large (rare) events that require significant adjustment. they can be positive or negative.
Holmes and Rahe?
listed 43 life changes in order of adjustment required LCU (life change units). the scale used is SSRS (social readjustment rating scale)
SRRS?
created a list of stressful events and asked 400 people to rate them and took an average score for each event and the SSRS is formed
weakness?
individual differences not accounted for, retrospective recall, cause and effect, doesn't account for daily hassles. sample group only adults
Rahe (1972)?
looked at LCU scores for the previous year, and then the health of participants for the following year.
Rahe (1972) Findings?
LCU scores under 150 had reasonable health. 50% of those with LCU scores of 150-300 had illness the next year. 80% of LCU score over 300 had illness next year
Rahe et al (1970)?
2700 US Navy men were given a LCU score. they were then given an illness score based on illnesses whilst on tour.
Rahe et al (1970) Findings?
a positive correlation of 0.118 was found between LCU score and illness. LCU lead to illness.
Lietzen et al (2011) ?
those who experienced significant life changes were ore likely to develop asthmas.
weakness?
positive stressor are less likely to lead to illness. Turner and Wheaton (1995) found that undesirable life events causes more stress.