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Journal of Clinical Epidemiology|September 29, 2012
Calculating sample sizes for cluster randomized trials: we can keep it simple and efficient!Gerard J P van Breukelen, Math J J M CandelStatistics in Medicine|January 13, 2016
Repairing the efficiency loss due to varying cluster sizes in two-level two-armed randomized trials with heterogeneous clusteringMath J J M Candel, Gerard J P Van BreukelenThe American Journal of Clinical Nutrition|June 3, 2023
Best (but oft forgotten) practices: Efficient sample sizes for commonly used trial designsMath J J M Candel, Gerard J P van BreukelenPsychological Methods|February 13, 2025
Efficient design of cluster randomized trials and individually randomized group treatment trialsMath J J M Candel, Gerard J P van BreukelenStatistics in Medicine|January 27, 2010
Sample size adjustments for varying cluster sizes in cluster randomized trials with binary outcomes analyzed with second-order PQL mixed logistic regressionMath J J M Candel, Gerard J P Van BreukelenJournal of Child Psychology and Psychiatry, and Allied Disciplines|June 4, 2009
'Learn Young, Learn Fair', a stress management program for fifth and sixth graders: longitudinal results from an experimental studyGerda Kraag, Gerard J P Van Breukelen, Gerjo Kok, et al.Journal of Clinical Epidemiology|May 28, 2003
A comparison between traditional methods and multilevel regression for the analysis of multicenter intervention studiesMirjam Moerbeek, Gerard J P van Breukelen, Martijn P F BergerStatistical Methods in Medical Research|September 14, 2013
Efficient treatment allocation in two-way nested designsFrancesca Lemme, Gerard J P van Breukelen, Martijn P F BergerStatistics in Medicine|June 9, 2016
Efficient treatment allocation in 2 × 2 cluster randomized trials, when costs and variances are heterogeneousFrancesca Lemme, Gerard J P van Breukelen, Martijn P F BergerMemory (Hove, England)|December 19, 2001
Long-term retention of a theatrical script by repertory actors: the role of contextHenk G Schmidt, Henny P A Boshuizen, Gerard J P van BreukelenPageof 7