Scale | # Of items | Valid N | Scale mean (SD) | Cronbach’s alpha | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
t1 | t2 | t3 | t4 | t1 | t2 | t3 | t4 | t1 | t2 | t3 | t4 | ||||||
 |  |  |  | M | SD | M | SD | M | SD | M | SD |  |  |  |  | ||
Learning motivation | |||||||||||||||||
 Achievement-oriented motivationa | 3 | 1644 | 1404 | 1290 | – | 2.87 | .64 | 2.77 | .70 | 2.68 | .72 | – | – | .77 | .83 | .86 | – |
 Long-term instrumental motivationa | 3 | 1649 | 1404 | 1291 | – | 3.07 | .65 | 2.88 | .71 | 2.76 | .73 | – | – | .83 | .84 | .88 | – |
 Self-determined motivationb | 6 | 1649 | 1417 | 1294 | – | 3.48 | .90 | 3.36 | .96 | 3.29 | .98 | – | – | .82 | .84 | .86 | – |
 External motivationb | 5 | 1654 | 1425 | 1291 | – | 2.37 | .93 | 2.5 | .96 | 2.63 | 1.03 | – | – | .78 | .77 | .79 | – |
Apprenticeship satisfactionb | 3 | 1662 | 1445 | 1324 | 1155 | 4.95 | .96 | 4.56 | 1.14 | 4.31 | 1.15 | 4.25 | 1.16 | .86 | .88 | .87 | .88 |