Earlier quoted context omitted.
I've read somewhere that just buying a parenting book, even without reading it, can make some people better parents or have a positive influence. Simply thinking about how to be a better parent and showing an interest in improving can lead to self-reflection and conscious consideration of parenting approaches. While reading the book (attending the course) would likely provide more benefits, just the intention to be a…
That's interesting. A little nitpick : you seem to imply that buying a book is having an influence on parenting skills. I'd argue that's its correlated but does not have a direct influence. As you said, if you're buying a book it means you're ready for self-reflection, which is what has an impact on parenting.
One of the conclusions was that they "type" of people that would go out of their way to buy a parenting book were already the type of people to do the "right thing" when parenting and the book itself offered no additional support.