Unformatted text preview: • It must be large and varied enough to be representative. • It must not have much variation in scores. Researchers can use inferential statistics to figure out the likelihood that an observed difference was just due to chance. If it’s unlikely that the difference was due to chance, then the observed difference could be considered statistically significant. Psychologists usually consider a result to be statistically significant if such a result occurs just by chance 5 or fewer times out of every 100 times a study is done. They call this statistical significance at the p ≤ .05 level (p less than or equal to point oh-five). However, statistical significance alone does not make a finding important. Statistical significance simply means that a result is probably not due to chance....
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- Winter '09
- Statistics, researcher, Statistical significance