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Pre-testing the instrument to detect weakness is called _______?

Pre-testing the instrument to detect weakness is called _______?

کمزوری کا پتہ لگانے کے آلے کی پری ٹیسٹنگ کو کیا کہا جاتا ہے؟
Explanation
  • Pilot-testing involves trying out the instrument on a small sample to identify and correct weaknesses.
  • It ensures the reliability and validity of the instrument before full-scale implementation.