Expression: C'est la vie. Pronunciation: [say la vee] Meaning: That's life, Such is life. Register: normal. Notes: The French expression c'est la vie is used far more in English than in French, though unlike many borrowed expressions, the meaning is the same in both languages. C'est la vie is a way of acknowledging something less than ideal that has to be accepted because that's just the way life is..
Two measures of internal validity are treatment integrity and procedural reliability, the extent to which the independent variable was implemented as planned. Social validity refers to the social significance of the target behavior, the appropriateness of the procedures, and the social importance of the outcomes. Assessment of social validity typically includes evaluation of consumer opinion.
Definition of Criterion Validity: Criterion validity is the most powerful way to establish a pre-employment testâs validity. Also called concrete validity, criterion validity refers to a testâs correlation with a concrete outcome. In the case of pre-employment tests, the two variables being compared most frequently are test scores and a particular business metric, such as employee performance or retention rates.