added response times

JavaScript Files/Disable one side of a side by side question.js

@@ -0,0 +1,26 @@
+Qualtrics.SurveyEngine.addOnReady(function () {
+	choices = document.querySelectorAll(".Choice");
+
+	this.questionclick = function (event, el) {
+		c_el = el.id.split("#")[1].split("~");
+		if (c_el[0] == 1) {
+			if (c_el[2] == 2) {
+				d_el = choices[c_el[1] - 1].querySelectorAll(".SBS2");
+				for (i = 0; i < d_el.length; i++) {
+					d_el[i].children[0].disable();
+					d_el[i].children[1].style.background = "lightgrey";
+					d_el[i].children[1].style.borderColor = "lightgrey";
+					d_el[i].children[1].style.opacity = "25%";
+				}
+			} else if (c_el[2] == 1) {
+				d_el = choices[c_el[1] - 1].querySelectorAll(".SBS2");
+				for (i = 0; i < d_el.length; i++) {
+					d_el[i].children[0].enable();
+					d_el[i].children[1].style.background = "";
+					d_el[i].children[1].style.borderColor = "";
+					d_el[i].children[1].style.opacity = "";
+				}
+			}
+		}
+	};
+});

JavaScript Files/Response Times for Images.js

@@ -0,0 +1,68 @@
+if (document.getElementById("EndOfSurvey")) { // In case you show a response summary at the end.
+    throw 'Survey has ended!'
+}
+all_q = []; 
+st_time = 0;
+ques_seq = []; // This will keep track of the question sequence in case of randomization. You will find this as the embedded data
+res_time = []; // This will the final response time variable. You will find this as the embedded data
+q_tracker = 1; // Keep a track of which question has been displayed
+
+// Getting the questions from page. 
+document.querySelector("#Questions").childElements().forEach((item) => {
+        if (!item.id.includes("Separator")) {
+            all_q.push(item);
+            ques_seq.push(item.id);
+            item.hide();
+            item.style.textAlign = "center";
+        }
+    });
+
+// This is to hide all buttons. 
+for (i = 1; i < all_q.length; i++) {
+    all_q[i].querySelectorAll("label").forEach((item) => item.hide());
+}
+
+// Show the first question. Descriptive Text
+all_q[0].show();
+
+// Detect if the spacebar is being pressed
+Event.observe(document, "keydown", init_questions);
+
+function init_questions(e) {
+    if (e.keyCode == 32) { // Spacebar was pressed
+
+        // Change the Text to only show answer commands
+        all_q[0].innerHTML =
+            '<div class="InnerInner BorderColor">  <div class="QuestionText BorderColor"><div>Press <b>A</b> for "Yes" and <b>L</b> for "No".</div>';
+
+        all_q[q_tracker].show(); // Display the first question
+        st_time = Date.now(); // Get the time at which it was displayed
+        Event.stopObserving(document, "keydown", init_questions); // Stop tracking the keyboard for the first question
+        Event.observe(document, "keydown", next_question); // Start tracking the keyboard for other questions
+    }
+}
+
+
+function next_question(e) {
+    var choice_num = null;
+    if (e.keyCode == 65) { // 'A' was pressed
+        choice_num = 1; // Choose Yes
+    } else if (e.keyCode == 76) { // 'L' was pressed
+        choice_num = 2; // Choose No
+    }
+    if (choice_num) {
+        res_time.push(Date.now() - st_time); // Store the elapsed time in a variable
+        all_q[q_tracker].querySelectorAll("input")[choice_num - 1].click(); // Select the appropriate choice
+        all_q[q_tracker].hide(); // Hide the current question
+        q_tracker += 1; // Increment the question tracker by 1
+        if (q_tracker < all_q.length) { // If there are still questions left
+            all_q[q_tracker].show(); // Show the next question
+            st_time = Date.now(); // Update the display time
+        } else if (q_tracker == all_q.length) { // If all questions are displayed
+            Qualtrics.SurveyEngine.setEmbeddedData("response_array",res_time);
+            Qualtrics.SurveyEngine.setEmbeddedData("question_seq",ques_seq);
+            Event.stopObserving(document, "keydown", next_question); // Stop tracking the keyboard
+            document.querySelector("#NextButton").click(); // Click the next button
+        }
+    }
+}