Procedure
Participants were recruited via posters
and class announcements. Each student was
assigned to either an experimental or control
group, using a systematic procedure: First
person to contact the student researcher was
assigned to the experimental group; the second
person was assigned to the control group. Each
respondent received an email providing the
date, time, and location of our study. The day
before the testing each student received a
second email to remind them of the
appointment.