one of the key components of the OMERACT Filter. It refers to the practicality and acceptability of using an outcome measure or instrument in research or clinical practice. An instrument with good feasibility is realistic to implement without undue burden or cost. This includes being easy to administer, score, and interpret; requiring minimal time, equipment, or training; and being acceptable to patients, clinicians, and researchers alike. Even if an instrument demonstrates strong Truth and Discrimination, it must also be feasible to use.