MicroCAT (tm) Testing System
Copyright (c) 1982, 1984, 1986, 1988 by Assessment Systems Corporation
Item and Test Analysis Program -- ITEMAN (tm) Version 3.00
Item analysis for data from file uas.DAT Page 1
Item Statistics Alternative Statistics
----------------------- -----------------------------------
Seq. Scale Prop. Point Prop. Point
No. -Item Correct Biser. Biser. Alt. Endorsing Biser. Biser. Key
---- ----- ------- ------ ------ ----- --------- ------ ------ ---
1 1-1 0.600 1.000 0.881 A 0.200 -0.420 -0.294
B 0.000 -9.000 -9.000
C 0.600 1.000 0.881 *
D 0.200 -1.000 -0.784
E 0.000 -9.000 -9.000
Other 0.000 -9.000 -9.000
3 1-2 0.600 1.000 0.881 A 0.600 1.000 0.881 *
B 0.200 -1.000 -0.784
C 0.200 -0.420 -0.294
D 0.000 -9.000 -9.000
E 0.000 -9.000 -9.000
Other 0.000 -9.000 -9.000
4 1-3 0.800 -0.280 -0.196 A 0.000 -9.000 -9.000
B 0.200 0.280 0.196 ?
CHECK THE KEY C 0.000 -9.000 -9.000
D was specified, B works better D 0.800 -0.280 -0.196 *
E 0.000 -9.000 -9.000
Other 0.000 -9.000 -9.000
5 1-4 0.600 0.609 0.480 A 0.400 -0.609 -0.480
B 0.000 -9.000 -9.000
C 0.600 0.609 0.480 *
D 0.000 -9.000 -9.000
E 0.000 -9.000 -9.000
Other 0.000 -9.000 -9.000
6 2-1 0.600 0.777 0.612 A 0.600 0.777 0.612 *
B 0.200 0.357 0.250
C 0.000 -9.000 -9.000
D 0.200 -1.000 -1.000
E 0.000 -9.000 -9.000
Other 0.000 -9.000 -9.000
7 2-2 0.600 0.777 0.612 A 0.200 -1.000 -1.000
B 0.600 0.777 0.612 *
C 0.200 0.357 0.250
D 0.000 -9.000 -9.000
E 0.000 -9.000 -9.000
Other 0.000 -9.000 -9.000
MicroCAT (tm) Testing System
Copyright (c) 1982, 1984, 1986, 1988 by Assessment Systems Corporation
Item and Test Analysis Program -- ITEMAN (tm) Version 3.00
Item analysis for data from file uas.DAT Page 2
Item Statistics Alternative Statistics
----------------------- -----------------------------------
Seq. Scale Prop. Point Prop. Point
No. -Item Correct Biser. Biser. Alt. Endorsing Biser. Biser. Key
---- ----- ------- ------ ------ ----- --------- ------ ------ ---
8 2-3 1.000 -9.000 -9.000 A 1.000 -9.000 -9.000 *
B 0.000 -9.000 -9.000
C 0.000 -9.000 -9.000
D 0.000 -9.000 -9.000
E 0.000 -9.000 -9.000
Other 0.000 -9.000 -9.000
9 2-4 0.400 -0.777 -0.612 A 0.200 0.357 0.250 ?
B 0.200 0.357 0.250
CHECK THE KEY C 0.400 -0.777 -0.612 *
C was specified, A works better D 0.200 0.357 0.250
E 0.000 -9.000 -9.000
Other 0.000 -9.000 -9.000
10 2-5 0.200 0.357 0.250 A 0.800 -0.357 -0.250
B 0.000 -9.000 -9.000
C 0.200 0.357 0.250 *
D 0.000 -9.000 -9.000
E 0.000 -9.000 -9.000
Other 0.000 -9.000 -9.000
MicroCAT (tm) Testing System
Copyright (c) 1982, 1984, 1986, 1988 by Assessment Systems Corporation
Item and Test Analysis Program -- ITEMAN (tm) Version 3.00
Item analysis for data from file uas.DAT Page 3
There were 5 examinees in the data file.
Scale Statistics
----------------
Scale: 1 2
------- -------
N of Items 4 5
N of Examinees 5 5
Mean 2.600 2.800
Variance 1.040 0.160
Std. Dev. 1.020 0.400
Skew -0.272 -1.500
Kurtosis -1.044 0.249
Minimum 1.000 2.000
Maximum 4.000 3.000
Median 3.000 3.000
Alpha 0.205 -5.625
SEM 0.909 1.030
Mean P 0.650 0.560
Mean Item-Tot. 0.511 0.216
Mean Biserial 0.582 0.283
Scale Intercorrelations
-----------------------
1 2
1 1.000 -0.196
2 -0.196 1.000
Scores for examinees
ANTON 3.00 2.00
BEJO 1.00 3.00
CHIKA 4.00 3.00
DEDI 3.00 3.00
EKO 2.00 3.00