(1) In many cases consent was obtained by Government officials through fraud, coercion or misrepresentation, tactics which annulled the validity of such consent.(2) There is, to be sure, a measure of validity to the identification.(3) I question the validity of the results(4) This step is a safety mechanism to prevent prescription forgery because each number can be checked to verify its validity .(5) Triangulation is one way to increase the validity of a qualitative study.(6) The assessment of content validity is a subjective judgment by the investigator, observer, or groups of subject matter experts.(7) one might question the validity of our data(8) Given this methodological limitation, the external validity of the present findings is clearly an issue.(9) one might question the validity of our data(10) This convergence of results across studies using different, complementary methods attests to the validity of the findings.(11) return travel must be within the validity of the ticket(12) They too have their validity to offer to the reader.(13) Of its factual validity , there can be little question.(14) Several general practitioners were lost to follow up, which threatens the internal validity of the trial.(15) First, it questions the validity of the electoral registry.(16) They refused to recognise the appointment, and announced plans for a legal challenge against the validity of the new government.