Celebrate Valentine's Day with this acrostic poem activity. Think of a word or phrase that starts with each letter of the word valentine.. Download.
The state of being valid, authentic or genuine. validity(Noun) Having legal force. validity(Noun) A quality of a measurement indicating the degree to which the measure reflects the underlying construct, that is, whether it measures what it purports to measure (see reliability).
Validity is important to determining the accuracy of data in a research study, and researchers have to consider internal and external validity in planning a research study to ensure that the results are valid and meaningful.