What follows is the SPSS output from the item analysis of questionnaire 0325. The response-frequency analysis of each item is followed by the distribution of total summed scores; after that the traditional item analysis statistics are presented.
01-Apr-96 SPSS Release 4.0 for Macintosh
S0325Q1
Valid Cum
Value Label Value Frequency Percent Percent Percent
0 14 60.9 60.9 60.9
1 9 39.1 39.1 100.0
------- ------- -------
Total 23 100.0 100.0
Mean .391 Std err .104 Median .000
Mode .000 Std dev .499 Variance .249
Kurtosis -1.951 S E Kurt .935 Skewness .477
S E Skew .481 Range 1.000 Minimum .000
Maximum 1.000 Sum 9.000
Valid cases 23 Missing cases 0
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
S0325Q2
Valid Cum
Value Label Value Frequency Percent Percent Percent
0 11 47.8 47.8 47.8
1 12 52.2 52.2 100.0
------- ------- -------
Total 23 100.0 100.0
Mean .522 Std err .106 Median 1.000
Mode 1.000 Std dev .511 Variance .261
Kurtosis -2.190 S E Kurt .935 Skewness -.093
S E Skew .481 Range 1.000 Minimum .000
Maximum 1.000 Sum 12.000
Valid cases 23 Missing cases 0
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
S0325Q3
Valid Cum
Value Label Value Frequency Percent Percent Percent
0 14 60.9 60.9 60.9
1 9 39.1 39.1 100.0
------- ------- -------
Total 23 100.0 100.0
Mean .391 Std err .104 Median .000
Mode .000 Std dev .499 Variance .249
Kurtosis -1.951 S E Kurt .935 Skewness .477
S E Skew .481 Range 1.000 Minimum .000
Maximum 1.000 Sum 9.000
Valid cases 23 Missing cases 0
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
S0325Q4
Valid Cum
Value Label Value Frequency Percent Percent Percent
0 12 52.2 52.2 52.2
1 11 47.8 47.8 100.0
------- ------- -------
Total 23 100.0 100.0
Mean .478 Std err .106 Median .000
Mode .000 Std dev .511 Variance .261
Kurtosis -2.190 S E Kurt .935 Skewness .093
S E Skew .481 Range 1.000 Minimum .000
Maximum 1.000 Sum 11.000
Valid cases 23 Missing cases 0
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
S0325Q5
Valid Cum
Value Label Value Frequency Percent Percent Percent
0 9 39.1 39.1 39.1
1 14 60.9 60.9 100.0
------- ------- -------
Total 23 100.0 100.0
Mean .609 Std err .104 Median 1.000
Mode 1.000 Std dev .499 Variance .249
Kurtosis -1.951 S E Kurt .935 Skewness -.477
S E Skew .481 Range 1.000 Minimum .000
Maximum 1.000 Sum 14.000
Valid cases 23 Missing cases 0
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
S0325Q6
Valid Cum
Value Label Value Frequency Percent Percent Percent
0 16 69.6 69.6 69.6
1 7 30.4 30.4 100.0
------- ------- -------
Total 23 100.0 100.0
Mean .304 Std err .098 Median .000
Mode .000 Std dev .470 Variance .221
Kurtosis -1.291 S E Kurt .935 Skewness .911
S E Skew .481 Range 1.000 Minimum .000
Maximum 1.000 Sum 7.000
Valid cases 23 Missing cases 0
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
SC0325
Valid Cum
Value Label Value Frequency Percent Percent Percent
.00 2 8.7 8.7 8.7
1.00 3 13.0 13.0 21.7
2.00 7 30.4 30.4 52.2
3.00 4 17.4 17.4 69.6
4.00 3 13.0 13.0 82.6
5.00 3 13.0 13.0 95.7
6.00 1 4.3 4.3 100.0
------- ------- -------
Total 23 100.0 100.0
Mean 2.696 Std err .341 Median 2.000
Mode 2.000 Std dev 1.636 Variance 2.676
Kurtosis -.582 S E Kurt .935 Skewness .266
S E Skew .481 Range 6.000 Minimum .000
Maximum 6.000 Sum 62.000
Valid cases 23 Missing cases 0
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-> RELIABILITY VARIABLES=S0325q1 TO S0325q6/
-> STATISTICS = DESCRIPTIVES CORRELATIONS/
-> SUMMARY = CORRELATIONS TOTAL.
R E L I A B I L I T Y A N A L Y S I S - S C A L E (A L L)
1. S0325Q1
2. S0325Q2
3. S0325Q3
4. S0325Q4
5. S0325Q5
6. S0325Q6
MEAN STD DEV CASES
1. S0325Q1 .3913 .4990 23.0
2. S0325Q2 .5217 .5108 23.0
3. S0325Q3 .3913 .4990 23.0
4. S0325Q4 .4783 .5108 23.0
5. S0325Q5 .6087 .4990 23.0
6. S0325Q6 .3043 .4705 23.0
CORRELATION MATRIX
S0325Q1 S0325Q2 S0325Q3 S0325Q4 S0325Q5
S0325Q1 1.0000
S0325Q2 .4110 1.0000
S0325Q3 .0873 .0543 1.0000
S0325Q4 .1241 .2197 .1241 1.0000
S0325Q5 .2778 .1241 .0952 .2326 1.0000
S0325Q6 .0505 .0658 .2441 .1234 .1431
S0325Q6
S0325Q6 1.0000
# OF CASES = 23.0
INTER-ITEM
CORRELATIONS MEAN MINIMUM MAXIMUM RANGE MAX/MIN VARIANCE
.1585 .0505 .4110 .3605 8.1367 .0096
R E L I A B I L I T Y A N A L Y S I S - S C A L E (A L L)
ITEM-TOTAL STATISTICS
SCALE SCALE CORRECTED
MEAN VARIANCE ITEM- SQUARED ALPHA
IF ITEM IF ITEM TOTAL MULTIPLE IF ITEM
DELETED DELETED CORRELATION CORRELATION DELETED
S0325Q1 2.3043 1.9486 .3433 .2238 .4539
S0325Q2 2.1739 1.9684 .3116 .1993 .4694
S0325Q3 2.3043 2.1304 .2035 .0734 .5218
S0325Q4 2.2174 1.9960 .2903 .1041 .4802
S0325Q5 2.0870 1.9921 .3087 .1299 .4712
S0325Q6 2.3913 2.1581 .2145 .0798 .5151
RELIABILITY COEFFICIENTS 6 ITEMS
ALPHA = .5318 STANDARDIZED ITEM ALPHA = .5305