Types of Validity 1. Face Validity ascertains that the measure appears to be assessing the intended construct under study. The stakeholders can easily assess face validity. Although this is not a very âscientificâ type of validity, it may be an essential component in enlisting motivation of stakeholders.
Learner's definition of GLEAN. 1. [+ object] a : to gather or collect (something) in a gradual way. She gleaned her data from various studies. He has a collection of antique tools gleaned from flea markets and garage sales. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples. b : to search (something) carefully. They spent days gleaning the files for information.
Freebase (0.00 / 0 votes) Rate this definition: Derivation. In linguistics, derivation is the process of forming a new word on the basis of an existing word, e.g. happiness and unhappy from happy, or determination from determine. It often involves the addition of a morpheme in the form of an affix, such as -ness, un- and -ation in the preceding examples.