An experimenter conducts an experiments on the effects of a drug to control hallucinations. He declares the results to be “statistically significant,’ which usually means that:

Question

Xaibi Aslam · Accepted Answer

differences between experimental and control group of this size occur by chance only 5 times out of 100 (or less)

Xaibi Aslam · Answer

even though appropriate statistics were used, no differences could be detected between experimental and control groups

Xaibi Aslam · Answer

the results have important implications for theory or practice

Xaibi Aslam · Answer

differences between experimental and control groups were so large they could never occur by chance alone

Question #38286