all necessary changes to ensure exact ratios of conditions in all tasks plus syntatic and grammatical editings.

Author: Thanh Tung Bui

cued_task_switching_single_task_network/experiment.js

@@ -405,7 +405,8 @@ var instructions_block = {
     '<div class = centerbox><p class = block-text>In this experiment you will have to respond to a sequence of numbers by pressing the "M" and "Z" keys. How you respond to the numbers will depend on the current task, which can change every trial.</p><p class = block-text>On some trials you will have to indicate whether the number is odd or even, and on other trials you will indicate whether the number is higher or lower than 5. Each trial will start with a cue telling you which task to do on that trial.</p></div>',
     '<div class = centerbox><p class = block-text>The cue before the number will be a word indicating the task. There will be four different cues indicating two different tasks. The cues and tasks are described below:</p>' +
     task_list +
-    '<p class = block-text>Practice will start after you end instructions.</p></div>'
+    '<p class = block-text>Practice will start after you end instructions.</p>'+
+    '<p class = block-text>To avoid technical issues, please keep the experiment tab (on Chrome or Firefox) active and in full-screen mode for the whole duration of each task.</p></div>'
   ],
   allow_keys: false,
   show_clickable_nav: true,

cued_task_switching_with_directed_forgetting/experiment.js

@@ -133,7 +133,7 @@ var createTrialTypes = function(numTrialsPerBlock){
 	}
 
 	stims = []
-	for(var numIterations = 0; numIterations < numTrialsPerBlock/16; numIterations++){
+	for(var numIterations = 0; numIterations < numTrialsPerBlock/(directed_cond_array.length*task_conditions.length*cued_conditions.length); numIterations++){
 		for (var numDirectedConds = 0; numDirectedConds < directed_cond_array.length; numDirectedConds++){
 			for (var numTaskConds = 0; numTaskConds < task_conditions.length; numTaskConds++){
 				for (var numCuedConds = 0; numCuedConds < cued_conditions.length; numCuedConds++){
@@ -439,7 +439,7 @@ var credit_var = 0
 
 // new vars
 var practice_len = 16  // must be divisible by 16
-var exp_len = 192 // must be divisible by 16
+var exp_len = 224 // must be divisible by 16
 var numTrialsPerBlock = 32; // divisible by 16
 var numTestBlocks = exp_len / numTrialsPerBlock
 
@@ -609,6 +609,7 @@ var instructions_block = {
 			'  </i>if the probe was in the memory set, and the <i>'+possible_responses[1][0]+'  </i>if not.</p>'+
 
 			'<p class = block-text>We will start practice when you finish instructions. Please make sure you understand the instructions before moving on. During practice, you will receive a reminder of the rules.  <i>This reminder will be taken out for test</i>.</p>'+
+			'<p class = block-text>To avoid technical issues, please keep the experiment tab (on Chrome or Firefox) <i>active and in full-screen mode</i> for the whole duration of each task.</p>'+
 		'</div>'
 	],
 	allow_keys: false,
@@ -707,7 +708,6 @@ for (i = 0; i < practice_len + 1; i++) {
 
 	var ITI_fixation_block = {
 		type: 'poldrack-single-stim',
-		stimulus: getFixation,
 		is_html: true,
 		choices: [possible_responses[0][1],possible_responses[1][1]],
 		data: {
@@ -767,7 +767,7 @@ for (i = 0; i < practice_len + 1; i++) {
 		choices: [possible_responses[0][1],possible_responses[1][1]],
 		data: {trial_id: "practice_trial"},
 		timing_stim: 1000, //1000
-		timing_response: 2000, //1000
+		timing_response: 1000, //1000
 		timing_feedback_duration: 0,
 		is_html: true,
 		on_finish: appendData,
@@ -902,7 +902,6 @@ for (i = 0; i < numTrialsPerBlock + 1; i++) {
 
