The technique's not quite ready for primetime in the marine setting: for one, ocean currents could transport a species» DNA far from where the fish may actually be found, and give inaccurate measures. (scientificamerican.com)
Using the S&P 500 as a benchmark may be an inaccurate measure of portfolio return for individual investors. (investopedia.com)
Teachers welcome evaluation, he said, «but those evaluations should be fair and meaningful and help them improve, not a «gotcha» system that's based on unreliable, invalid and inaccurate measures.» (politico.com)