Table 4: Inter-Item Correlation Matrix: SPS.
Note: Cronbach’s Coefficient Alpha = 0.92.
| SPS#1 | SPS#2 | SPS#3 | SPS#4 | SPS#5 |
| SPS#1 | 1,000 | | | | |
| SPS#2 | .738 | 1,000 | | | |
| SPS#3 | .729 | .640 | 1.000 | | |
| SPS#4 | .251 | .326. | .433 | 1.000 | |
| SPS#5 | .547 | .526 | .385 | .074 | 1.000 |
| SPS#6 | .476 | .424 | .479 | .325 | .458 |
| SPS#7 | .529 | .507 | .599 | .461 | .457 |
| SPS#8 | .537 | .477 | .570 | .473 | .365 |
| SPS#9 | .637 | .644 | .687 | .493 | .482 |
| SPS#10 | .450 | .424 | .491 | .372 | .267 |
| SPS#6 | SPS#7 | SPS#8 | SPS#9 | SPS#10 |
| SPS#1 | | | | | |
| SPS#2 | | | | | |
| SPS#3 | | | | | |
| SPS#4 | | | | | |
| SPS#5 | | | | | |
| SPS#6 | 1.000 | | | | |
| SPS#7 | .724 | 1.000 | | | |
| SPS#8 | .609 | .519 | 1.000 | | |
| SPS#9 | .698 | .793 | .635 | 1.000 | |
| SPS#10 | .670 | .757 | .434 | .738 | 1.000 |