Course TopicsPower analyses and sample size calculations are important parts of many research projects. Often, before data are even collected, it is necessary to calculate and justify the required ...

Course TopicsPower analyses and sample size calculations are important parts of many research projects. Often, before data are even collected, it is necessary to calculate and justify the required ...

We consider the problem of calculating power and sample size for tests based on generalized estimating equations (GEE), that arise in studies involving clustered or correlated data (e.g., longitudinal ...

Zhushan Li, Power and Sample Size Calculations for Logistic Regression Tests for Differential Item Functioning, Journal of Educational Measurement, Vol. 51, No. 4 (Winter 2014), pp. 441-462 ...