 	var ITI_fixation_block = {
 		type: 'poldrack-single-stim',
-		stimulus: getFixation,
 		is_html: true,
 		choices: [possible_responses[0][1],possible_responses[1][1]],
 		data: {
@@ -962,7 +961,7 @@ for (i = 0; i < numTrialsPerBlock + 1; i++) {
 		choices: [possible_responses[0][1],possible_responses[1][1]],
 		timing_post_trial: 0,
 		timing_stim: 1000, //1000
-		timing_response: 2000, //1000
+		timing_response: 1000, //1000
 		response_ends_trial: false,
 		on_finish: appendData
 	};

directed_forgetting_single_task_network/experiment.js

@@ -254,7 +254,7 @@ var resetTrial = function() {
 
 
 var createTrialTypes = function (numTrialsPerBlock,numLetters){
-	var probeTypeArray = jsPsych.randomization.repeat(probes, numTrialsPerBlock / 4)
+	var probeTypeArray = jsPsych.randomization.repeat(probes, numTrialsPerBlock / probes.length)
 	var used_letters = []
 	var stims = []
 
@@ -443,7 +443,7 @@ var instructions_block = {
 			'key if it was not in the memory set.</p>'+
 
 			'<p class = block-text>We will start practice when you finish instructions. Please make sure you understand the instructions before moving on. During practice, you will receive a reminder of the rules.  <i>This reminder will be taken out for test</i>.</p>'+
-		
+			'<p class = block-text>To avoid technical issues, please keep the experiment tab (on Chrome or Firefox) <i>active and in full-screen mode</i> for the whole duration of each task.</p>'+
 		'</div>',
 	],
 	allow_keys: false,
@@ -541,7 +541,6 @@ var fixation_block = {
 
 var ITI_fixation_block = {
 	type: 'poldrack-single-stim',
-	stimulus: '<div class = centerbox><div class = fixation><span style="color:white">+</span></div></div>',
 	is_html: true,
 	choices: choices,
 	data: {
@@ -599,7 +598,7 @@ var probe_block = {
 	choices: choices,
 	timing_post_trial: 0,
 	timing_stim: 1000, //1000
-	timing_response: 2000, //1000
+	timing_response: 1000, //1000
 	response_ends_trial: false,
 	on_finish: appendProbeData
 };
@@ -626,7 +625,7 @@ var practice_probe_block = {
 		   exp_stage: "practice"
 		   },
 	timing_stim: 1000, //1000
-	timing_response: 2000, //1000
+	timing_response: 1000, //1000
 	timing_post_trial: 0,
 	is_html: true,
 	prompt: prompt_text,
@@ -711,7 +710,6 @@ for (i = 0; i < (practice_length); i++) {
 
 	var practice_ITI_fixation_block = {
 		type: 'poldrack-single-stim',
-		stimulus: '<div class = centerbox><div class = fixation><span style="color:white">+</span></div></div>',
 		is_html: true,
 		choices: 'none',
 		data: {

directed_forgetting_with_flanker/experiment.js

@@ -96,7 +96,7 @@ var randomDraw = function(lst) {
 var createTrialTypes = function(numTrialsPerBlock){
 
 	var stims = []
-	for(var numIterations = 0; numIterations < numTrialsPerBlock/8; numIterations++){
+	for(var numIterations = 0; numIterations < numTrialsPerBlock/(directed_cond_array.length*flanker_conditions.length); numIterations++){
 		for (var numDirectedConds = 0; numDirectedConds < directed_cond_array.length; numDirectedConds++){
 			for (var numFlankerConds = 0; numFlankerConds < flanker_conditions.length; numFlankerConds++){
 
@@ -351,8 +351,8 @@ var credit_var = 0
 
 // new vars
 var practice_len = 8  // must be divisible by 8
-var exp_len = 192 // must be divisible by 8
-var numTrialsPerBlock = 32; // divisible by 8
+var exp_len = 240 // must be divisible by 8
+var numTrialsPerBlock = 40; // divisible by directed_cond_array * flanker_conditions
 var numTestBlocks = exp_len / numTrialsPerBlock
 
 var accuracy_thresh = 0.75
@@ -513,6 +513,8 @@ var instructions_block = {
 			'<p class = block-text>Please ignore the letters that are not in the middle.</p>'+
 
