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DFI.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="jspsych-dist/dist/jspsych.js"></script>
<script src="jspsych-dist/dist/plugin-html-button-response.js"></script>
<script src="jspsych-dist/dist/plugin-preload.js"></script>
<script src="https://pixijs.download/release/pixi.js"></script>
<script src="jspsych-dist/dist/plugin-survey-text.js"></script>
<script src="jspsych-dist/dist/plugin-survey-html-form.js"></script>
<script src="jspsych-dist/dist/plugin-survey-multi-choice.js"></script>
<script src="jspsych-dist/dist/plugin-instructions.js"></script>
<script src="jspsych-dist/dist/plugin-survey-likert.js"></script>
<script src="jspsych-dist/dist/plugin-virtual-chinrest.js"></script>
<script src="jspsych-dist/dist/plugin-fullscreen.js"></script>
<script src="jspsych-dist/dist/plugin-html-slider-response.js"></script>
<script src="jspsych-dist/dist/plugin-html-keyboard-response.js"></script>
<script src="jspsych-psychophysics.js"></script>
<link rel="stylesheet" href="jspsych-dist/dist/jspsych.css"></link>
<style>
.highlighted {
background-color: #e0e0e0; /* Light gray */
}
.justified-text {
text-align: justify;
}
.instruction-container {
display: flex;
flex-direction: column;
align-items: center; /* Centers children horizontally */
justify-content: space-between; /* Maximizes space between children */
height: 100%;
position: relative;
text-align: center;
font-family: 'Arial', sans-serif; /* You can choose any other font family */
}
.instruction-header {
font-weight: bold;
font-size: 1.5em;
margin-bottom: 20px;
}
.instruction-text {
max-width: 800px;
margin: 20px auto;
text-align: center;
line-height: 1.6;
}
.instruction-image {
margin-top: 20px; /* Spacing above the logo */
width: 200px;
height: 200px;
}
</style>
</head>
<body bgcolor="white">
</body>
<script>
function set_html_style_1() {
document.body.style.backgroundColor = 'gray'
}
function set_html_style_2() {
document.body.style.backgroundColor = 'white'
}
function randInt(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
// Assume you have collected jsPsych data in a variable called 'experimentData'
/* function saveData() {
const data = jsPsych.data.get().csv();
p_id = localStorage.getItem('P_id');
const filename = `response/${p_id}.csv`;
downloadCSV(data, filename);
}
function downloadCSV(csv, filename) {
const csvBlob = new Blob([csv], { type: 'text/csv;charset=utf-8;' });
if (navigator.msSaveBlob) {
// IE 10+
navigator.msSaveBlob(csvBlob, filename);
} else {
// Other browsers
const link = document.createElement('a');
link.href = URL.createObjectURL(csvBlob);
link.setAttribute('download', filename);
link.style.visibility = 'hidden';
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
}
}*/
function saveData(data) {
var xhr = new XMLHttpRequest();
xhr.open('POST', 'write_data.php'); // 'write_data.php' is the path to the php file described above.
xhr.setRequestHeader('Content-Type', 'application/json');
xhr.send(JSON.stringify({ filedata: data }));
}
let contentDiv = document.getElementById("content");
const jsPsych = initJsPsych({
show_progress_bar: true,
on_finish: function () {
saveData(jsPsych.data.get().csv());
if (document.exitFullscreen) {
document.exitFullscreen();
} else if (document.mozCancelFullScreen) { /* Firefox */
document.mozCancelFullScreen();
} else if (document.webkitExitFullscreen) { /* Chrome, Safari and Opera */
document.webkitExitFullscreen();
} else if (document.msExitFullscreen) { /* IE/Edge */
document.msExitFullscreen();
}
// Display thank you message
contentDiv.innerHTML = "<h2>Thank You</h2>";
},
use_webaudio: true
});
const participant_id = randInt(100000, 999999);
jsPsych.data.addProperties({ participant_id: participant_id });
localStorage.setItem('P_id', participant_id);
//var jsonData = JSON.stringify(jsPsych.data.get().values());
const pixi_flag = jsPsych.data.getURLVariable('pixi_flag') === '1' ? true : false;
const instruction = {
type: jsPsychInstructions,
show_clickable_nav: true,
pages: [
"<div class='instruction-container'>" +
"<img src='./img/Uni_logo.png' class='instruction-image'>" + "<br>" +
"<div class='instruction-header'>Hello and Welcome to the Experiment</div>" +
"<div class='instruction-text'>" +
"First of all, thank you for participating in this experiment! <br>" +
"I am Ruchira Sakalle, a masters in Cognitive Science Student at The University of Edinburgh. " +
"Your participation is valuable for my dissertation :) <br>" +
"Click next to view the instructions and proceed with the experiment!" +
"</div>" +
"</div>",
"<div class='instruction-container'>" +
"<img src='./img/Uni_logo.png' class='instruction-image'><br><br>" +
"<div class='instruction-text'>" +
"In this experiment, you will be presented with a disk accompanied by some sound.<br>" +
"You have to tell how many disks you see by pressing 0 for no disk, 1 for one disk, and 2 for 2 disks!" +
"</div>" +
"</div>",
"<div class='instruction-container'>" +
"<img src='./img/Uni_logo.png' class='instruction-image'><br><br>" +
"<div class='instruction-text'>" +
"Please Keep your system audio on and use headphones <br> Keep brightness to the fullest. <br> Do not attempt this experiment outdoors in daylight <br> " +
"Observe the disks carefully, don't be in a hurry! Experiment won't proceed unless you have responded to the trial!!"+
"</div>" +
"</div>",
]
};
const sounds = [ // All the sound files used in this demo
'sound/beep-10.wav', 'sound/beep-10.wav', 'sound/beep_20.wav', 'sound/beep_20.wav'
];
// Preloading files are needed to present the stimuli accurately.
