Some psychologists have called for better research on the theory, which says older people appear to be happier because they tend to focus on and remember positive events leaving behind negative ones.
“There is a lot of good theory about this age difference in happiness, but much of the research does not provide direct evidence” of the links between such phenomena and actual happiness, said psychologist Derek M. Isaacowitz of Northeastern University. Isaacowitz and the late Fredda Blanchard-Fields of Georgia Institute of Technology have argued for more rigorous research.
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