Search Results - "van Breukelen, Gerard J.P"

ANCOVA versus change from baseline had more power in randomized studies and more bias in nonrandomized studies by Van Breukelen, Gerard J.P.

“…For inferring a treatment effect from the difference between a treated and untreated group on a quantitative outcome measured before and after treatment,…”
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Calculating sample sizes for cluster randomized trials: We can keep it simple and efficient by van Breukelen, Gerard J.P, Candel, Math J.J.M

“…Abstract Objective Simple guidelines for calculating efficient sample sizes in cluster randomized trials with unknown intraclass correlation (ICC) and varying…”
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Specialised treatment based on cognitive behaviour therapy versus usual care for tinnitus: a randomised controlled trial by Cima, Rilana FF, Dr, Maes, Iris H, MSc, Joore, Manuela A, PhD, Scheyen, Dyon JWM, MSc, El Refaie, Amr, PhD, Baguley, David M, PhD, Anteunis, Lucien JC, PhD, van Breukelen, Gerard JP, PhD, Vlaeyen, Johan WS, PhD

“…Summary Background Up to 21% of adults will develop tinnitus, which is one of the most distressing and debilitating audiological problems. The absence of…”
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Norms for the Dutch Version of the Young Schema Questionnaire – Adolescent in a Clinical Population by Sijstermans, Dyonne M.L., Span, Marjolijn, Van Breukelen, Gerard J.P., Bol, Yvonne, Braet, Caroline, Roelofs, Jeffrey

“…The Young Schema Questionnaire (YSQ; Young, 1994 ) is a widely used instrument to assess early maladaptive schemas in adults and older adolescents. Despite its…”
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Teleconference use among office workers: An interorganizational comparison of an extended theory of planned behavior model by Lo, Siu Hing, Breukelen, Gerard J.P. Van, Peters, Gjalt-Jorn Y, Kok, Gerjo

“…From a corporate social responsibility perspective, there are many reasons to promote teleconference use as an alternative to business travel. The present…”
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Commuting travel mode choice among office workers: Comparing an Extended Theory of Planned Behavior model between regions and organizational sectors by Lo, Siu Hing, van Breukelen, Gerard J.P., Peters, Gjalt-Jorn Y., Kok, Gerjo

“…Little is known about how contextual factors influence psychosocial determinants of travel mode choice. The reported study examined the effect of…”
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Measuring perceived harmfulness of physical activities in patients with chronic low back pain: the Photograph Series of Daily Activities--short electronic version by Leeuw, Maaike, Goossens, Mariëlle E J B, van Breukelen, Gerard J P, Boersma, Katja, Vlaeyen, Johan W S

“…Cognitive-behavioral models of chronic low back pain (CLBP) predict that dysfunctional assumptions about the harmfulness of activities may maintain…”
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Only reasoned action? An interorganizational study of energy-saving behaviors in office buildings by Lo, Siu Hing, Peters, Gjalt-Jorn Y., van Breukelen, Gerard J. P., Kok, Gerjo

“…Substantial energy savings can be achieved by reducing energy use in office buildings. The reported study used a Theory of Planned Behavior (TPB) model…”
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Detecting the significance of changes in performance on the Stroop Color-Word Test, Rey's Verbal Learning Test, and the Letter Digit Substitution Test: the regression-based change approach by Van der Elst, Wim, Van Boxtel, Martin P J, Van Breukelen, Gerard J P, Jolles, Jelle

“…Serial neuropsychological assessment is often conducted to monitor changes in the cognitive abilities of individuals over time. Because practice effects occur…”
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A comparison between traditional methods and multilevel regression for the analysis of multicenter intervention studies by Moerbeek, Mirjam, van Breukelen, Gerard J.P., Berger, Martijn P.F.

“…This article reviews three traditional methods for the analysis of multicenter trials with persons nested within clusters, i.e., centers, namely naı̈ve…”
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Randomized clinical trials with a pre- and a post-treatment measurement: Repeated measures versus ANCOVA models by Winkens, Bjorn, van Breukelen, Gerard J.P, Schouten, Hubert J.A, Berger, Martijn P.F

“…Abstract Repeated measures (RM) and ANCOVA models are compared with respect to treatment effect estimation in randomized clinical trials with a pre- and a…”
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D -optimality of unequal versus equal cluster sizes for mixed effects linear regression analysis of randomized trials with clusters in one treatment arm by Candel, Math J.J.M., Van Breukelen, Gerard J.P.

“…The efficiency loss due to varying cluster sizes in trials where treatments induce clustering of observations in one of the two treatment arms is examined…”
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Psychometric properties of the Multidimensional Pain Inventory, Dutch language version (MPI-DLV) by Lousberg, Richel, Van Breukelen, Gerard J.P, Groenman, Nico H, Schmidt, Anton J.M, Arntz, Arnoud, Winter, Frits A.M

“…The purpose of this study was to investigate the psychometric properties of a Dutch translation of the Multidimensional Pain Inventory, MPI-DLV. Data was…”
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Influences of Parental and Best Friends' Smoking and Drinking on Adolescent Use: A Longitudinal Study by Engels, Rutger C. M. E., Knibbe, Ronald A., Vries, Hein De, Drop, Maria J., van Breukelen, Gerard J. P.

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An overview of mixture modelling for latent evolutions in longitudinal data: Modelling approaches, fit statistics and software by van der Nest, Gavin, Lima Passos, Valéria, Candel, Math J J M, van Breukelen, Gerard J P

“…The use of finite mixture modelling (FMM) is becoming increasingly popular for the analysis of longitudinal repeated measures data. FMMs assist in identifying…”
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Expand Your Horizon: A programme that improves body image and reduces self-objectification by training women to focus on body functionality by Alleva, Jessica M., Martijn, Carolien, Van Breukelen, Gerard J.P., Jansen, Anita, Karos, Kai

“…•We conducted a randomised controlled trial of the Expand Your Horizon programme.•The programme teaches participants to focus on the functionality of their…”
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ANCOVA Versus CHANGE From Baseline in Nonrandomized Studies: The Difference by van Breukelen, Gerard J. P.

“…The pretest-posttest control group design can be analyzed with the posttest as dependent variable and the pretest as covariate (ANCOVA) or with the difference…”
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Cluster Randomized Trials with a Pretest and Posttest: Equivalence of Three-, Two- and One-Level Analyses, and Sample Size Calculation by Van Breukelen, Gerard J. P.

“…In a cluster randomized trial clusters of persons, for instance, schools or health centers, are assigned to treatments, and all persons in the same cluster get…”
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Best (but oft forgotten) practices: Efficient sample sizes for commonly used trial designs by Candel, Math J.J.M., van Breukelen, Gerard J.P.

“…Designing studies such that they have a high level of power to detect an effect or association of interest is an important tool to improve the quality and…”
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Sample Size Calculation and Optimal Design for Regression-Based Norming of Tests and Questionnaires by Innocenti, Francesco, Tan, Frans E. S., Candel, Math J. J. M., van Breukelen, Gerard J. P.

“…To prevent mistakes in psychological assessment, the precision of test norms is important. This can be achieved by drawing a large normative sample and using…”
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