you can not extend re-entry permit aka travel document. you need to apply for a new one.
If you gain internal validity do you lose external validity
for Gate exam there is a validity but i think for pgeset there is no validity.
examples of internal and external validity
others type of validity of a test other than content
Validity generalization is a statistical approach used to demonstrate that test validities do not vary across situations
Internal validity is the degree to which the results are attributable to the independent variable and not some other explanations.External validity is the extent to which the results of a study can be generalized.
Temporal validity is a type of external validity that refers to whether findings from a study hold true over time.
others type of validity of a test other than content
others type of validity of a test other than content
others type of validity of a test other than content
others type of validity of a test other than content
Causal validity is also referred to as internal validity. It refers to how well experiments are done and what we can infer from those results.