Paper 1 · Research Aptitude
UGC NET December 2021 June 2022 (21.09.2022) Shift-I
The probability of rejecting a null hypothesis when an alternative is true is called
AProbability level
BPower ✓ Correct
CContra-acceptance
DReality check
Correct answer: (B) Power — The answer is power.
Explanation
★The answer is power.
★Power is the probability of correctly rejecting a false null hypothesis.
★That is, it is rejecting the null when the alternative is in fact true.
★So this probability is called the power of the test.
★A higher power means a better chance of detecting a real effect.
★The other terms do not name this probability.
★So the answer is power.
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