Normally I review a book after the first time I finish reading it, but this one is a little different. I’ve read Mistakes were made (but not by me) multiple times in the ~10 years that it has lived on my bookshelf, and I can recommend it almost wholeheartedly. Its writing is clear and accessible, the example and stories involved are chosen well and discussed with compassion, and the sourcing appears sound. Plus, the ideas it discusses are certainly relevant right now!
“These metaphors of memory are popular, reassuring, and wrong. Memories are not buried somewhere in the brain, as if they were bones at an archeological site; nor can we uproot them, as if they were radishes; nor, when they are dug up, are they perfectly preserved. We do not remember everything that happens to us; we select only highlights”.
The book also sets an appropriate scope, as it does not proclaim that its central subject of dissonance theory and self-justification is the sole cause of the world’s ills nor that understanding and correcting our bias towards self-justification will solve all problems. Instead, the authors more reasonably claim that the knowledge of cognitive dissonance will “make sense of dozens of the things that people do that would otherwise seem unfathomable and crazy” and that “understanding is the first step towards finding solutions that lead to change and redemption”. For me, this more measured approach to its potential value makes the book more trustworthy.
However, the main flaw this book has is the field it come from. As a social psychology book written in 2007, this book has more potential than most to be built on flawed foundations. I’m not saying “older research is bad”; I’m referring here to the way that the replication crisis has created a large, justified, doubt in psychology research findings, especially in social psychology findings.
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