Self-help is supposed to get people to stop needing it. But the typical incentives in any medium mean that it's possible to get people hooked on your content, rather than learning from it.
Two core ways to categorize tasks are Recognizing and Generating. Though they may seem initially similar, they differ in the effort involved. This dichotomy is explains which ways of solving a problem are effective and which ones are just paying lip service.
Fading novelty refers to when new things become old and dull after repetition. It shows up everywhere in life, from songs to foods. I also think it plays a negative role in learning, and I propose an attitude to combat this.
A look into what happens when we mix up descriptive categories with prescriptive ones. Problems from the same category may still have different solutions, and recognizing the similarities is insufficient for a solution.