Sentences with phrase «unreliable measures of value»
Unless current profit margins can be sustained indefinitely, P / E multiples may turn out to be very unreliable measures of value.
http://www.hussman.net/ Not exact matches
However, the vast majority of evidence suggests that P / E ratios are an unreliable way to measure the true value of stocks.
On the third point, Hess explains that value - added measures of teacher effectiveness are too imprecise and unreliable when just a few years of data are used to judge individual teachers.
Experts know that standardized tests are of limited value, because they are unstable, unreliable and most importantly, do not measure the breadth of skills and experience that are the goals of education.
Most importantly, Dr. Darling - Hammond states that evaluation should include evidence of student learning but from sources other than standardized tests, and she rejects growth measures such as SGPs and Value - Added Models because of the ever increasing research base that says they are unreliable and create poor incentives in education.
He argues that coursework was an «unreliable measure» of ability, «much of it had little value» and it could too easily be «influenced» by teachers or parents.