const preload = {
type: jsPsychPreload,
audio: sounds
}
const trial = {
type: jsPsychVirtualChinrest,
blindspot_reps: 3,
on_finish: function (data) {
// Store the view_dist_mm value in the global variable
viewDistMM = data.view_dist_mm;
console.log(data.px2mm);
radi = (viewDistMM * 3.779) * 0.0520;
localStorage.setItem('radi', radi);
}
};
const full_screen = {
type: jsPsychFullscreen,
fullscreen_mode: true
};
const trial_block1 = [{
type: jsPsychPsychophysics,
pixi: pixi_flag,
on_start: set_html_style_1,
canvas_height: 500,
stimuli: [
{
obj_type: 'cross',
line_length: 100,
line_color: 'black',
// startX: 700,
// startY: 300,
origin_center: true,
show_start_time: 50,
show_end_time: 400
},
{
obj_type: 'circle',
radius: localStorage.getItem('radi'),
line_color: 'black',
fill_color: 'black',
show_start_time: 500, // ms after the start of the trial
//startX: 700,
//startY: 300,
origin_center: true,
show_end_time: 520
},
{
obj_type: 'sound',
file: jsPsych.timelineVariable('third_sound'),
show_start_time: 500 // ms after the start of the trial
},
],
prompt: "Press 0 ,1 ,2 for number of disks you see",
choices: ['0', '1', '2'],
data: {
correct_response: '1',
illusion:'No'
}
},
{
type: jsPsychPsychophysics,
pixi: pixi_flag,
on_start: set_html_style_1,
canvas_height: 500,
stimuli: [
{
obj_type: 'cross',
line_length: 100,
line_color: 'black',
//startX: 700,
//startY: 300,
origin_center: true,
show_start_time: 10,
show_end_time: 400
},
{
obj_type: 'sound',
file: jsPsych.timelineVariable('second_sound'),
show_start_time: 500 // ms after the start of the trial
},
{
obj_type: 'circle',
radius: localStorage.getItem('radi'),
line_color: 'black',
fill_color: 'black',
show_start_time: 500, // ms after the start of the trial
//startX: 700,
//startY: 300,
origin_center: true,
show_end_time: 530
},
{
obj_type: 'sound',
file: jsPsych.timelineVariable('third_sound'),
show_start_time: 590 // ms after the start of the trial
}
],
prompt: "Press 0 ,1 ,2 for number of disks you see",
choices: ['0', '1', '2'],
data: {
correct_response: '1',
illusion: 'YES'
}
},
{
type: jsPsychPsychophysics,
pixi: pixi_flag,
on_start: set_html_style_1,
canvas_height: 500,
stimuli: [
{
obj_type: 'cross',
line_length: 100,
line_color: 'black',
//startX: 700,
//startY: 300,
origin_center: true,
show_start_time: 10,
show_end_time: 400
},
{
obj_type: 'sound',
file: jsPsych.timelineVariable('second_sound'),
show_start_time: 500 // ms after the start of the trial
}
],
prompt: "Press 0 ,1 ,2 for number of disks you see",
choices: ['0', '1', '2'],
data: {
correct_response: '0',
illusion:'NO' // Change this value according to the correct response for this trial
}
},
{
type: jsPsychPsychophysics,
pixi: pixi_flag,
on_start: set_html_style_1,
canvas_height: 500,
stimuli: [
{
obj_type: 'cross',
line_length: 100,
line_color: 'black',
//startX: 700,
//startY: 300,
origin_center: true,
show_start_time: 10,
show_end_time: 400
},
{
obj_type: 'circle',
radius: localStorage.getItem('radi'),
line_color: 'black',
fill_color: 'black',
show_start_time: 500, // ms after the start of the trial
//startX: 700,
//startY: 300,
origin_center: true,
show_end_time: 530
}
],
prompt: "Press 0 ,1 ,2 for number of disks you see",
choices: ['0', '1', '2'],
data: {
correct_response: '1' ,
illusion: 'NO'// Change this value according to the correct response for this trial
}
}
];
const shuffledTrials_block1 = jsPsych.randomization.repeat(trial_block1, 10);
const confidence_question = {
type: jsPsychHtmlKeyboardResponse,
stimulus: `
<p>How confident are you in your response? Press the corresponding keys from 1 to 5 based on your experience</p>
<ul id="confidence-levels">
