hiː sˈɔːt tə dɪvˈɛləp saɪkˈɑːlədʒi ˌɪntʊ ɐn ɛkspˌɛɹɪmˈɛntəl sˈaɪəns ðæt dɪdnˌɑːt sˈɪmpli ɐksˈɛpt θiːˈɪstɪk ɛksplɐnˈeɪʃənz fɔːɹ fɪnˈɑːmɪnə.
He sought to develop psychology into an experimental science that did not simply accept theistic explanations for phenomena.