Table 4 Item Summary, Internal Consistency Reliability, and Results of Exploratory Factor Analysis for Students Ages 9–11 years (n = 162) and 12–15 years (n = 142)
Internal Consistence Reliability | Factor Analysis Principal Components | ||||||
|---|---|---|---|---|---|---|---|
M | SD | Item to Total Correlation | Scale Alpha & if Item Deleted | KMO Sampling Adequacy | Rescaled Factor Loading (PC) | Rescaled Amount of Variance Explained | |
Ages 9–11 PLA | 1.767 | .802 | - | .768 | .680 | - | 68.4 |
Planning for | .475 | .326 | .57 | .726 | - | .806 | - |
Interference with | .570 | .320 | .66 | .616 | - | .862 | - |
Prevention from | .722 | .324 | .58 | .716 | - | .810 | - |
Ages 12–15 PLA | 1.872 | .764 | - | .708 | .655 | - | 62.8 |
Planning for | .490 | .344 | .46 | .699 | - | .796 | - |
Interference with | .603 | .320 | .58 | .542 | - | .823 | - |
Prevention from | .779 | .299 | .54 | .598 | - | .759 | - |