s, a, e, g, l, n, m, t, i are letters that make 'mental testing'
ti, te, ting, NT, men, en, ng, mental, in, testing, sting, test, mental test, tin, AL, IN, ME, Al, Es, In, Ta, Te, Ti, EST are words within 'mental testing'
1 possible definitions for 'mental testing'
Under this definition, mental testing is a noun and has the following properties:
test, mental test, psychometric test have the same meaning as 'mental testing'
'mental testing' can be a type of mental measurement.
intelligence test, IQ test, personality test, sub-test are types of 'mental testing'.