Measurement error arises when the observed data deviate from true values due to inaccuracies in measurement processes, potentially leading to biased estimates and ...

Nielsen’s out-of-home measurement gaffe was worse than the ratings company has presented it, according to a new study by the country’s major TV networks. Last month, Nielsen admitted it had been ...

Nielsen has informed its clients of an “error” in its measurement of out-of-home viewing of sports and other live TV programming, with the issues dating back to September 2020. The out-of-home segment ...

CHAPEL HILL — As a patient undergoing chemotherapy, the last thing that should be on your mind is if you will receive the right dose of medication during treatment. And for parents of pediatric ...