Any tips on efficiently gathering information on controversial, non-technical subjects, such a "how to raise your kids" or "pros and cons of spanking your kids"? (those are relatively good examples because a lot of people have a strong opinion on them)

I usually look on Wikipedia first, but while it's good at giving a basic overview of a question, it's quite bad at presenting evidence in a properly organized way (I learnt first hand that improving a controversial article is hard).

Research papers are more rigorous and more likely to contain actual useful and surprising information, but finding the right ones is quite a bit of work, and papers non-technical fields don't have a huge

Then there are all kinds of opinion columns and blogs and books - but they tend to be of varying quality, and I don't know what's the best way to find those that honestly summarize the available evidence (as opposed to taking a somewhat extreme position to make the writing more interesting, or trying to present the ideas as new, etc.).

Any useful tips and heuristics?