Along with dividing up their project by theoretical emphasis, anthropologists typically divide the world up into relevant time periods and geographic regions.
ɐlˈɔŋ wɪð dᵻvˈaɪdɪŋ ˌʌp ðɛɹ pɹˈɑːdʒɛkt baɪ θiəɹˈɛɾɪkəl ˈɛmfəsɪs, ˌænθɹəpˈɑːlədʒˌɪsts tˈɪpɪkli dᵻvˈaɪd ðə wˈɜːld ˌʌp ˌɪntʊ ɹˈɛlᵻvənt tˈaɪm pˈiəɹɪədz ænd dʒˌɪəɡɹˈæfɪk ɹˈiːdʒənz.