<P> In statistics , the multiple comparisons , multiplicity or multiple testing problem occurs when one considers a set of statistical inferences simultaneously or infers a subset of parameters selected based on the observed values . In certain fields it is known as the look - elsewhere effect . </P>
<P> In statistics , the multiple comparisons , multiplicity or multiple testing problem occurs when one considers a set of statistical inferences simultaneously or infers a subset of parameters selected based on the observed values . In certain fields it is known as the look - elsewhere effect . </P>
when do you need a multiple comparison test
when do you need a multiple comparison test
when one considers a set of statistical inferences simultaneously or infers a subset of parameters selected based on the observed values
when one considers a set of statistical inferences simultaneously or infers a subset of parameters selected based on the observed values