Table 3. EFA structure coefficients, CFA factor loadings and squared multiple correlations (R) and tvalues of the 17 items of the PEAS in the developmental sample (N=519).
Items of the PEAS* 
EFA 
CFA 
PCA* 
ML** 
Sfl 
SE 
tvalues 
R^{2} 
1 
.429 
.368 
.276 
.0519 
5.319 
.076 
2 
.445 
.388 
.134 
.0549 
2.441 
.018 
3 
.434 
.375 
.452 
.0816 
5.541 
.204 
4 
.545 
.485 
.285 
.0579 
4.922 
.081 
5 
.434 
.371 
.218 
.0527 
4.135 
.048 
6 
.423 
.361 
.234 
.0495 
4.725 
.055 
7 
.377 
.314 
.241 
.0482 
5.001 
.058 
8 
.497 
.427 
.961 
.1709 
5.623 
.924 
9 
.423 
.364 
.580 
.1041 
5.574 
.336 
10 
.306 
.255 
.148 
.0498 
2.972 
.022 
11 
.345 
.293 
.112 
.0450 
2.487 
.013 
12 
.471 
.414 
.082 
.0414 
1.982 
.007 
13 
.480 
.421 
.277 
.0721 
3.841 
.077 
14 
.502 
.440 
.156 
.0442 
3.527 
.024 
15 
.553 
.495 
.075 
.0450 
1.668 
.006 
16 
.459 
.397 
.300 
.0565 
5.309 
.090 
17 
.381 
.325 
.113 
.0436 
2.594 
.013 
R^{2}* 
.947 
.957 




EFA = Exploratory Factor Analysis; PCA = Principal component analysis; ML = Maximum Likelihood Factor Analysis; CFA = Confirmatory factor Analysis; Sfl = Standarized factor loadings
** Coefficient of determination of the sum of scores and the factor.
* Seventeen items of the PEAS (Table 1).