Clark, Jeremy E.; Kim, Bonggeun; Poulton, Richie; … - 2007
, exercise, and complete high school, using a longitudinal study of youth in New Zealand. We find that 15-year-olds' expectations … of success predict the subsequent onset of smoking, lack of exercise, and failure to complete high school, but not … factors, expectations retain a direct effect on smoking and exercise once these other factors are controlled for …