<li id="conf-1">1: Not at all confident</li>
<li id="conf-2">2: Slightly confident</li>
<li id="conf-3">3: Somewhat confident</li>
<li id="conf-4">4: Very confident</li>
<li id="conf-5">5: Completely confident</li>
</ul>`,
choices: ['1', '2', '3', '4', '5']
}
const feedback_question = {
type: jsPsychSurveyText,
on_start: set_html_style_2,
questions: [
{
prompt: "Was the experiment easy to understand?",
name: 'EasyToUnderstand',
rows: 2,
columns: 50,
required: true
},
{
prompt: "What changes could we make to the experiment to make it easier for you?",
name: 'Suggestions',
rows: 5,
columns: 50,
required: true
},
{
prompt: "How did you like the interface? Any suggestions to improve it",
name: 'Interface',
rows: 5,
columns: 50,
required: true
},
{
prompt: "Did you feel that the sound alter the perception of flashes ",
name: 'Perception',
rows: 5,
columns: 50,
required: true
}
]
};
// Create a new timeline containing each trial and the confidence question
const trials_with_confidence1 = [];
// Number of trials you want to run
for (let i = 0; i < shuffledTrials_block1.length; i++) {
// Add the trial
trials_with_confidence1.push(shuffledTrials_block1[i]);
// Add the confidence question after each trial
trials_with_confidence1.push(confidence_question);
}
const countdown_trial = {
type: jsPsychHtmlButtonResponse,
stimulus: '<p>You have successfully completed one block of the experiment. The next part of the experiment can be started in <span id="clock">1:00</span> <br>'+'You can take a break for a minute or more if you like and Press continue when you are ready',
choices: [' Continue'],
on_load: function () {
var wait_time = 1 * 60 * 1000; // in milliseconds
var start_time = performance.now();
document.querySelector('button').disabled = true;
var interval = setInterval(function () {
var time_left = wait_time - (performance.now() - start_time);
var minutes = Math.floor(time_left / 1000 / 60);
var seconds = Math.floor((time_left - minutes * 1000 * 60) / 1000);
var seconds_str = seconds.toString().padStart(2, '0');
document.querySelector('#clock').innerHTML = minutes + ':' + seconds_str
if (time_left <= 0) {
document.querySelector('#clock').innerHTML = "0:00";
document.querySelector('button').disabled = false;
clearInterval(interval);
}
}, 250)
}
}
const rt_block1 = []
const var_procedure = {
timeline: trials_with_confidence1, // Use the shuffled trials array here
timeline_variables: [
{ second_sound: sounds[0], third_sound: sounds[1] }
],
on_finish: function (data) {
rt_block1.push(data.rt);
const avg_rt1 = rt_block1.reduce((a, b) => a + b, 0) / rt_block1.length;
console.log(rt_block1.length)
localStorage.setItem("avg_rt_block1", avg_rt1.toFixed(3))
}
};
const response_time_block1 = {
type: jsPsychHtmlKeyboardResponse,
stimulus: "Your average response time is " + localStorage.getItem('avg_rt_block1') + " ms You are doing great",
prompt: "Press space to continue",
choices: [' ']
};
const trials_block2 = [{
type: jsPsychPsychophysics,
pixi: pixi_flag,
on_start: set_html_style_1,
canvas_height: 500,
stimuli: [
{
obj_type: 'cross',
line_length: 100,
line_color: 'black',
//startX: 700,
//startY: 300,
origin_center: true,
show_start_time: 50,
show_end_time: 400
},
{
obj_type: 'circle',
radius: localStorage.getItem('radi'),
line_color: 'black',
fill_color: 'black',
show_start_time: 500, // ms after the start of the trial
//startX: 700,
//startY: 300,
origin_center: true,
show_end_time: 517
},
{
obj_type: 'circle',
radius: localStorage.getItem('radi'),
line_color: 'black',
fill_color: 'black',
show_start_time: 550, // ms after the start of the trial
//startX: 700,
//startY: 300,
origin_center: true,
show_end_time: 567
},
{
