If you hire a good webdesiner for doing your website the designer has experience in creating websites and ordering information. A good designer can do a better job.
In the same sense a person who doesn't understand what concepts like sensitivity and specificity mean won't be able to use data analysis tools well.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
3. Open Threads should be posted in Discussion, and not Main.
4. Open Threads should start on Monday, and end on Sunday.