 			'<p class = block-text>We will start practice when you finish instructions. Please make sure you understand the instructions before moving on. During practice, you will receive a reminder of the rules.  <i>This reminder will be taken out for test</i>.</p>'+
+
+			'<p class = block-text>To avoid technical issues, please keep the experiment tab (on Chrome or Firefox) <i>active and in full-screen mode</i> for the whole duration of each task.</p>'+
 		'</div>'
 	],
 	allow_keys: false,
@@ -611,7 +613,6 @@ for (i = 0; i < practice_len; i++) {
 
 	var ITI_fixation_block = {
 		type: 'poldrack-single-stim',
-		stimulus: '<div class = centerbox><div class = fixation><span style="color:white;">+</span></div></div>',
 		is_html: true,
 		choices: [possible_responses[0][1],possible_responses[1][1]],
 		data: {
@@ -658,7 +659,7 @@ for (i = 0; i < practice_len; i++) {
 		choices: [possible_responses[0][1],possible_responses[1][1]],
 		data: {trial_id: "practice_trial"},
 		timing_stim: 1000, //2000
-		timing_response: 2000,
+		timing_response: 1000,
 		timing_post_trial: 0,
 		is_html: true,
 		on_finish: appendData,
@@ -798,7 +799,6 @@ for (i = 0; i < numTrialsPerBlock; i++) {
 
 	var ITI_fixation_block = {
 		type: 'poldrack-single-stim',
-		stimulus: '<div class = centerbox><div class = fixation><span style="color:white;">+</span></div></div>',
 		is_html: true,
 		choices: [possible_responses[0][1],possible_responses[1][1]],
 		data: {
@@ -847,7 +847,7 @@ for (i = 0; i < numTrialsPerBlock; i++) {
 		choices: [possible_responses[0][1],possible_responses[1][1]],
 		timing_post_trial: 0,
 		timing_stim: 1000, //2000
-		timing_response: 2000, //2000
+		timing_response: 1000, //2000
 		response_ends_trial: false,
 		on_finish: appendData
 	};

directed_forgetting_with_shape_matching/experiment.js

@@ -120,7 +120,7 @@ var randomDraw = function(lst) {
 var createTrialTypes = function(numTrialsPerBlock){
 
 	var stims = []
-	for(var numIterations = 0; numIterations < numTrialsPerBlock/8; numIterations++){
+	for(var numIterations = 0; numIterations < numTrialsPerBlock/(directed_cond_array.length*shape_matching_conditions.length); numIterations++){
 		for (var numDirectedConds = 0; numDirectedConds < directed_cond_array.length; numDirectedConds++){
 			for (var numShapeConds = 0; numShapeConds < shape_matching_conditions.length; numShapeConds++){
 
@@ -341,9 +341,9 @@ var instructTimeThresh = 0 ///in seconds
 var credit_var = 0
 
 // new vars
-var practice_len = 8  // must be divisible by 8
-var exp_len = 192 // must be divisible by 8
-var numTrialsPerBlock = 32; // divisible by 64
+var practice_len = 24  // must be divisible by 8
+var exp_len = 240 // must be divisible by 8
+var numTrialsPerBlock = 40; // divisible by shape_matching_conditions * directed_cond_array
 var numTestBlocks = exp_len / numTrialsPerBlock
 
 var accuracy_thresh = 0.75
@@ -504,6 +504,8 @@ var instructions_block = {
 			'<p class = block-text>Please ignore the red letter.</p>'+
 
