View article

Previous research indicates that performing positive activities boosts happiness. The present studies examined whether neuroticism would moderate the sustainability of the effects of positive activities on happiness. Study 1 showed that the effects of counting blessings/kindness daily for seven days lasted a week after participants stopped performing the activity, but only for low-neuroticism individuals (who reported increased happiness) and not high-neuroticism individuals. However, a week post-intervention, gratitude-/kindness-listing participants were more likely to choose an amusing rather than a sad film, regardless of neuroticism differences. This suggests that behavioral choice is more sensitive to positive intervention effects than self-reported happiness. In Study 2, high-neuroticism individuals who occasionally visualized and wrote about their best possible selves over three weeks were happier than their …