If a researcher sets a level of significance at .05 (i.e. 5%), what does this mean?
A) Five times out of 100, a significant result will be found that is due to chance alone and not the intervention.
B) Ninety-five times out of 100, a significant result will be found that is due to chance alone and not the intervention.
C) Five times out of 100, a significant result will be found that is not due to chance, but the intervention.
D) None of the above.

Question

Quizplus · Accepted Answer

The level of significance at 0.05 means there is a 5% probability of rejecting the null hypothesis when it is actually true, indicating that 5 times out of 100, a significant result could be due to chance alone.

If a Researcher Sets a Level of Significance at