You may think you're giving clear instructions, but you lost her back at Step 14a. People want to know three things: 1. What am I supposed to do? 2. By when? 3. In what order?
The more succinct you are, the easier it is to follow your directions. Prepare to give clear instructions by writing: "1," "2" and "3" on a piece of paper, then plug in the three most important items you want the employee to retain. This becomes your direction-giving outline.