Sentence examples for Leading proficiency from inspiring English sources

Tests written by CTB/McGraw-Hill came under criticism in recent years because researchers found that over time, the questions had become too predictable, leading proficiency rates to rise well above those on the national gold-standard, the National Assessment of Educational Progress.

By the early 1970s, these analyses were conducted by a regional contract laboratory using graphite-furnace atomic-absorption spectrophotometry; this laboratory subsequently became a participant in the interlaboratory blood lead proficiency testing program of the then U.S. Centers for Disease Control.

The laboratory participates in the Centers for Disease Control and Prevention blood lead proficiency testing program administered by the Wisconsin State Laboratory of Hygiene (Madison, WI, USA).

It is also a reference laboratory for the blood lead proficiency testing programs operated by the states of Wisconsin and Pennsylvania.

This laboratory has participated successfully in a CDC-administered quality-control program (Blood Lead Proficiency Testing Program) for the measurement of lead in whole blood.

External blinded quality-control samples were provided throughout the study period by the Maternal and Child Health Bureau and the Wisconsin State Laboratory of Hygiene Cooperative Blood Lead Proficiency Testing Program.

Measurements were performed at the ABC Hospital Trace Metal Laboratory, which participated in the CDC blood lead proficiency testing program administered by the Wisconsin State Laboratory of Hygiene (Madison, WI).

The laboratory participates in the CDC blood lead proficiency testing program administered by the Wisconsin State Laboratory of Hygiene (Madison, WI, USA), which provided external quality control specimens varying from 2 to 88 μg/dL.

The laboratory participates in the CDC blood lead proficiency testing program administered by the Wisconsin State Laboratory of Hygiene (Madison, WI, USA) and maintained acceptable precision and accuracy over the study period.

Analysis of blinded quality control samples provided by the Maternal and Child Health Bureau and the Wisconsin State Laboratory of Hygiene Cooperative Blood Lead Proficiency Testing Program demonstrated good precision and accuracy.

Torlakson said that by 2030, he wants half of the state's 6.2 million K-12 students to participate in classes or programs that lead to proficiency in two or more languages.