NCAA announces changes to ‘simplify’ formula for college basketball’s NET ratings


Winning percentage, adjusted winning percentage and scoring margin will no longer be components in the NCAA Evaluation Tool (NET) used to judge Division I basketball teams, the NCAA announced Monday. The changes will “increase accuracy and simplify” the NET system, according to the NCAA announcement.

The NET will now use just two factors in its evaluation: team value index (TVI) and adjusted net efficiency rating. Team value index is “a result-based feature that rewards teams for beating quality opponents, particularly away from home,” while adjusted net efficiency rating accounts for “strength of opponent and location across all games played.”

NET rankings and the location of games (home/road/neutral) determine the “quadrant” in which a team’s games fall. Quadrant 1 games are considered the top tier of the sport and Quadrant 4 games are considered the least prestigious. A team’s performance within the four quadrants are a key point of reference for the NCAA Tournament selection committee.

NCAA Senior Vice President of Basketball Dan Gavitt said the NCAA has been “very satisfied” with the performance of the NET since its implementation in 2018 but added that it “became evident” after two seasons with the NET that the changes announced Monday “would be an improvement.”

“While we will continue to monitor the metric, I don’t anticipate any additional adjustments for several years,” Gavitt said. “We believe this change will result in more precision throughout the season and will be easier for our membership and the public to understand.”

The changes mirror adjustments made by the Division I Women’s Basketball Committee last week.





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