User`s guide

E-Prime User’s Guide
Chapter 1: Introduction
Page 10
modules. These modules replace the methods of PsyDat and PsySquash with the more familiar
metaphor of the Excel spreadsheet. Users of PsyDat who also know Excel will simply give up
thinking about data analysis through PsyDat and switch to thinking in terms of Excel, as
implemented by E-Merge and E-DataAid. To safeguard against data loss, E-Prime collects only
single subject data files, and offers a recovery utility in the event that the data file is lost or
corrupted. Each data file maintains a history of modifications, and security options may be set to
restrict access to certain variables, or to restrict operations on data files.
These five features all make the transition from PsyScope to E-Prime relatively easy. Of course,
there are still new things to learn. One way of managing the transition from PsyScope to E-Prime
relies on examining specific scripts for identical experiments in the two systems. Users who wish
to use this method to transition to E-Prime can access comparable scripts by going to
http://psyscope.psy.cmu.edu for PsyScope scripts and http://step.psy.cmu.edu for E-Prime
scripts.