Choose the Sessions... menu to see how many sessions and how many behaviors have been recorded on the Palm handheld (Figure 15.8).

Figure 15.8 – Session Data Screen

Tap OK to close the error message, choose a Curriculum Area, and then proceed.

Never delete mTrial data from a Palm handheld unless you first verify that the Session Data window shows that the Palm handheld is storing 0 sessions and 0 behaviors.