User`s guide

E-Prime User’s Guide
Table of Contents
Page ii
2.4 Stage 2: Elaborate the Trial Procedure _________________________________________ 30
2.4.1 Add Get Ready display____________________________________________________ 30
2.4.2 Add instructions to Fixation and Probe displays_________________________________ 31
2.4.3 Add Prime______________________________________________________________ 31
2.4.4 Add Feedback___________________________________________________________ 33
2.4.5 Run and verify the Get Ready, Prime, and Feedback objects_______________________ 34
2.5 Stage 3: Add All Conditions, Set Number of Trials and Sampling ___________________ 34
2.5.1 Add all conditions________________________________________________________ 34
2.5.2 Set the weights __________________________________________________________ 38
2.5.3 Set the sampling mode and exit condition _____________________________________ 38
2.5.4 Test ___________________________________________________________________ 40
2.6 Stage 4: Add Block Conditions________________________________________________ 40
2.6.1 Add a block List object____________________________________________________ 40
2.6.2 Move the DesignList to BlockProc___________________________________________ 41
2.6.3 Add block instructions ____________________________________________________ 42
2.6.4 Add Introduction and Goodbye to SessionProc _________________________________ 42
2.6.5 Modify TrialProc to use PrimeDuration _______________________________________ 43
2.6.6 Special notes: Multiple methods to divide a design between levels __________________ 44
2.7 Stage 5: Add Practice Block __________________________________________________ 49
2.7.1 Duplicate BlockList in the Browser __________________________________________ 50
2.7.2 Add block level attribute PracticeMode _______________________________________ 50
2.7.3 Use script to terminate practice based on accuracy ______________________________ 51
2.8 Stage 6: Special Functions – Setting Timing Modes, and Graceful Abort _____________ 53
2.8.1 Checking timing modes ___________________________________________________ 53
2.8.2 Providing early graceful abort of a block ______________________________________ 54
2.9 Stage 7: Testing the Experiment_______________________________________________ 55
2.9.1 Run experiment to verify correct and error responses ____________________________ 55
2.9.2 Checking scoring and data collection _________________________________________ 55
2.9.3 Checking timing accuracy _________________________________________________ 56
2.9.4 Running pilot subjects ____________________________________________________ 56
2.10 Stage 8: Running the Experiment _____________________________________________ 57
2.10.1 Running subjects_________________________________________________________ 57
2.10.2 Running on multiple machines ______________________________________________ 58
2.11 Stage 9: Basic Data Analysis__________________________________________________ 59
2.11.1 Merging data____________________________________________________________ 59
2.11.2 Checking data condition accuracy and data quality ______________________________ 61
2.11.3 Analysis and export of data_________________________________________________ 63
2.12 Stage 10: Archiving Experiments and Results ___________________________________ 67
2.12.1 What files to store________________________________________________________ 67
2.12.2 Saving data in a spreadsheet and EDAT formats ________________________________ 67
2.12.3 Saving results of analyses__________________________________________________ 67
2.13 Stage 11: Research Program Development ______________________________________ 68
2.13.1 Modifying experiments____________________________________________________ 68
2.13.2 Sending experiments to colleagues___________________________________________ 68
2.13.3 Developing functional libraries______________________________________________ 69
Chapter 3 : Critical timing in E-Prime - Theory and recommendations_________________________ 71
3.1 Executive Summary of E-Prime Timing Precision and Implementation Methods_______ 71