In the early 13th century, Robert Grosseteste used Abelard's methods of analysis and added the use of observation, experimentation, and conclusions when conducting scientific investigations.
ɪnðɪ ˈɜːli θˈɜːtiːnθ sˈɛntʃɚɹi, ɹˈɑːbɚt ɡɹˈoʊsɪtˌɛst jˈuːzd ˈeɪbəlˌɑːɹdz mˈɛθədz ʌv ɐnˈæləsˌɪs ænd ˈædᵻd ðə jˈuːs ʌv ɑːbzɚvˈeɪʃən, ɛkspˌɛɹɪməntˈeɪʃən, ænd kəŋklˈuːʒənz wɛn kəndˈʌktɪŋ saɪəntˈɪfɪk ɪnvˌɛstɪɡˈeɪʃənz.