There is little scientific basis for deciding which of these questions is the «right» one to ask. (educationnext.org)
There is, in fact, little scientific basis for selecting this age group as the most appropriate time for neutering. (cfa.org)
Using standardized tests, which represent one snapshot in time, as the sole point in making decisions about student and school progress has been found by researchers time and again to be an improper use of assessment with little scientific basis. (cce.org)