Only adults (age . 16) were recruited. Participants were
excluded if they did not have normal or corrected-to-normal
vision (6/9 or better). This study received full ethical approval
by the Cambridge Central Research Ethics Committee (12/
EE/0018). All participants gave written consent prior to enrolling.
To reduce placebo effects, participants were not informed
at the time of testing that the study concerned CT of episodic
memory, but rather were told that the aim was to investigate
the effect of iPad use on psychological processes