Headey, B.

satisfaction model life satisfaction happiness effect event estimate veenhoven variable result domain theory domain satisfactions life events headey well-being marriage causation relationship research correlation panel outlook indicator error health consequence cause error terms measure top-down job satisfaction people exogenous variables level lisrel point personality bruce measurement bottom-up measurement model change problem marriage satisfaction kessler equation costa equality constraints greenberg andrew study analysis withey exogenou panel data reality perception paper diener order status australian respondent reason eysenck extraversion favourable events scheme assumption support chapter psychology friendship report expectation well-being headey mccrae journal score