 			'<p class = block-text>We will start practice when you finish instructions. Please make sure you understand the instructions before moving on. During practice, you will receive a reminder of the rules.  <i>This reminder will be taken out for test</i>.</p>'+
+
+			'<p class = block-text>To avoid technical issues, please keep the experiment tab (on Chrome or Firefox) <i>active and in full-screen mode</i> for the whole duration of each task.</p>'+
 		'</div>'
 	],
 	allow_keys: false,
@@ -603,7 +605,6 @@ for (i = 0; i < practice_len; i++) {
 
 	var ITI_fixation_block = {
 		type: 'poldrack-single-stim',
-		stimulus: '<div class = centerbox><div class = fixation><span style="color:white;">+</span></div></div>',
 		is_html: true,
 		choices: [possible_responses[0][1],possible_responses[1][1]],
 		data: {
@@ -651,7 +652,7 @@ for (i = 0; i < practice_len; i++) {
 		choices: [possible_responses[0][1],possible_responses[1][1]],
 		data: {trial_id: "practice_trial"},
 		timing_stim: 1000, //2000
-		timing_response: 2000,
+		timing_response: 1000,
 		timing_feedback_duration: 0,
 		timing_post_trial: 0,
 		is_html: true,
@@ -791,7 +792,6 @@ for (i = 0; i < numTrialsPerBlock; i++) {
 
 	var ITI_fixation_block = {
 		type: 'poldrack-single-stim',
-		stimulus: '<div class = centerbox><div class = fixation><span style="color:white;">+</span></div></div>',
 		is_html: true,
 		choices: [possible_responses[0][1],possible_responses[1][1]],
 		data: {
@@ -840,7 +840,7 @@ for (i = 0; i < numTrialsPerBlock; i++) {
 		choices: [possible_responses[0][1],possible_responses[1][1]],
 		timing_post_trial: 0,
 		timing_stim: 1000, //2000
-		timing_response: 2000, //2000
+		timing_response: 1000, //2000
 		response_ends_trial: false,
 		on_finish: appendData
 	};

flanker_single_task_network/experiment.js

@@ -274,7 +274,12 @@ var feedback_instruct_block = {
 var instructions_block = {
 	type: 'poldrack-instructions',
 	pages: [
-		"<div class = centerbox><p class = block-text>In this experiment you will see five letters on the string composed of F's and H's. For instance, you might see 'FFFFF' or 'HHFHH'. Your task is to respond by pressing the key corresponding to the <i>middle</i> letter. So if you see 'FFHFF' you would press the 'H' key.</p><p class = block-text>After each response you will get feedback about whether you were correct or not. We will start with a short practice set.</p></div>"
+		'<div class = centerbox>'+
+			'<p class = block-text>In this experiment you will see five letters on the string composed of F\'s and H\'s. For instance, you might see \'FFFFF\' or \'HHFHH\'. '+
+			'Your task is to respond by pressing the key corresponding to the <i>middle</i> letter. So if you see \'FFHFF\' you would press the \'H\' key.</p>'+
+			'<p class = block-text>After each response you will get feedback about whether you were correct or not. We will start with a short practice set.</p>'+
+			'<p class = block-text>To avoid technical issues, please keep the experiment tab (on Chrome or Firefox) <i>active and in full-screen mode</i> for the whole duration of each task.</p>'+
+		'</div>'
 	],
 	allow_keys: false,
 	data: {

flanker_with_cued_task_switching/experiment.js

@@ -438,6 +438,8 @@ var instructions_block = {
 			'<p class = block-text>Please judge only the center number, you should ignore the other numbers.</p>'+
 
 			'<p class = block-text>We will start practice after you finish instructions. Please make sure you understand the instructions before moving on. During practice, you will receive a reminder of the rules.  <i>This reminder will not be available for test</i>.</p>'+
+
+      '<p class = block-text>To avoid technical issues, please keep the experiment tab (on Chrome or Firefox) <i>active and in full-screen mode</i> for the whole duration of each task.</p>'+
 
 		'</div>'
 	],