obj_type: 'sound',
file: jsPsych.timelineVariable('third_sound20'),
show_start_time: 510 // ms after the start of the trial
},
],
prompt: "Press 0 ,1 ,2 for number of disks you see",
choices: ['0', '1', '2'],
data: {
correct_response: '2',
illusion:'YES' // Change this value according to the correct response for this trial
}
},
{
type: jsPsychPsychophysics,
pixi: pixi_flag,
canvas_height: 500,
stimuli: [
{
obj_type: 'cross',
line_length: 100,
line_color: 'black',
//startX: 700,
//startY: 300,
origin_center: true,
show_start_time: 10,
show_end_time: 400
},
{
obj_type: 'sound',
file: jsPsych.timelineVariable('second_sound'),
show_start_time: 500 // ms after the start of the trial
},
{
obj_type: 'circle',
radius: localStorage.getItem('radi'),
line_color: 'black',
fill_color: 'black',
show_start_time: 500, // ms after the start of the trial
//startX: 700,
//startY: 300,
origin_center: true,
show_end_time: 530
},
{
obj_type: 'circle',
radius: localStorage.getItem('radi'),
line_color: 'black',
fill_color: 'black',
show_start_time: 560, // ms after the start of the trial
//startX: 700,
//startY: 300,
origin_center: true,
show_end_time: 590
},
{
obj_type: 'sound',
file: jsPsych.timelineVariable('third_sound'),
show_start_time: 580 // ms after the start of the trial
}
],
prompt: "Press 0 ,1 ,2 for number of disks you see",
choices: ['0', '1', '2'],
data: {
correct_response: '2' ,
illusion:'NO'// Change this value according to the correct response for this trial
}
},
{
type: jsPsychPsychophysics,
pixi: pixi_flag,
on_start: set_html_style_1,
canvas_height: 500,
stimuli: [
{
obj_type: 'cross',
line_length: 100,
line_color: 'black',
//startX: 700,
//startY: 300,
origin_center: true,
show_start_time: 10,
show_end_time: 400
},
{
obj_type: 'sound',
file: jsPsych.timelineVariable('second_sound'),
show_start_time: 500 // ms after the start of the trial
},
{
obj_type: 'circle',
radius: localStorage.getItem('radi'),
line_color: 'black',
fill_color: 'black',
show_start_time: 500, // ms after the start of the trial
//startX: 700,
//startY: 300,
origin_center: true,
show_end_time: 530
},
{
obj_type: 'sound',
file: jsPsych.timelineVariable('third_sound'),
show_start_time: 590 // ms after the start of the trial
}
],
prompt: "Press 0 ,1 ,2 for number of disks you see",
choices: ['0', '1', '2'],
data: {
correct_response: '1' ,
illusion:'YES'// Change this value according to the correct response for this trial
}
},
];
const trials_with_confidence2 = [];
const shuffledTrials_block2 = jsPsych.randomization.repeat(trials_block2, 13);
for (let i = 0; i < shuffledTrials_block2.length; i++) {
// Add the trial
trials_with_confidence2.push(shuffledTrials_block2[i]);
// Add the confidence question after each trial
trials_with_confidence2.push(confidence_question);
}
const rt_block2 = []
const var_procedure2 = {
timeline: trials_with_confidence2, // Use the shuffled trials array here
timeline_variables: [
{ second_sound20: sounds[2], third_sound20: sounds[3], third_sound: sounds[0], second_sound: sounds[1] }
],
on_finish: function (data) {
rt_block2.push(data.rt);
const avg_rt2 = rt_block2.reduce((a, b) => a + b, 0) / rt_block2.length;
localStorage.setItem("avg_rt_block2", avg_rt2.toFixed(3))
}
};
const response_time_block2 = {
type: jsPsychHtmlKeyboardResponse,
stimulus: "Your average response time is " + localStorage.getItem('avg_rt_block2') + " ms You are doing great",
prompt: "Press space to continue",
choices: [' ']
};
const trials_block3 = [{
type: jsPsychPsychophysics,
pixi: pixi_flag,
on_start: set_html_style_1,
canvas_height: 500,
stimuli: [
{
obj_type: 'cross',
line_length: 100,
line_color: 'black',
//startX:700,
//startY: 300,
