▁dan cer ▁to ▁mark ▁his ▁or ▁her ▁progress ▁in ▁the ▁art ▁of ▁dance . ▁They ▁have ▁been ▁extremely ▁popular ▁since ▁their ▁introduction ▁in ▁the ▁early ▁ 1 9 3 0 s . ▁They ▁are ▁not ▁a ▁form ▁of ▁professional ▁qual ification . ▁Professional ▁qual ifications ▁are ▁also ▁offered ▁by ▁the ▁same ▁organis ations , ▁and ▁they ▁are ▁much ▁more ▁extensive ▁and ▁demand ing . ▁ ▁During ▁a ▁medal ▁test , ▁a ▁dan cer ▁will ▁either ▁dance ▁alone ▁( bal let ) ▁or ▁be ▁partner ed ▁by ▁their ▁teacher ▁( ball room ). ▁An ▁exam iner , ▁appointed ▁by ▁the ▁exam ining ▁body , ▁will ▁observe ▁the ▁performance , ▁and ▁mark ▁it . ▁ ▁It ▁is ▁usual ▁for ▁dance ▁teacher ▁organis ations ▁to ▁print ▁gu idel ines ▁for ▁the ▁figures ▁or ▁rout ines ▁to ▁be ▁tested . ▁Fig ures , ▁given ▁a ▁name , ▁such ▁as ▁' wh isk ' ▁or ▁' sp in ▁turn ', ▁are ▁am alg am ated ▁into ▁a ▁routine . ▁ ▁The ▁exam ining ▁body ▁pres cri bes ▁a ▁sy ll ab us ▁of ▁figures ▁from ▁which ▁the ▁rout ines ▁are ▁formed . ▁The ▁sy ll ab us ▁and ▁detailed ▁instructions ▁for ▁performing ▁the ▁d ances ▁are ▁published ▁or ▁specified ▁by ▁the ▁exam ining ▁body , ▁and ▁available ▁for ▁purchase ▁as ▁books ▁or ▁pam ph lets . ▁The ▁instruct or ▁will ▁have ▁prepared ▁an ▁am alg am ation ▁of ▁figures ▁suitable ▁for ▁each ▁level ▁of ▁medal . ▁ ▁The ▁lower ▁levels ▁of ▁exam ination ▁generally ▁consist ▁mainly ▁of ▁basic