olemus
statistilise kontrolli põhjal tehtud järelduste täpsuse ja usaldatavuse määr
= the extent to which the conclusions drawn from a statistical test are accurate and reliable

ülevaateid
https://www.itf-oecd.org/sites/default/files/docs/statistical-validity-big-data.pdf

https://www.fs.usda.gov/psw/publications/documents/psw_gtr087/psw_gtr087.pdf

https://samples.jbpub.com/9781284079654/9781284108958_CH12_Pass03.pdf

https://www.cl.uni-heidelberg.de/~riezler/publications/papers/EmpiricalMethodsBOOK-preprint.pdf