Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 6 of 6 for “"sample size estimation"”.
-
Speaking Thier Language: A Randomized Pilot Study of Synchronous Online Chat Groups for Young Adults with Cancer
… outcomes. A power calculation providing sample size estimation for an RCT indicated that more than 90 participants would be needed to demonstrate differential efficacy between groups. Discussion: This randomized study design is feasible with some important modifications. Conclusion: …
-
Power analysis for a mixed effects logistic regression model
… to the rich literature in modeling methods, the sample size/power analysis methods for such mixed effects models are sparse. The sample size/power analysis method for the logistic-normal regression model is not readily available. This study is to develop a power analysis/sample size estimation …
-
Statistical Methods to Improve Efficiency in Composite Endpoint Analysis
… of the existing limitations. We implement small sample corrections for the standard binary and augmented binary methods and assess the performance for application in rare disease trials, where the gains are most needed. We find that employing the small sample corrected augmented binary method …
-
The Accuracy of River Bed Sediment Samples
… ecological health is the streambed's sediment size distribution. This distribution affects streambed stability, sediment transport rates, and flood levels by defining the roughness of the stream channel. Adverse effects on water quality and wildlife can be expected when excessive fine sediments …
-
Risk factors for unsuccessful induction of labour at Mowbray Maternity Hospital
… be a significant risk factor for USIOL, and a sample size of 240 was estimated to be appropriate. Ethics approval was obtained from the Human Research Ethics Committee of the faculty of Health Sciences of the University of Cape Town (UCT). RESULTS: Of the 240 women who commenced IOL during the …
-
Investigations of Pharmacokinetic Challenges in Premature Infants
… as limited blood volume and frequency of blood sample collections, rapid growth and continuous developmental changes, complexity of pediatric studies as well as scientific, practical, and ethical concerns— lead to the current lack of PK information and empirical dosing in premature neonates and …