April 01, 2003 article Open access A comparison between traditional methods and multilevel regression for the analysis of multicenter intervention studies Journal of Clinical Epidemiology DOI: 10.1016/s0895-4356(03)00007-6 Full text (OA) OpenAlex Authors 0 Author list not loaded yet. Cited by 3 stored of 153 Search Sort Most cited Newest Oldest Patent citations Title Any typearticle review book-chapter conference-paper preprint dissertation book dataset other Any fieldAgricultural and Biological Sciences Arts and Humanities Biochemistry, Genetics and Molecular Biology Business, Management and Accounting Chemical Engineering Chemistry Computer Science Decision Sciences Dentistry Earth and Planetary Sciences Economics, Econometrics and Finance Energy Engineering Environmental Science Health Professions Immunology and Microbiology Materials Science Mathematics Medicine Neuroscience Nursing Pharmacology, Toxicology and Pharmaceutics Physics and Astronomy Psychology Social Sciences Veterinary Open access Group formation based on extraversion and prior knowledge: a randomized controlled study in higher education online 2024 Journal of Computing in Higher Education article Social Sciences Online and Blended Learning Open access 9 citations The effect of therapist characteristics on the use and outcome of systematic client feedback in outpatient mental healthcare 2023 Clinical Psychology & Psychotherapy article Psychology Psychotherapy Techniques and Applications Open access 7 citations Enhancing the effect of psychotherapy through systematic client feedback in outpatient mental healthcare: A cluster randomized trial. 2021 Psychotherapy Research article Psychology Psychotherapy Techniques and Applications Open access 36 citations 3 results References 0