The Federal Motor Carrier Safety Administration announced long-awaited proposed changes to its Safety Measurement System — and rejected the recommendation of the National Academy of Sciences to ...

[Stay on top of transportation news: Get TTNews in your inbox.] In 2017, after nearly a year of rigorous study and expert testimony, a National Academy of Sciences academic panel found what members ...

The Federal Motor Carrier Safety Administration (FMCSA) has proposed some significant, highly anticipated changes to the system it uses to identify motor carriers that pose the greatest safety risks.

In the summer of 2017, an elite academic panel of the National Academy of Sciences sent over a slate of data-based recommendations to the Federal Motor Carrier Safety Administration that it suggested ...

Item Response Theory (IRT) has emerged as a pivotal framework for the measurement and analysis of latent traits in educational and psychological assessments. By modelling the probability that a ...

This is a preview. Log in through your library . Abstract Purpose Measurement development in hard-to-reach populations can pose methodological challenges. Item response theory (IRT) is a useful ...