pˈɛɹiz ᵻpˌɪstɪmˈɑːlədʒi hɐz ˈɔːlsoʊ bˌɪn ɛkstˈɛndᵻd baɪ bˈækstɚ mˈæɡoʊldə ænd kˈoʊwˈɜːkɚz hˌuː wɜː lˈʊkɪŋ æt stˈuːdənts ˌɪntəlˈɛktʃuːəl dɪvˈɛləpmənt ænd ɪn pɚtˈɪkjʊlɚ ðɪ ɛkspˈoʊʒɚ tə ðə ɹᵻsˈɜːtʃ ɛnvˈaɪɹənmənt.
Perry's Epistemology has also been extended by Baxter Magolda and co-workers who were looking at students' intellectual development and in particular the exposure to the research environment.