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.
Gradient-The space rate of decrease of a function. The gradient of a function in three space dimensions is the vector normal to surfaces of constant value of the function and directed toward decreasing values, with magnitude equal to the rate of decrease of the function in this direction.he gradient of a straight line is the number of co-ordinates on the y axis to one co-ordinate on the x axis.