▁fear ▁( ID AF - 4 C + ), ▁used ▁for ▁adult s ▁and ▁it ▁is ▁separated ▁into ▁ 8 ▁item ▁module ▁and ▁then ▁a ▁further ▁ 1 0 ▁item ▁module . ▁Cor ah s ▁dent al ▁anx iety ▁scale ▁ 1 - 4 ▁questions ▁and ▁then ▁ 1 - 2 6 ▁question . ▁This ▁scale ▁has ▁a ▁ranking ▁system ▁and ▁the ▁second ▁section ▁with ▁ 2 6 ▁questions ▁has ▁ 1 - 4 ▁options ▁r anging ▁from ▁' low ' ▁to ▁' don ' t ▁know ' ▁which ▁is ▁used ▁to ▁assess ▁dent al ▁concern . ▁The ▁first ▁section ▁with ▁ 1 - 4 ▁questions ▁has ▁ 5 ▁L ik ert ▁scale ▁options ▁which ▁are ▁worth ▁ 1 - 5 ▁points ▁with ▁the ▁possible ▁amount ▁of ▁maximum ▁points ▁is ▁ 2 0 . ▁Then ▁depending ▁on ▁the ▁result ▁you ▁rate ▁the ▁dent al ▁anx iety . ▁ 9 - 1 2 ▁being ▁moder ate ▁ 1 3 - 1 4 ▁being ▁high , ▁and ▁ 1 5 - 2 0 ▁being ▁severe . ▁Spiel berger ▁State ▁Tra it ▁An x iety ▁Index ▁( ST A ): ▁an ▁instrument ▁for ▁meas uring ▁anx iety ▁in ▁adult s . ▁It ▁differenti ates ▁between ▁temporary ▁condition ▁of ▁“ state ▁anx iety ” ▁and ▁the ▁more ▁general ▁and ▁long - last ing ▁quality ▁of ▁“ tra it ▁anx iety ”. ▁It ▁can ▁also ▁help ▁differenti ate ▁between ▁anx iety ▁and ▁de pression ▁An x iety ▁S ens itivity ▁Index ▁( AS I ): ▁a ▁ 1