This is a preview. Log in through your library . Abstract Longitudinal studies of a binary outcome are common in the health, social, and behavioral sciences. In general, a feature of random effects ...

Patients in each of two centers are randomly assigned to groups receiving the active treatment or a placebo. During treatment, respiratory status (coded here as 0=poor, 1=good) is determined for each ...

In previous work, thresholds have been introduced to describe situations where the consumer is indifferent between any two alternatives. Krishnan (1977) formalised thresholds as minimum perceivable ...