Saris, W.E.

model satisfaction life-satisfaction correlation stability error effect measurement error component measurement change result life satisfaction study country happiness ehrhardt 1.00 veenhoven table variance population panel question difference chapter society stock component model figure people estimate research variable equilibrium model level theory coefficient order indicators research correlation matrix overtime overtime correlations matrix event analysis covariance matrix equilibrium rank order assumption panel study point contact appraisal value increase domain .04 ratio person curve observation 28.9 error component table 1 report factor scheme log r 0.j es university press life-change finance log p 2 .06 10 years income sample satisfaction variables personality willem