It involves the testing of the performance of the simulation model using known events.

Several tests exist, for example, testing for factual knowledge such as known public events.

Murphy's best career finish was 11th in a lesser known event at Spain in 2009.

Although a majority of the sporting attractions take place in the city proper, there are a few better known events in the area.

On one extreme, some recount identifiable historical people, in known events, embellished for dramatic reasons.

The first known event, held in 1830, was a variation of the 100-yard dash that included heavy wooden barriers as obstacles.

For subsequent kings, the "prophecies" offer poor correlation with their reigns and known events.

The original eruption, about 30,000 years ago, is one of the largest known volcanic events on Earth.

Since that time, two known events have occurred there.

This is similar to research showing the difference between personal recollections and known events.