Showing 1 - 9 of 9
Murrayand Tsiatis (1996) described a weighted survival estimate thatincorporates prognostic time-dependent covariate informationto increase the efficiency of estimation. We propose a test statisticbased on the statistic of Pepe and Fleming (1989, 1991) thatincorporates these weighted survival...
Persistent link: https://www.econbiz.de/10009477089
This research develops non-parametric methodology for sequential monitoring of paired time-to-event data when comparing years of life saved, or years where any unpleasant outcome is delayed, is of interest. The recommended family of test statistics uses integrated differences in survival...
Persistent link: https://www.econbiz.de/10009477203
This research introduces methods for nonparametric testing of weighted integrated survival differences in the context of paired censored survival designs. The current work extends work done by Pepe and Fleming (1989, Biometrics 45 , 497–507), which considered similar test statistics directed...
Persistent link: https://www.econbiz.de/10009477361
This research develops nonparametric strategies for sequentially monitoring clinical trial data where detecting years of life saved is of interest. The recommended test statistic looks at integrated differences in survival estimates during the time frame of interest. In many practical...
Persistent link: https://www.econbiz.de/10009477553
Scant research exists to illuminates the nature of organizational efforts, or support systems, designed to provide work teams with what is needed to be successful. The sample (N = 20) consists of experienced researchers and practitioners discussing work team implementations and the ongoing...
Persistent link: https://www.econbiz.de/10009475005
Women are a significant presence in today's workforce; however, few rise to the top management ranks. Therefore, there is a critical need to better understand the factors that facilitate their success. This study examined several variables that may contribute to women's objective (income, span of...
Persistent link: https://www.econbiz.de/10009475006
Power and effect size analysis are important methods in the psychological sciences. It is well known that classical statistical tests are not robust with respect to power and type II error. However, relatively little attention has been paid in the psychological literature to the effect that...
Persistent link: https://www.econbiz.de/10009475066
Encouraging positive work team growth depends on, in part, the form and availability of organizational resources and support. Support systems have been found to be important for work team health and survival. However, managers are challenged to make resource decisions while working within...
Persistent link: https://www.econbiz.de/10009475071
The present study examined the perceptions of teams and managers on team potency levels as a function of stage of team development. Drawing from the power and influence literature, potency was established as a means by which to assess team's internal dynamics. Stage of team development was...
Persistent link: https://www.econbiz.de/10009475102