Table 2.

The factor loadings for EN-PS-20.

Items	Loading
8. I am persistent. I never give up	0.886
10. I feel internally that I need to finish what I have started.	0.884
9. Failures do not discourage me. I don’t give up easily.	0.864
15. I always feel obligated to finish what I’ve started.	0.864
11. If I decide to do something, I keep going until I reach my goal.	0.860
12. I am persistent, but it is my inner drive that really keeps me going.	0.853
13. When I decide to do something, and I fail—I do everything possible to continue and reach the goal.	0.843
16. I can usually be persistent for a long time, regardless of my goal.	0.831
18. I am usually persistent in achieving my goals; the goal is always the most important for me, the time needed to achieve it doesn’t matter.	0.780
14. I usually manage to overcome failures to overcome an important challenge.	0.767
19. I tend to go about a task until it is completed. Time does not matter but the goal matters.	0.681
17. When studying for an important test, if I have decided to repeat a topic I do so until I finish, without distractions.	0.639
5. When I start a task, I finish it.	0.623
2. I’m rather known to be able to get through adversity to reach my goals.	0.619
4. I perform tasks as long as I need to, even if it can take months or years.	0.602
7. If I have a problem to solve, I will work as long as it’s needed to fix it, even if I cannot come up with a solution.	0.585
20. I often quit quickly when something goes wrong.	−0.551
3. I have no problem with perseverance, even when the goal is far away in time, such as school graduation or an examination	0.512
1. The time needed to complete a task does not reduce my persistence in achieving a goal, even when its achievement is very distant.	0.487
6. My friends would indicate that it is typical for me to spend a lot of time trying to achieve a goal.	0.486