Browsing by Author "Timbers, Dianne T."
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Item Predicting the impact of simple and compound life change events(1978) Wainer, Howard; Timbers, Dianne T.; Hough, Richard L.A scale of impact for 95 life change events was determined from a sample of 4 ethnic groups. Fifty-one of these events fit a Rasch model and had the same impact in all four groups (sample free item calibration). The differences among the groups were characterized by individual parameters called "stabilities." A second study was performed that estimated a linear transformation of the impacts to yield an impact scale with ratio properties.