This is a question included in PMPQ Lite version:

The current project performance report indicates that the schedule performance index (SPI) is 1.25. This information indicates that the project is:

A) Ahead of schedule

B) Behind schedule

C) Performing poorly with respect to the schedule

D) 25% behind schedule

To see the answer go to www.pmtraining.es/PMPQeng.htm, try PMPQ Lite, and go to question number 3 of Time Management (Knowledge Areas section).