1step,rule,n_before,n_after,n_removed,rationale21,extracted printed value available,5,5,0,All five studies have the requested printed quantity in their extract32,harmonisable onto theta=ln(T_AI/T_noAI),5,4,1,S5 removed: DiD effect on GitHub output counts around a ban - not a comparison of task-completion times with vs without AI on the same tasks and not randomised43,poolable (SE obtainable from printed quantities),4,2,2,S2 removed (CI only in Figure 1 - not reproduced); S3 removed (significance stars only)5