'जब कोई परीक्षण उसी चीज़ को मापता है जिसे मापने का उसका इरादा है', तो यह परीक्षण की किस विशेषता को दर्शाता है?

Given below are two statements: Statement I: Whenever subjective measurement is called for, every effort should be made to make the subjective evaluation as objective as possible. Statement II: No amount of objective measurement will replace sound judgement, nor is there anything wrong with subjective judgement. In the light of the above statements, choose the correct answer from the options given below:

In educational measurement, the 'reliability' of a test refers to the: