ˈaɪvən pˈævlʌv kəndˈʌktᵻd mˌʌltɪpəl ɛkspˈɛɹɪmənts ɪnvˈɛstᵻɡˌeɪɾɪŋ daɪdʒˈɛstʃən ɪn dˈɑːɡz ɪnwˌɪtʃ nˈuːtɹəl, ʌŋkəndˈɪʃənd, ænd kəndˈɪʃənd stˈɪmjʊlˌaɪ wɜː jˈuːzd.
Ivan Pavlov conducted multiple experiments investigating digestion in dogs in which neutral, unconditioned, and conditioned stimuli were used.