Current projects

  • DFG-Project: „Optimal Design for Online Generated Adaptive Intelligence Tests“ III (Applicants: H. Holling & R. Schwabe; period: 2017-2020)

  • DFG-Project: "Statistical Methods of Meta-Analysis of Count Data with Rare Events" (Applicants: H. Holling; period: 2019-2022)


Selected completed projects (since 2000)

German Research Foundation (DFG)

  • Optimal designs for Conjoint Analysis I. (Applicants: H. Holling & R. Schwabe; period: 2001-2003)
  • Optimal designs for Conjoint Analysis II. (Applicants: H. Holling & R. Schwabe; period: 2003-2005)
  • Optimal designs for Conjoint Analysis III. (Applicants: H. Holling & R. Schwabe; period: 2005-2008)
  • Meta-analysis of the Validity of Binary Diagnoses Based on Dichotomized Criteria I. (Applicants: H. Holling; period: 2008-2011)
  • Meta-analysis of the Validity of Binary Diagnoses Based on Dichotomized Criteria II. (Applicants: H. Holling period:: 2011-2015)
  • Meta-analysis of the Validity of Binary Diagnoses Based on Dichotomized Criteria III. (Applicants: H. Holling period: 2015-2018)
  • Rule-based Item Generation of Algebra Word Problems Based upon Linear Logistic Test Models for Item Cloning and Optimal Design (Applicants: H. Holling & W. van der Linden, period: 2009-2011)
  • Measuring Divergent Thinking in Youth and the Impact of Culture (Applicants: H. Holling & T. Lubbart; period: 2014-2018)
  • Optimal Design for Online Generated Adaptive Intelligence Tests I (Applicants: H. Holling & R. Schwabe; period: 2010-2013)
  • Optimal Design for Online Generated Adaptive Intelligence Tests II (Applicants: H. Holling & R. Schwabe; period: 2014-2017)


Federal Ministry of Education and Research, Germany (BMBF)

  • Development and Calibration of the Berlin Intelligence Structure Test for Youth: Measurement of Ability and High Abil-ity. (Applicant: H. Holling; period: 2002-2005)
  • Dyscalculia in Primary School Age - Development and Evaluation of a Working Memory-Based Test and Integrative Training Program I (Applicants: H. Holling & C. Dobel; period: 2014-2016)
  • Dyscalculia in Primary School Age - Development and Evaluation of a Working Memory-Based Test and Integrative Training Program II (Applicants: H. Holling & C. Dobel; period: 2016-2019)