For over forty years, this method has been proven to be effective in measuring overt and aggressive behavior.

Several years later, when the children were 8, they measured their achievement and behavior in school.

To move toward a more direct measure of impact would require the practices to closely measure performance and behavior.

There is no easy way to correlate these with Nielsen ratings, which come closer to measuring actual behavior.

Until recently, it was impractical to measure light behavior in a cut and polished diamond.

The third approach is to measure light behavior in a real diamond.

Also it measures behavior directly, not reports of behavior or intentions.

To find out what has been learned, we must somehow measure behavior ("performance") in a test situation.

To measure adaptive behavior, professionals use structured interviews, with which they systematically elicit information about persons' functioning in the community from people who know them well.