LESSON 6 Flashcards
degree by which ‘the instrument measures what intends to measure’
validity
proved that the ‘instrument will consistently measure the right variables to be investigated’
validity
the methods of establishing validity ‘deals with basic level of knowledge about the variable’ and look at an instrument’s apparent value
self-evident measures
refers whether the instrument ‘looks as though it is measuring the appropriate construct’
face validity
this is the lowest validation
face validity
it is ‘used only when you are beginning to study a particular variable and have no prior knowledge to literature’
face validity
self evident measures consists of:
face validity
content validity
the degree to which an instrument has an appropriate sample of items fro the construct being measured and adequately ‘covers the CONSTRUCT domain’
content validity
these are asked to judge whether or not ‘‘on the face of it’’, your work appears to be sound, that it will do what you want it to do
panel of experts or subject matter experts