What follows is the SPSS output from the item analysis of questionnaire 0600. 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
S0600Q1
Valid Cum
Value Label Value Frequency Percent Percent Percent
1 2 8.7 8.7 8.7
2 5 21.7 21.7 30.4
3 12 52.2 52.2 82.6
4 4 17.4 17.4 100.0
------- ------- -------
Total 23 100.0 100.0
Mean 2.783 Std err .177 Median 3.000
Mode 3.000 Std dev .850 Variance .723
Kurtosis .069 S E Kurt .935 Skewness -.517
S E Skew .481 Range 3.000 Minimum 1.000
Maximum 4.000 Sum 64.000
Valid cases 23 Missing cases 0
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
S0600Q2
Valid Cum
Value Label Value Frequency Percent Percent Percent
1 5 21.7 21.7 21.7
2 5 21.7 21.7 43.5
3 12 52.2 52.2 95.7
4 1 4.3 4.3 100.0
------- ------- -------
Total 23 100.0 100.0
Mean 2.391 Std err .186 Median 3.000
Mode 3.000 Std dev .891 Variance .794
Kurtosis -.883 S E Kurt .935 Skewness -.485
S E Skew .481 Range 3.000 Minimum 1.000
Maximum 4.000 Sum 55.000
Valid cases 23 Missing cases 0
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
S0600Q3
Valid Cum
Value Label Value Frequency Percent Percent Percent
1 3 13.0 13.0 13.0
2 10 43.5 43.5 56.5
3 5 21.7 21.7 78.3
4 4 17.4 17.4 95.7
5 1 4.3 4.3 100.0
------- ------- -------
Total 23 100.0 100.0
Mean 2.565 Std err .225 Median 2.000
Mode 2.000 Std dev 1.080 Variance 1.166
Kurtosis -.324 S E Kurt .935 Skewness .528
S E Skew .481 Range 4.000 Minimum 1.000
Maximum 5.000 Sum 59.000
Valid cases 23 Missing cases 0
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
S0600Q4
Valid Cum
Value Label Value Frequency Percent Percent Percent
2 2 8.7 8.7 8.7
3 16 69.6 69.6 78.3
4 5 21.7 21.7 100.0
------- ------- -------
Total 23 100.0 100.0
Mean 3.130 Std err .114 Median 3.000
Mode 3.000 Std dev .548 Variance .300
Kurtosis .601 S E Kurt .935 Skewness .110
S E Skew .481 Range 2.000 Minimum 2.000
Maximum 4.000 Sum 72.000
Valid cases 23 Missing cases 0
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
S0600Q5
Valid Cum
Value Label Value Frequency Percent Percent Percent
2 3 13.0 13.0 13.0
3 11 47.8 47.8 60.9
4 7 30.4 30.4 91.3
5 2 8.7 8.7 100.0
------- ------- -------
Total 23 100.0 100.0
Mean 3.348 Std err .173 Median 3.000
Mode 3.000 Std dev .832 Variance .692
Kurtosis -.182 S E Kurt .935 Skewness .273
S E Skew .481 Range 3.000 Minimum 2.000
Maximum 5.000 Sum 77.000
Valid cases 23 Missing cases 0
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
S0600Q6
Valid Cum
Value Label Value Frequency Percent Percent Percent
1 1 4.3 4.3 4.3
2 6 26.1 26.1 30.4
3 12 52.2 52.2 82.6
4 3 13.0 13.0 95.7
5 1 4.3 4.3 100.0
------- ------- -------
Total 23 100.0 100.0
Mean 2.870 Std err .181 Median 3.000
Mode 3.000 Std dev .869 Variance .755
Kurtosis .856 S E Kurt .935 Skewness .269
S E Skew .481 Range 4.000 Minimum 1.000
Maximum 5.000 Sum 66.000
Valid cases 23 Missing cases 0
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
SC0600
Valid Cum
Value Label Value Frequency Percent Percent Percent
8.00 1 4.3 4.3 4.3
14.00 1 4.3 4.3 8.7
15.00 2 8.7 8.7 17.4
16.00 6 26.1 26.1 43.5
17.00 4 17.4 17.4 60.9
18.00 3 13.0 13.0 73.9
19.00 1 4.3 4.3 78.3
20.00 3 13.0 13.0 91.3
21.00 1 4.3 4.3 95.7
23.00 1 4.3 4.3 100.0
------- ------- -------
Total 23 100.0 100.0
Mean 17.087 Std err .612 Median 17.000
Mode 16.000 Std dev 2.937 Variance 8.628
Kurtosis 3.479 S E Kurt .935 Skewness -.895
S E Skew .481 Range 15.000 Minimum 8.000
Maximum 23.000 Sum 393.000
Valid cases 23 Missing cases 0
-> RELIABILITY VARIABLES=S0600q1 TO S0600q6/
-> 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. S0600Q1
2. S0600Q2
3. S0600Q3
4. S0600Q4
5. S0600Q5
6. S0600Q6
MEAN STD DEV CASES
1. S0600Q1 2.7826 .8505 23.0
2. S0600Q2 2.3913 .8913 23.0
3. S0600Q3 2.5652 1.0798 23.0
4. S0600Q4 3.1304 .5481 23.0
5. S0600Q5 3.3478 .8317 23.0
6. S0600Q6 2.8696 .8689 23.0
CORRELATION MATRIX
S0600Q1 S0600Q2 S0600Q3 S0600Q4 S0600Q5
S0600Q1 1.0000
S0600Q2 -.0026 1.0000
S0600Q3 -.1076 .5154 1.0000
S0600Q4 .3561 .2630 .4074 1.0000
S0600Q5 .0475 .4825 .5303 .1951 1.0000
S0600Q6 -.1016 -.0485 .1306 .0373 .2543
S0600Q6
S0600Q6 1.0000
# OF CASES = 23.0
INTER-ITEM
CORRELATIONS MEAN MINIMUM MAXIMUM RANGE MAX/MIN VARIANCE
.1973 -.1076 .5303 .6379 -4.9289 .0487
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
S0600Q1 14.3043 7.8577 .0099 .2355 .6602
S0600Q2 14.6957 5.9486 .4336 .3621 .4859
S0600Q3 14.5217 4.9881 .5130 .4903 .4319
S0600Q4 13.9565 7.0435 .4416 .3399 .5170
S0600Q5 13.7391 5.6561 .5765 .4110 .4237
S0600Q6 14.2174 7.4506 .0892 .1233 .6333
RELIABILITY COEFFICIENTS 6 ITEMS
ALPHA = .5838 STANDARDIZED ITEM ALPHA = .5959