@phdthesis{Simacek2022,
  author      = {Thomas Simacek},
  title       = {Knowledge Acquisition on the Learner Level: A Meta-Analysis, a Longitudinal Study and a Second-Order Meta-Analysis on Prerequisites, Processes, and Results of Learning},
  type        = {doctoralthesis},
  pages       = {232},
  school      = {Universit{\"a}t Trier},
  doi       = {10.25353/ubtr-xxxx-2410-ba34},
  year        = {2022},
}