Answer
c. Scheffe or Tukey
Work Step by Step
$When\:the\:null\:hypothesis\:is\:rejected\:$
$using\:the\:F\:test,\:the\:researcher\:may\:$
$want\:to\:knowwhere\:the\:difference\:among\:$
$the\:means\:is.\:Several\:procedures\:have\:$
$been\:developed\:todetermine\:where\:the\:$
$significant\:differences\:in\:the\:means\:lie\:$
$after\:the\:ANOVA\:procedure\:has\:been\:$
$performed.\:Among\:the\:most\:commonly\:$
$used\:tests\:are\:the\:Scheffé\:test\:and\:$
$theTukey\:test.$
