According to Barry Johnson, author of Polarity Management, polarity management is the difference between completeness and accuracy. To understand what Johnson means by that, let me use an example: ...

She’s a grad student, a budding molecular biologist who studies yeast to see how proteins interact. He’s a grad student who builds problem-solving algorithms and he’s writing one to help her predict ...

Aetna and Cigna's TIC data generally matched or exceeded their reported provider counts, while UnitedHealthcare listed fewer providers. Physician and hospital outpatient data were more complete than ...