Posts Tagged ‘peer assessment’

Assessing US News Peer Assessment

Wednesday, August 19th, 2009

Over at Inside Higher Ed, Stephanie Lee, in Reputation Without Rigor, looks at the methodology behind the US News peer assessment survey.   Inside Higher Ed obtained the peer assessment survey form submitted by 48 of the top100 public universities in 2009 US News university rankings.  While she found some gaming, some “major oddities,” most respondents gave “honest, if imperfect” responses.   Her overall conclusion:

the reputational survey is subject to problems, such as haphazard responses and apathetic respondents, that add to the lingering questions about its legitimacy.

Some of the persons who responded on behalf of universities complained of the difficulty of giving an overall evaluation of a university, as opposed to particular programs.  Presumably, that’s less of a problem for the law-school survey.  The real problem was time:

Ten hours. With 260-some colleges, giving each two or three minutes of attention, that’s how long it would take to adequately respond to the U.S. News survey, estimates Daniel M. Fogel, president of the University of Vermont. And he says that’s time no one like him can afford to spend.

With the number of law schools at 200 or so (and growing!), the time problem also affects the law-school peer assessment surveys.

Gary Rosin

Peer Assessments and the Great Divide

Tuesday, August 18th, 2009

Earlier this year, Paul Caron listed the peer assessment scores from the 2010 US News law school rankings. The rating scale runs from 1 (highest) to 5 (lowest). Here’s how the numbers fell out:

Average: 2.55

Percentiles
     25th between 1.9 (22nd) and 2.0 (30th)
     50th between 2.3 (47th) & 2.4 (55th)
     75th about 2.9

The distribution (with a normal reference curve) looks like this:

Distribution of 2010 US News Peer Asessments

Looking at the actual scores, the distribution is decidedly non-normal.  Of particular interest are the “fat tails”–the distributions of the top and bottom 25 percent, which are much larger than would be expected with a normal distribution.  The top 75% of law schools have peer assessments have a range of 1.5 points (1.4 to 1.9), while the for bottom 25%, peer assessments have a slightly larger range, 1.7 points (from 3.1 to 4.8).