From da094d8a3095f004932f4421ea3a45bc224e50df Mon Sep 17 00:00:00 2001
From: Dillon Plunkett <dillonplunkett@gmail.com>
Date: Fri, 14 Sep 2018 19:57:34 -0400
Subject: [PATCH] make shuffleNoRepeats check last two elements

---
 jspsych.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jspsych.js b/jspsych.js
index f4ad0bb5..d164b996 100755
--- a/jspsych.js
+++ b/jspsych.js
@@ -1695,7 +1695,7 @@ jsPsych.randomization = (function() {
     }
 
     var random_shuffle = shuffle(arr);
-    for (var i = 0; i < random_shuffle.length - 2; i++) {
+    for (var i = 0; i < random_shuffle.length - 1; i++) {
       if (equalityTest(random_shuffle[i], random_shuffle[i + 1])) {
         // neighbors are equal, pick a new random neighbor to swap (not the first or last element, to avoid edge cases)
         var random_pick = Math.floor(Math.random() * (random_shuffle.length - 2)) + 1;