Love of Learning, or Pure Laziness?

Sparkle will be attending Pioneer Camp later this month. When I signed her up we received a list of books about pioneer times. We check out a bunch from the library and I pulled some books that we already own.

I told Sparkle that if she read the books she would have a better understanding of pioneer times and would get more out of the camp. Then I asked her if she wanted me to set up a reward system for reading the books. To my surprise, she said no, she would rather just read them. Then I asked if she would like a checklist of the books so that she could mark off which ones she read. She liked that idea.

I was a bit baffled. Why would she choose to read the books but not get rewards for doing so? Could this be evidence that she is on her way to developing a love of learning that needs no external rewards? No, let's not be delusional. I suspect that she chose to not have a reward system to avoid (1) extra pressure to read more books, and (2) more work involved in tracking and verifying books read.