Dr. Hakim has tested a new antipsychotic medication. He followed all the procedures to be sure his data are valid. He uses inferential statistics to see if his results are statistically significant, and he learns that they are in fact significant at the .05 level. This means that the results could have occurred by chance alone only __________ of the time.
A) 5 percent
B) 10 percent
C) 50 percent
D) 99 percent

Question

Quizplus · Accepted Answer

The significance level of .05 indicates that there is a 5 percent probability that the results could have occurred by chance alone.

Dr Hakim Has Tested a New Antipsychotic Medication