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______ is/are different standard(s) used to gauge the usefulness of a test.

______ is/are different standard(s) used to gauge the usefulness of a test.

ایک ٹیسٹ کی افادیت کا اندازہ کرنے کے لئے استعمال ہونے والے مختلف معیار (زبانیں ہیں) ہیں۔ _____
Explanation
  • Validity measures whether a test accurately assesses what it is intended to measure.

  • Reliability refers to the consistency and stability of test results over time.