Norming clinical questionnaires with multiple regression: The Pain Cognition ListVAN BREUKELEN, Gerard J. P; VLAEYEN, Johan W. S.Psychological assessment. 2005, Vol 17, Num 3, pp 336-344, issn 1040-3590, 9 p.Article

Calculating sample sizes for cluster randomized trials: We can keep it simple and efficient!VAN BREUKELEN, Gerard J. P; CANDEL, Math J. J. M.Journal of clinical epidemiology. 2012, Vol 65, Num 11, pp 1212-1218, issn 0895-4356, 7 p.Article

D-optimality of unequal versus equal cluster sizes for mixed effects linear regression analysis of randomized trials with clusters in one treatment armCANDEL, Math J. J. M; VAN BREUKELEN, Gerard J. P.Computational statistics & data analysis. 2010, Vol 54, Num 8, pp 1906-1920, issn 0167-9473, 15 p.Article

Optimal experimental designs for multilevel logistic modelsMOERBEEK, Mirjam; VAN BREUKELEN, Gerard J. P; BERGER, Martijn P. F et al.Statistician (London. Print). 2001, Vol 50, Num 1, pp 17-30, issn 0039-0526Article

'Learn Young, Learn Fair', a stress management program for fifth and sixth graders: longitudinal results from an experimental studyKRAAG, Gerda; VAN BREUKELEN, Gerard J. P; KOK, Gerjo et al.Journal of child psychology and psychiatry and allied disciplines (Print). 2009, Vol 50, Num 9, pp 1185-1195, issn 0021-9630, 11 p.Article

OPTIMIZATION OF BLOCKED DESIGNS IN FMRI STUDIESMAUS, Barbel; VAN BREUKELEN, Gerard J. P; GOEBEL, Rainer et al.Psychometrika. 2010, Vol 75, Num 2, pp 373-390, issn 0033-3123, 18 p.Article

Proenvironmental travel behavior among office workers: A qualitative study of individual and organizational determinantsSIU HING LO; VAN BREUKELEN, Gerard J. P; PETERS, Gjalt-Jorn Y et al.Transportation research. Part A, Policy and practice. 2013, Vol 56, pp 11-22, issn 0965-8564, 12 p.Article

Optimal Design for Nonlinear Estimation of the Hemodynamic Response FunctionMAUS, Bärbel; VAN BREUKELEN, Gerard J. P; GOEBEL, Rainer et al.Human brain mapping. 2012, Vol 33, Num 6, pp 1253-1267, issn 1065-9471, 15 p.Article

Varieties of attention in neutral trials : Linking RT to ERPs and EEG frequenciesJONGEN, Ellen M. M; SMULDERS, Fren T. Y; VAN BREUKELEN, Gerard J. P et al.Psychophysiology (New York. Print). 2006, Vol 43, Num 1, pp 113-125, issn 0048-5772, 13 p.Article

A comparison between traditional methods and multilevel regression for the analysis of multicenter intervention studiesMOERBEEK, Mirjam; VAN BREUKELEN, Gerard J. P; BERGER, Martijn P. F et al.Journal of clinical epidemiology. 2003, Vol 56, Num 4, pp 341-350, issn 0895-4356, 10 p.Article

Optimal experimental designs for multilevel models with covariatesMOERBEEK, Mirjam; VAN BREUKELEN, Gerard J. P; BERGER, Martijn P. F et al.Communications in statistics. Theory and methods. 2001, Vol 30, Num 12, pp 2683-2697, issn 0361-0926Article

Optimality of Equal vs. Unequal Cluster Sizes in Multilevel Intervention Studies : A Monte Carlo Study for Small Sample SizesCANDEL, Math J. J. M; VAN BREUKELEN, Gerard J. P; KOTOVA, Larissa et al.Communications in statistics. Simulation and computation. 2008, Vol 37, Num 1-2, pp 222-239, issn 0361-0918, 18 p.Article

The Letter Digit Substitution Test : Normative Data for 1,858 Healthy Participants Aged 24-81 from the Maastricht Aging Study (MAAS): Influence of Age, Education, and SexVAN DER ELST, Wim; VAN BOXTEL, Martin P. J; VAN BREUKELEN, Gerard J. P et al.Neuropsychology, development, and cognition. Section A, journal of clinical and experimental neuropsychology. 2006, Vol 28, Num 6, pp 998-1009, issn 1380-3395, 12 p.Article

Electronic Monitoring-Based Counseling to Enhance Adherence Among HIV-Infected Patients: A Randomized Controlled TrialDE BRUIN, Marijn; HOSPERS, Harm J; VAN BREUKELEN, Gerard J. P et al.Health psychology (Hillsdale, N.J.). 2010, Vol 29, Num 4, pp 421-428, issn 0278-6133, 8 p.Article

Randomized clinical trials with a pre-and a post-treatment measurement : Repeated measures versus ANCOVA modelsWINKENS, Bjom; VAN BREUKELEN, Gerard J. P; SCHOUTEN, Hubert J. A et al.Contemporary clinical trials. 2007, Vol 28, Num 6, pp 713-719, issn 1551-7144, 7 p.Article

A large-scale cross-sectional and longitudinal study into the ecological validity of neuropsychological test measures in neurologically intact peopleVAN DER ELST, Wim; VAN BOXTEL, Martin P. J; VAN BREUKELEN, Gerard J. P et al.Archives of clinical neuropsychology. 2008, Vol 23, Num 7-8, pp 787-800, issn 0887-6177, 14 p.Article

Is left-handedness associated with a more pronounced age-related cognitive decline?VAN DER ELST, Wim; VAN BOXTEL, Martin P. J; VAN BREUKELEN, Gerard J. P et al.Laterality (Hove. Print). 2008, Vol 13, Num 3, pp 234-254, issn 1357-650X, 21 p.Article

Assessment of information processing in working memory in applied settings : the paper & pencil memory scanning testVAN DER ELST, Wim; VAN BOXTEL, Martin P. J; VAN BREUKELEN, Gerard J. P et al.Psychological medicine (Print). 2007, Vol 37, Num 9, pp 1335-1344, issn 0033-2917, 10 p.Article

Self-Regulatory Processes Mediate the Intention-Behavior Relation for Adherence and Exercise BehaviorsDE BRUIN, Marijn; SHEERAN, Paschal; KOK, Gerjo et al.Health psychology (Hillsdale, N.J.). 2012, Vol 31, Num 6, pp 695-703, issn 0278-6133, 9 p.Article

Optimal number of repeated measures and group sizes in clinical trials with linearly divergent treatment effectsWINKENS, Bjom; SCHOUTEN, Hubert J. A; VAN BREUKELEN, Gerard J. P et al.Contemporary clinical trials. 2006, Vol 27, Num 1, pp 57-69, issn 1551-7144, 13 p.Article

A functional polymorphism of the μ-opioid receptor gene (OPRM1) influences cue-induced craving for alcohol in male heavy drinkersVAN DEN WILDENBERG, Esther; WIERS, Reinout W; DESSERS, Joelle et al.Alcoholism, clinical and experimental research. 2007, Vol 31, Num 1, pp 1-10, issn 0145-6008, 10 p.Article

Exposure in vivo versus operant graded activity in chronic low back pain patients : Results of a randomized controlled trialLEEUW, Maaike; GOOSSENS, Mariëlle E. J. B; VAN BREUKELEN, Gerard J. P et al.Pain (Amsterdam). 2008, Vol 138, Num 1, pp 192-207, issn 0304-3959, 16 p.Article