    CI: 44

Group	N	1	*2	3
High	6	2	4	0
Low	5	1	3	1
Total	11	3	7	1

Item: 16
Diff: 0.64    Disc: 0.43    CI: 11

Group	N	*1	2	3	4
High	6	5	0	1	0
Low	5	2	1	1	1
Total	11	7	1	2	1

Item: 12
Diff: 0.55    Disc: 0.27    CI: 35

Group	N	1	2	3	*4
High	6	0	2	0	4
Low	5	2	0	1	2
Total	11	2	2	1	6

Item: 6
Diff: 0.55    Disc: -0.1    CI: 50

Group	N	*1	2	4
High	6	3	0	3
Low	5	3	2	0
Total	11	6	2	3

Item: 10
Diff: 0.45    Disc: 0.47    CI: 28

Group	N	.	*3	5
High	6	0	4	2
Low	5	1	1	3
Total	11	1	5	5

Item: 15
Diff: 0.45    Disc: 0.83    CI: 0

Group	N	.	1	2	*3	4
High	6	0	0	1	5	0
Low	5	1	2	1	0	1
Total	11	1	2	2	5	1

Item: 4
Diff: 0.45    Disc: 0.47    CI: 25

Group	N	.	1	3	*4
High	6	0	1	1	4
Low	5	1	1	2	1
Total	11	1	2	3	5

Item: 7
Diff: 0.45    Disc: 0.47    CI: 10

Group	N	1	*3	4
High	6	1	4	1
Low	5	2	1	2
Total	11	3	5	3

Item: 14
Diff: 0.45    Disc: 0.47    CI: 25

Group	N	1	2	3	*4
High	6	0	1	1	4
Low	5	1	2	1	1
Total	11	1	3	2	5

Item: 13
Diff: 0.36    Disc: -0.07    CI: 51

Group	N	.	1	2	*3
High	6	0	1	3	2
Low	5	1	1	1	2
Total	11	1	2	4	4

Item: 20
Diff: 0.36    Disc: 0.3    CI: 11

Group	N	.	2	3	*5
High	6	0	1	2	3
Low	5	1	1	2	1
Total	11	1	2	4	4

Participants listed alphabetically and Items listed numerically

Id	Name		CI	Tot	SEM	~Range	Z	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
	Key: 1							3	3	4	4	4	1	3	2	2	3	3	4	3	4	3	1	1	3	1	5
9	Anny	Albatross	10	9	2.3	7--9--11	-1.2	5	3	.	.	4	1	4	2	2	.	3	1	.	1	.	4	1	3	1	.
19	Buster	Bilgewater	42	8	2.3	6--8--10	-1.51	3	3	3	4	4	2	1	3	2	5	1	4	2	4	4	2	1	2	3	3
3	Candy	Apple	18	13	2.2	11--13--15	0.06	3	3	4	4	4	4	3	2	1	3	3	4	2	2	2	1	3	3	1	3
14	Deputy	Dog	20	15	2	13--15--17	0.68	3	3	4	3	4	1	3	2	2	5	3	2	3	3	3	3	1	3	1	5
24	Elbow	Grease	33	16	1.8	14--16--18	1	3	3	4	4	4	4	3	2	1	3	3	4	1	4	3	1	2	3	1	5
36	Ferocious	Feline	12	15	2	13--15--17	0.68	3	3	4	4	4	4	4	2	2	5	3	2	3	4	3	1	1	3	1	3
34	Fresh	Fish	0	19	1	18--19--20	1.94	3	3	4	4	4	1	3	2	2	3	3	4	2	4	3	1	1	3	1	5
40	Ground	Squirrel	14	12	2.3	10--12--14	-0.26	3	3	4	3	3	2	4	2	2	5	3	4	3	3	2	1	1	3	1	2
17	Roscoe	Rabbit	32	9	2.3	7--9--11	-1.2	4	2	2	3	4	1	1	2	1	3	3	1	3	2	1	3	1	3	1	3
39	Tom	Cat	33	13	2.2	11--13--15	0.06	3	3	4	1	1	1	1	2	2	3	3	4	2	4	3	1	2	3	4	2
29	Waldo	Whale	20	12	2.3	10--12--14	-0.26	3	3	4	1	4	1	3	1	3	5	3	3	1	2	1	1	1	3	1	5
							Tot:	9	10	8	5	9	6	5	9	7	5	10	6	4	5	5	7	8	10	9	4
							Diff:	0.82	0.91	0.73	0.45	0.82	0.55	0.45	0.82	0.64	0.45	0.91	0.55	0.36	0.45	0.45	0.64	0.73	0.91	0.82	0.36
							CI:	0	9	0	22	44	5	16	66	0	44	11	35	50	28	0	25	10	25	51	11
							Disc:	0.2	0.2	0.2	0.03	0.03	0.4	0.4	-0.5	0.6	0.07	0.43	0.27	-0.1	0.47	0.83	0.47	0.47	0.47	-0.07	0.3