Model Search: An Overview. - Herman J. Adèr; Dirk J. Kuik; David Edwards (COMPSTAT, 1998)

Diagramming Research Designs. - Herman J. Adèr (Diagrammatic Representation and Reasoning, 2002)

Generating New Research Hypotheses from a Result Diagram of Qualitative Research. - Herman J. Adèr; H. Roeline W. Pasman; B. Anne-Mei The (Diagrams, 2004)