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Journal of Clinical Epidemiology|August 10, 2006
ANCOVA versus change from baseline: more power in randomized studies, more bias in nonrandomized studies [corrected]Gerard J P Van BreukelenStatistics in Medicine|April 16, 2026
Correcting for a Baseline Difference in Group Comparisons on a Binary Outcome: Covariate Adjustment or Analysis of Change?Gerard J P Van BreukelenMultivariate Behavioral Research|August 17, 2023
Cluster Randomized Trials with a Pretest and Posttest: Equivalence of Three-, Two- and One-Level Analyses, and Sample Size CalculationGerard J P Van BreukelenMultivariate Behavioral Research|January 9, 2016
ANCOVA Versus CHANGE From Baseline in Nonrandomized Studies: The DifferenceGerard J P van BreukelenPsychological Assessment|November 3, 2005
Norming clinical questionnaires with multiple regression: the Pain Cognition ListGerard J P Van Breukelen, Johan W S VlaeyenStatistics in Medicine|June 12, 2018
Efficient design of cluster randomized trials with treatment-dependent costs and treatment-dependent unknown variancesGerard J P van Breukelen, Math J J M CandelStatistics in Medicine|May 28, 2009
Varying cluster sizes in trials with clusters in one treatment arm: sample size adjustments when testing treatment effects with linear mixed modelsMath J J M Candel, Gerard J P Van BreukelenStatistical Methods in Medical Research|September 23, 2011
Efficient design of cluster randomized and multicentre trials with unknown intraclass correlationGerard J P van Breukelen, Math J J M CandelStatistical Methods in Medical Research|December 19, 2014
Sample size calculation for treatment effects in randomized trials with fixed cluster sizes and heterogeneous intraclass correlations and variancesMath J J M Candel, Gerard J P van BreukelenBiometrical Journal. Biometrische Zeitschrift|July 11, 2021
Maximin design of cluster randomized trials with heterogeneous costs and variancesGerard J P van Breukelen, Math J J M CandelPageof 7