1.Clear - so you will have something definite to work toward.
2. Flexible - so you can change your plans if you need to.
3. Challenging - so you will stay interested.
4. Within reach – so you can be successful
Ex.
I need A for this course.
I got a lower grade in midterm, I will study more for the final.
3. I will do my best efforts and do all the assignments
4. I can do it because I am smart enough and I give this goal enough time and focus.