Earlier quoted context omitted.
why picture books are so important Any references on this? Interesting.
I am just talking about my own experience. But there are thousands of papers about early language development (which I have not read). You could start with a google scholar search like https://scholar.google.com/scholar?q=storybook+OR+%22picture...
Was wondering if that was research based or just personal experience. The hypothesis makes sense, but I'd love to see it substantiated.