Jeanne is 54 years old. she had worked as a medical research librarian for ten years before quitting in her late forties. she wants to re-enter the workforce. however, she is worried about applying for an open position at the library she was previosly working at because of the major changes in information technology that have taken place in library management. she also feels intimidated by computers. the hr director of the library feels jeanne is highly qualified for the position in question. given this scenario, what would be the main barrier to her learning the job tasks?