Here are the most common reasons:
An interns’s standard of performance may be so high for a task that it does not seem possible to meet that standard.
2. Fear of Failure.
Interns’s may lack confidence and fear that he/she will be unable to accomplish a task successfully.
Interns may be unsure about how to start a task or how it should be completed.
4. Task Difficulty.
Interns may lack the skills and abilities needed to accomplish a task.
5. Poor Motivation.
Interns may have little or no interest in completing a task because he/she finds the task boring or lacking in relevance.
6. Difficulty Concentrating.
Interns may have too many things around that distract him/her from doing a task.
7. Task Unpleasantness.
Interns may dislike doing what a task requires.
8. Lack of Priorities.
Interns may have little or no sense about which tasks are most important to do.