origin_center: true,
show_start_time: 50,
show_end_time: 400
},
{
obj_type: 'sound',
file: jsPsych.timelineVariable('third_sound20'),
show_start_time: 500 // ms after the start of the trial
},
{
obj_type: 'circle',
radius: localStorage.getItem('radi'),
line_color: 'black',
fill_color: 'black',
show_start_time: 500, // ms after the start of the trial
//startX: 700,
//startY: 300,
origin_center: true,
show_end_time: 530
},
{
obj_type: 'sound',
file: jsPsych.timelineVariable('third_sound20'),
show_start_time: 535 // ms after the start of the trial
},
],
prompt: "Press 0 ,1 ,2 for number of disks you see",
choices: ['0', '1', '2'],
data: {
correct_response: '1',
illusion: '25' // Change this value according to the correct response for this trial
}
},
{
type: jsPsychPsychophysics,
pixi: pixi_flag,
canvas_height: 500,
stimuli: [
{
obj_type: 'cross',
line_length: 100,
line_color: 'black',
//startX: 700,
//startY: 300,
origin_center: true,
show_start_time: 10,
show_end_time: 400
},
{
obj_type: 'sound',
file: jsPsych.timelineVariable('second_sound20'),
show_start_time: 500 // ms after the start of the trial
},
{
obj_type: 'circle',
radius: localStorage.getItem('radi'),
line_color: 'black',
fill_color: 'black',
show_start_time: 500, // ms after the start of the trial
//startX: 700,
//startY: 300,
origin_center: true,
show_end_time: 530
},
{
obj_type: 'sound',
file: jsPsych.timelineVariable('third_sound20'),
show_start_time: 560 // ms after the start of the trial
}
],
prompt: "Press 0 ,1 ,2 for number of disks you see",
choices: ['0', '1', '2'],
data: {
correct_response: '1',
illusion: '50' // Change this value according to the correct response for this trial
}
},
{
type: jsPsychPsychophysics,
pixi: pixi_flag,
canvas_height: 500,
stimuli: [
{
obj_type: 'cross',
line_length: 100,
line_color: 'black',
//startX: 700,
//startY: 300,
origin_center: true,
show_start_time: 10,
show_end_time: 400
},
{
obj_type: 'sound',
file: jsPsych.timelineVariable('second_sound20'),
show_start_time: 500 // ms after the start of the trial
},
{
obj_type: 'circle',
radius: localStorage.getItem('radi'),
line_color: 'black',
fill_color: 'black',
show_start_time: 500, // ms after the start of the trial
//startX: 700,
//startY: 300,
origin_center: true,
show_end_time: 530
},
{
obj_type: 'sound',
file: jsPsych.timelineVariable('third_sound20'),
show_start_time: 590 // ms after the start of the trial
}
],
prompt: "Press 0 ,1 ,2 for number of disks you see",
choices: ['0', '1', '2'],
data: {
correct_response: '1',
illusion: '80' // Change this value according to the correct response for this trial
}
},
{
type: jsPsychPsychophysics,
pixi: pixi_flag,
on_start: set_html_style_1,
canvas_height: 500,
stimuli: [
{
obj_type: 'cross',
line_length: 100,
line_color: 'black',
//startX: 700,
//startY: 300,
show_start_time: 10,
show_end_time: 400
},
{
obj_type: 'sound',
file: jsPsych.timelineVariable('second_sound'),
show_start_time: 500 // ms after the start of the trial
},
{
obj_type: 'circle',
radius: localStorage.getItem('radi'),
line_color: 'black',
fill_color: 'black',
show_start_time: 500, // ms after the start of the trial
//startX: 700,
//startY: 300,
origin_center: true,
show_end_time: 530
},
{
obj_type: 'sound',
file: jsPsych.timelineVariable('third_sound'),
show_start_time: 610 // ms after the start of the trial
}
],
prompt: "Press 0 ,1 ,2 for number of disks you see",
choices: ['0', '1', '2'],
data: {
correct_response: '1',
illusion: '100' // Change this value according to the correct response for this trial
}
},
{
type: jsPsychPsychophysics,
pixi: pixi_flag,
on_start: set_html_style_1,
canvas_height: 500,
stimuli: [
{
obj_type: 'cross',