In an experiment, an observed effect is called statistically significant if:
A) the experiment will help a large number of people.
B) the study was double-blind.
C) the experiment was well designed.
D) the effect is too large to attribute to chance.

Question

Quizplus · Accepted Answer

Statistically significant means that the observed effect is too large to attribute it to chance. A study can be well designed and still not have a statistically significant result, so A, B, and C are not correct.

In an Experiment, an Observed Effect Is Called Statistically Significant