Table 5
Initial solution of the nonparametric tests in Dimension 3 following criteria for item elimination.
Items | Mean | Standard Deviation | Item-total correlation corrected | Cronbach’s alpha if the element is removed | Skewness (ET=0.119) | Kurtosis (ET=0.238) | Eliminate |
q19 | 3.430 | 0.690 | .340 | .490 | –1.057 | 0.625 | |
q23_2 | 3.650 | 0.569 | .329 | .495 | –1.875 | 4.563 | 7 |
q20_3 | 3.580 | 0.625 | .343 | .492 | –1.593 | 3.384 | 7 |
q23_11 | 3.540 | 0.629 | .360 | .491 | –1.382 | 2.423 | |
q23_1 | 3.500 | 0.663 | .355 | .490 | –1.512 | 2.642 | |
q21 | 3.400 | 0.786 | .205 | .501 | –1.272 | 1.572 | 7 |
q23_1 | 0.940 | 1.190 | .093 | .515 | 0.745 | –1.047 | 6 |
q23_9 | 0.970 | 1.080 | .382 | .472 | 0.577 | –1.109 | |
q23_3 | 0.690 | 1.070 | .245 | .493 | 1.136 | –0.315 | 7 |
q23_4 | 1.160 | 1.161 | .132 | .509 | 0.300 | –1.472 | 7 |
q23_5 | 0.530 | 0.970 | .457 | .465 | 1.235 | –0.112 | |
q23_6 | 0.810 | 1.086 | .300 | .484 | 0.875 | –0.835 | |
q23_8 | 0.840 | 1.119 | .224 | .495 | 0.644 | –1.227 | 7 |
q23_8 | 0.570 | 0.990 | .393 | .473 | 1.244 | –0.061 | |
q23_9 | 0.430 | 0.913 | .509 | .461 | 1.641 | 1.098 | |
q27 | 0.950 | 1.183 | .226 | .494 | 0.802 | –1.006 | 7 |
q19 | 0.930 | 1.160 | .291 | .484 | 0.723 | –1.190 | 7 |
q27 | 2.490 | 1.063 | -.009 | .528 | –0.392 | –0.148 | 7 |
q30 | 2.350 | 1.102 | -.026 | .532 | 0.426 | –0.715 | 7 |
q23_8 | 5.980 | 1.914 | .079 | .532 | 1.328 | –0.237 | 2 |
q31 | 8.560 | 0.990 | .186 | .502 | –1.299 | –0.314 | 4 |
Reliability statistics | |||||||
Cronbach’s alpha .517 | Cronbach’s alpha based on typed items .387 | No. of elements 84 | |||||
Analysis of the Final Proposal as items of Dimension 3 – Opinion on the Corporal Expression contents. | |||||||
Items | Average of the scale if the element is eliminated | Variance of the scale if the element is eliminated | Item-total correlation corrected | Squared multiple correlation | q19 | ||
q19 | 10.740 | 17.155 | .254 | .482 | .694 | ||
q20_3 | 10.690 | 16.802 | .324 | .835 | .683 | ||
q20_4 | 10.690 | 16.619 | .333 | .835 | .681 | ||
q23_2 | 13.070 | 14.598 | .378 | .172 | .673 | ||
q23_5 | 13.500 | 14.255 | .461 | .397 | .651 | ||
q23_6 | 13.310 | 14.122 | .438 | .239 | .657 | ||
q23_9 | 13.480 | 14.612 | .405 | .343 | .665 | ||
q23_9 | 13.65 | 14.301 | .518 | .486 | .638 | ||
Reliability statistics | |||||||
Cronbach’s alpha .698 | Cronbach’s alpha based on typed items .703 | No. of elements 8 | |||||
Note: q: question, numbers 19-23: question identifier number. As criteria for the elimination of items, homogeneous means, standard deviation far from zero, item-total correlation higher than .30, skewness lower than 2 and kurtosis lower than 7 were considered. |