Dear François, What you are looking for relates to cognitive load theory. There is a lot of research on that subject, and specifically as it applies to multimedia learning. Best regards, ================================== Carlos Pires [log in to unmask] [log in to unmask] ------------------------------------------------------------- Design & New Media MFA // Communication Design PhD Student @ FBA-UL Check the project blog: http://thegolemproject.com ----------------------------------------------------------------- PhD-Design mailing list <[log in to unmask]> Discussion of PhD studies and related research in Design Subscribe or Unsubscribe at https://www.jiscmail.ac.uk/phd-design -----------------------------------------------------------------