ɪt vjˈuːz wˈʌnz lˈaɪf æz ɐ sˈoʊʃəli sˈiːkwənst tˈaɪmlaɪn ænd ɹˈɛkəɡnˌaɪzᵻz ðɪ ɪmpˈoːɹtəns ʌv fˈæktɚz sˈʌtʃ ɐz dʒˌɛnɚɹˈeɪʃənəl səksˈɛʃən ænd ˈeɪdʒ ɪn ʃˈeɪpɪŋ bᵻhˈeɪvjɚ ænd kɚɹˈɪɹ.
It views one's life as a socially sequenced timeline and recognizes the importance of factors such as generational succession and age in shaping behavior and career.