Answer:
Fear of losing job status and job security.
Step-by-step explanation:
Sheila fears that she lose job security and would become easily replaceable. Since cross training would allow employees to carry out functions of multiple departments. Sheila would no longer have the comparative advantage and the status and privileges she had due to it.
Therefore, she resists change to keep her status and job secure.
I hope the answer was helpful.
Thanks for asking.