However, as such, the two original RCTs, as well as a third positive RCT of SGC in pediatric patients from the same investigators [ 38], remain to have internal validity but fail to have external validity.
Spotify for iPhone (or Android) demands to go online every 30 days to check subscription validity (fail and it's bye-bye to all cached tunes).
In ecology and evolutionary biology, we often do quite a poor job proving generality, but, more important, we almost always fail to assess validity of prior findings rigorously.
We encourage users to look for and identify vague items in any instrument, as these items may reduce face validity and fail to produce meaningful data.
When we openly advocate obeying and dis-obeying laws that are there to maintain law, order, and stability but at the same time fail to question the validity of those laws, we ultimately become immune to the hatred we create.
In addition a Hansen test of instrument validity fails to reject the over identifying restrictions that result from having two instruments.
Italic values indicate failed item-discriminant validity.
The two other systems failed the construct validity assessment.
Cytology failed to prove validity for diagnosing H. pylori in a post-treatment setting.
Early animal models, like inescapable shock-learned helplessness models, though having good face validity, failed to reproduce the HPA axis changes characteristic of PTSD [ 17].
