tɹɐdˈɪʃənəli, skˈiː ɪnstɹˈʌktɚ sˌɜːɾɪfɪkˈeɪʃən wʌz bˈeɪst mˈoːɹ ˌɔn sʌbdʒˈɛktɪv ɐsˈɛsmənt ʌv fˈɔːɹm ænd tɛknˈiːk ɹˈæðɚ ðɐn ɑːbdʒˈɛktɪv klˈɑːkbˈeɪst pɚfˈoːɹməns.
Traditionally, ski instructor certification was based more on subjective assessment of form and technique rather than objective clock-based performance.