Beginners have a hard time with specularity. Heck, even experienced photographers, if they don't have much studio experience, have a hard time with it.
I've written a little tutorial on the subject.
blog.kasson.com/the-last-word/specularity/
If anyone feels like they want to discuss the post, this thread would be a good place to do so.
Also, if anyone has opinions about whether and when to introduce beginners to specularity, this would be a good place to discuss that.
Jim