After reviewing several results in a psychology paper, Jim is trying to determine which results are "statistically significant." In order to do so, he should look for "p values" that are ________.
A) less than 5
B) less than .10
C) less than .05
D) less than or equal to .05

Question

Quizplus · Accepted Answer

A p value less than or equal to .05 is considered statistically significant in psychology research. This means that there is less than a 5% chance that the results occurred by chance alone. Choice A, less than 5, is too vague and could refer to any value less than 5. Choice B, less than .10, is also too lenient and would include results that are not necessarily strong enough to be considered significant. Choice C, less than .05, is close but does not include results that are exactly equal to .05, which are still considered significant in most cases.

After Reviewing Several Results in a Psychology Paper, Jim Is