A study finds that a representative sample of people given wearable data collection devices provides more equitable and ...

When people read about a poll, they are often told something like this: Pollsters call a random group of people. Though small, we can infer this group is a representative sample of the U.S. population ...

Accurately sampling and testing hay is the only way to get a real understanding of the nutritive value of feed. Using values ...

Among individuals with a diagnosis of type 2 diabetes across the United States, income level, hemoglobin A1c, and comorbidity burden were the primary patient-level drivers of the use of newer ...

Survey researchers increasingly recognize that a single survey of the general public can rarely represent the views of small groups of Americans. Such surveys frequently have too few interviews with ...