hiː hɐz ˈɔːlsoʊ hˈɛlpt tə dɪvˈɛləp ɐ stɹˈiːm ʌv paɪənˈɪɹɪŋ sˈɔftwɛɹ pɹˈoʊɡɹæmz fɔːɹ kɹiːˈeɪɾɪŋ ænd ɹˈʌnɪŋ saɪkəlˈɑːdʒɪkəl ɛkspˈɛɹɪmənts, ɪŋklˈuːdɪŋ sˈaɪ skˈoʊp, ɐn ɛkspˌɛɹɪmˈɛntəl kəntɹˈoʊl sˈɪstəm fɚðə mˈækɪntˌɑːʃ; ˈiːpɹˈaɪm, ɐn ɛkspˌɛɹɪmˈɛntəl kəntɹˈoʊl sˈɪstəm fɚðə mˈaɪkɹəsˌɑːft wˈɪndoʊz plˈætfɔːɹm; ænd sˈɪstəm fɔːɹ tˈiːtʃɪŋ ɛkspˌɛɹɪmˈɛntəl saɪkˈɑːlədʒi stˈɛp, ɐ dˈeɪɾəbˌeɪs ʌv skɹˈɪpts fɔːɹ fəsˈɪlᵻtˌeɪɾɪŋ ænd ɪmpɹˈuːvɪŋ saɪkəlˈɑːdʒɪkəl ænd lɪŋɡwˈɪstɪk ɹᵻsˈɜːtʃ.
He has also helped to develop a stream of pioneering software programs for creating and running psychological experiments, including PsyScope, an experimental control system for the Macintosh; E-Prime, an experimental control system for the Microsoft Windows platform; and System for Teaching Experimental Psychology (STEP), a database of scripts for facilitating and improving psychological and linguistic research.