age ▁team ▁age ’ ▁or ▁‘ bio - band ed ’ ▁competition . ▁ ▁Rel ative ▁Age ▁Dis adv antage ▁– ▁a ▁compet itive ▁dis adv antage ▁acc ru ing ▁to ▁an ▁individual ▁due ▁to ▁being ▁born ▁late ▁in ▁a ▁selection ▁period . ▁A ▁relative ▁age ▁dis adv antage ▁can ▁also ▁acc r ue ▁to ▁a ▁group ▁consisting ▁of ▁a ▁majority ▁of ▁relatively ▁younger ▁individuals . ▁ ▁Rel ative ▁Age ▁Disc rim ination ▁– ▁indirect , ▁system ic ▁disc rim ination , ▁dis adv ant aging ▁relatively ▁young ▁individuals ▁in ▁a ▁coh ort ▁and ▁adv ant aging ▁relatively ▁old ▁individuals ▁in ▁the ▁same ▁coh ort . ▁ ▁Rel ative ▁Age ▁Effect ▁– ▁an ▁observable ▁effect ▁resulting ▁from ▁a ▁relationship ▁between ▁chron ological ▁age ▁and ▁an ▁el ig ibility ▁cut - off ▁date ▁used ▁for ▁coh ort ▁selection . ▁ ▁Rel ative ▁Age ▁Environment ▁– ▁the ▁system ▁of ▁rules ▁gover ning ▁inclusion ▁or ▁ex clusion ▁from ▁coh ort s ▁based ▁on ▁cut - off ▁date ▁el ig ibility ▁rules . ▁ ▁Rel ative ▁Age ▁Qu ota ▁– ▁a ▁qu ota ▁system ▁im posed ▁on ▁a ▁coh ort ▁to ▁establish ▁an ▁even ▁distribution ▁of ▁chron ological ▁ages . ▁ ▁Rel ative ▁Age ▁S ke w ▁– ▁statist ically ▁significant ▁differ ing ▁levels ▁of ▁participation ▁observed ▁amongst ▁relatively ▁older ▁and ▁relatively ▁younger ▁members ▁of ▁a ▁coh ort . ▁ ▁Selection ▁Period ▁– ▁an ▁administr atively ▁or ▁cult ur ally ▁defined ▁time frame , ▁such ▁as ▁a ▁competition ▁season ▁or ▁an ▁academic ▁year , ▁established ▁by ▁reference