User Perception of Numeric Contribution Semantics for Goal Models: An Exploratory Experiment. - Norah Alothman; Mehrnaz Zhian; Sotirios Liaskos (ER, 2017)

Assessing the Intuitiveness of Qualitative Contribution Relationships in Goal Models: An Exploratory Experiment. - Sotirios Liaskos; Alexis Ronse; Mehrnaz Zhian (ESEM, 2017)

Experimental Practices for Measuring the Intuitive Comprehensibility of Modeling Constructs: An Example Design. - Sotirios Liaskos; Mehrnaz Zhian; Ibrahim Jaouhar (ER (Workshops), 2020)