▁the ▁rund own ▁of ▁an ▁experimental ▁procedure ▁conducted ▁in ▁America , ▁using ▁data ▁from ▁five ▁urban ▁areas ▁across ▁the ▁country ▁and ▁females ▁ages ▁ 1 8 – 6 5 . ▁A ▁question naire ▁was ▁admin ister ed ▁which ▁determined ▁how ▁" A fr ican ▁American ▁women ▁internal ize ▁beauty ▁and ▁we aring ▁of ▁hair ▁through ▁exam ination ▁of ▁loc us ▁of ▁control ▁and ▁self - este em ." ( E ll is - Her vey ▁ 8 7 9 ) ▁The ▁results ▁showed ▁a ▁positive ▁correlation ▁between ▁high ▁internal ▁loc us ▁of ▁control ▁and ▁we aring ▁hair ▁in ▁its ▁natural ▁state . ▁American ▁women ▁have ▁a ▁feeling ▁of ▁emp ower ment ▁when ▁it ▁comes ▁to ▁we aring ▁their ▁natural ▁hair . ▁ ▁In ▁other ▁di as por ic ▁Black ▁populations ▁During ▁the ▁ 1 9 th ▁century , ▁throughout ▁the ▁West ▁Ind ies , ▁the ▁teach ings ▁of ▁J ama ican ▁political ▁leader ▁Marcus ▁Gar vey ▁encourag ed ▁an ▁active ▁re jection ▁of ▁European ▁standards ▁of ▁beauty . ▁The ▁resulting ▁R ast af ari ▁movement ▁of ▁the ▁ 2 0 th ▁century ▁has ▁maintained ▁that ▁the ▁growth ▁of ▁free form ▁dread lock s ▁is ▁related ▁to ▁spiritual ▁en light en ment , ▁largely ▁informed ▁by ▁the ▁Bib lic al ▁Naz ir ite ▁o ath . ▁The ▁R ast af ari ▁movement ▁has ▁been ▁so ▁influ ential ▁in ▁the ▁visibility ▁and ▁subsequent ▁popular ity ▁of ▁dread lock s , ▁throughout ▁the ▁Car ib bean ▁and ▁in ▁the ▁global ▁African ▁di as por a ,