= false;
                } else {
                    document.getElementById("prosodyAssessmentRow").style.display = "";
                }
            });

            scenarioSelection.addEventListener("change", function () {
                setScenario();
            });
            setScenario();

            scenarioStartButton.addEventListener("click", function () {
                switch (scenarioSelection.value) {
                    case 'pronunciationAssessmentOnce':
                        doPron