This might be the proper standard of review, for example, if the lower court resolved the case by granting a pre-trial motion to dismiss or motion for summary judgment which is usually based only upon written submissions to the trial court and not on any trial testimony.
ðɪs mˌaɪt biː ðə pɹˈɑːpɚ stˈændɚd ʌv ɹᵻvjˈuː, fɔːɹ ɛɡzˈæmpəl, ɪf ðə lˈoʊɚ kˈoːɹt ɹᵻzˈɑːlvd ðə kˈeɪs baɪ ɡɹˈæntɪŋ ɐ pɹˈiːtɹˈaɪəl mˈoʊʃən tə dɪsmˈɪs ɔːɹ mˈoʊʃən fɔːɹ sˈʌmɚɹi dʒˈʌdʒmənt wˌɪtʃ ɪz jˈuːʒuːəli bˈeɪst ˈoʊnli əpˌɑːn ɹˈɪʔn̩ səbmˈɪʃənz tə ðə tɹˈaɪəl kˈoːɹt ænd nˌɑːt ˌɔn ˌɛni tɹˈaɪəl tˈɛstᵻməni.