Quiz on Number Series Special for NTA UGC NET Paper 1 (21 DEC 2020)
Quiz will start as soon as you click the ‘Start Quiz’ button below. Question will come one by one click […]
Quiz will start as soon as you click the ‘Start Quiz’ button below. Question will come one by one click […]
VALIDITYAccording to Goode and Hatt, a measuring instrument (scale, test etc) possesses validity when it actually measures what it claims