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This is: Scientific Self-Help: The State of Our Knowledge, published by lukeprog on the LessWrong.
Part of the sequence: The Science of Winning at Life
Some have suggested that the Less Wrong community could improve readers' instrumental rationality more effectively if it first caught up with the scientific literature on productivity and self-help, and then enabled readers to deliberately practice self-help skills and apply what they've learned in real life.
I think that's a good idea. My contribution today is a quick overview of scientific self-help: what professionals call "the psychology of adjustment." First I'll review the state of the industry and the scientific literature, and then I'll briefly summarize the scientific data available on three topics in self-help: study methods, productivity, and happiness.
The industry and the literature
As you probably know, much of the self-help industry is a sham, ripe for parody. Most self-help books are written to sell, not to help. Pop psychology may be more myth than fact. As Christopher Buckley (1999) writes, "The more people read [self-help books], the more they think they need them... [it's] more like an addiction than an alliance."
Where can you turn for reliable, empirically-based self-help advice? A few leading therapeutic psychologists (e.g., Albert Ellis, Arnold Lazarus, Martin Seligman) have written self-help books based on decades of research, but even these works tend to give recommendations that are still debated, because they aren't yet part of settled science.
Lifelong self-help researcher Clayton Tucker-Ladd wrote and updated Psychological Self-Help (pdf) over several decades. It's a summary of what scientists do and don't know about self-help methods (as of about 2003), but it's also more than 2,000 pages long, and much of it surveys scientific opinion rather than experimental results, because on many subjects there aren't any experimental results yet. The book is associated with an internet community of people sharing what does and doesn't work for them.
More immediately useful is Richard Wiseman's 59 Seconds. Wiseman is an experimental psychologist and paranormal investigator who gathered together what little self-help research is part of settled science, and put it into a short, fun, and useful Malcolm Gladwell-ish book. The next best popular-level general self-help book is perhaps Martin Seligman's What You Can Change and What You Can't.
Two large books rate hundreds of popular self-help books according to what professional psychologists think of them, and offer advice on how to choose self-help books. Unfortunately, this may not mean much because even professional psychologists very often have opinions that depart from the empirical data, as documented extensively by Scott Lilienfeld and others in Science and Pseudoscience in Clinical Psychology and Navigating the Mindfield. These two books are helpful in assessing what is and isn't known according to empirical research (rather than according to expert opinion). Lilienfeld also edits the useful journal Scientific Review of Mental Health Practice, and has compiled a list of harmful psychological treatments. Also see Nathan and Gorman's A Guide to Treatments That Work, Roth & Fonagy's What Works for Whom?, and, more generally, Stanovich's How to Think Straight about Psychology.
Many self-help books are written as "one size fits all," but of course this is rarely appropriate in psychology, and this leads to reader disappointment (Norem & Chang, 2000). But psychologists have tested the effectiveness of reading particular problem-focused self-help books ("bibliotherapy").1 For example, it appears that reading David Burns' Feeling Good can be as effective for treating depression as individual or group therapy. Results vary from book to book.
There are at least fou...
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