She has a high voice that tugs and toys, a twisting, husky guitar sound, a knack for beguiling melodies and smart lyrics and – mark of the most valid folk artists – a way of respecting old forms while making them her own.
Logic does not deal with the particular cases, but only with the most generally valid forms of reasoning or inference, ones that are valid no matter what one reasons about.
As one step toward more frequent use of streetscape audits, validity analyses could result in a shorter form containing the most valid items and scales.
Hence, a randomised trial would be the most valid method to compare actual uptake of different forms of CTC and other tests.
Despite the abundance of questionnaires now available to measure HRQoL in TB patients, the Short Form-36 (SF-36) health survey remains the most valid option [ 3, 4, 6, 10, 13, 14].
That is the most valid letter any reader could write.
Randomised controlled trials are not the only valid form of impact evaluation.
"I don't know any academics who think HSMRs are a valid form of rating hospitals.
We want traditional knowledge to be included as a valid form of evidence".
