BASIC-05: Biostatistics and Research Design — Measurement Scales, 2x2 Tables, Study Hierarchy, and Bias — Part 1 (Part 1 of 2)

A 68-year-old female presents to the outpatient PM&R clinic with progressive right hand pain and stiffness, limiting her ability to perform daily tasks like dressing and writing. She heard about a 'new, highly accurate' screening test for early hand osteoarthritis and is asking if she should undergo it.