A university conducts random urine screening for students in…

A university conducts random urine screening for students in a safety-sensitive clinical program. A student’s initial immunoassay is positive. She reports marijuana use 31 days earlier but denies any recent use. An administrator argues that her explanation is impossible because the usual positive urine window for illegal drugs is 24–48 hours. A second administrator argues that the result establishes recent marijuana use because marijuana can be detected for up to two months. Which interpretation is most appropriate?

Two students walk together at the same speed. One is highly…

Two students walk together at the same speed. One is highly fit, while the other has been inactive for several years. A fitness app classifies the walk as “moderate” for both. Which interpretation is most appropriate when developing their individual programs?