invalidity

n.

无效力；

1. The invalidity of a labour contract shall be determined by the labour dispute arbitration committee or the people's court.
   劳动合同的无效,由劳动争议仲裁委员会或者人民法院确认。

In defense of external invalidity.
On the invalidity of fuzzifying numerical judgments in the Analytic Hierarchy Process
On the invalidity of fuzzifying numerical judgments in the Analytic Hierarchy Process
On the invalidity of validity scales: evidence from self-reports and observer ratings in volunteer samples
Invalidity of local thermodynamic equilibrium for electrons in the solar transition region. I - Fokker-Planck results
Internal Invalidity in Pretest-Posttest Self-Report Evaluations and a Re-evaluation of Retrospective Pretests:
Invalidity of local thermodynamic equilibrium for electrons in the solar transition region. II. analysis of a linear BGK model
Machiavellian beliefs and personality: Construct invalidity of the Machiavellianism dimension.
The phylogenetic analysis of allozyme data: Invalidity of coding alleles by presence/absence and recommended procedures
Personal need for structure and creative performance: the moderating influence of fear of invalidity