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index.html
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<!doctype html>
<html lang="en">
<head>
<title>Simple Reaction Time [jsPsych]</title>
<meta charset="UTF-8">
<script src="jspsych-6.1.0/jspsych.js"></script>
<script src="jspsych-6.1.0/plugins/jspsych-html-keyboard-response.js"></script>
<script src="jspsych-6.1.0/plugins/jspsych-image-keyboard-response.js"></script>
<link href="jspsych-6.1.0/css/jspsych.css" rel="stylesheet" type="text/css"></link>
<script src="jquery/jquery.min.js"></script>
<script src="jspsych-6.1.0/jspsych-pavlovia-3.0.0.js"></script>
<!-- <script type="text/javascript" src="lib/vendors/jspsych-6.0.0/jspsych.js"></script> -->
<!-- <link href="lib/vendors/jspsych-6.0.0/css/jspsych.css" rel="stylesheet" type="text/css" /> -->
<!-- <script type="text/javascript" src="lib/vendors/jspsych-6.0.0/plugins/jspsych-html-keyboard-response.js"></script> -->
<!-- <script type="text/javascript" src="lib/vendors/jspsych-6.0.0/plugins/jspsych-image-keyboard-response.js"></script> -->
<!-- <script type="text/javascript" src="jspsych-6.1.0/jquery-3.5.1.min.js"></script>
<script type="text/javascript" src="jspsych-6.1.0/jspsych-pavlovia-3.0.0.js"></script> -->
</head>
<body>
<script type='text/javascript'>
/* create timeline */
var timeline = [];
var subject_id = jsPsych.randomization.randomID(7);
jsPsych.data.addProperties({subject_id: subject_id});
/* init connection with pavlovia.org */
var pavlovia_init = {
type: "pavlovia",
command: "init"
};
timeline.push(pavlovia_init);
/* define welcome message trial */
var welcome = {
type: "html-keyboard-response",
stimulus: "Welcome to the experiment. Press any key to begin."
};
timeline.push(welcome);
/* define instructions trial */
var instructions = {
type: "html-keyboard-response",
stimulus: "<p>In this experiment, a circle will appear in the center " +
"of the screen.</p><p>If the circle is <strong>blue</strong>, " +
"press the letter F on the keyboard as fast as you can.</p>" +
"<p>If the circle is <strong>orange</strong>, press the letter J " +
"as fast as you can.</p>" +
"<div style='width: 700px;'>" +
"<div style='float: left;'><img src='img/blue.png'/>" +
"<p class='small'><strong>Press the F key</strong></p></div>" +
"<div class='float: right;'><img src='img/orange.png'/>" +
"<p class='small'><strong>Press the J key</strong></p></div>" +
"</div>" +
"<p>Press any key to begin.</p>",
post_trial_gap: 2000
};
timeline.push(instructions);
/* test trials */
var test_stimuli = [
{ stimulus: "img/blue.png", data: { test_part: 'test', correct_response: 'f' } },
{ stimulus: "img/orange.png", data: { test_part: 'test', correct_response: 'j' } }
];
var fixation = {
type: 'html-keyboard-response',
stimulus: '<div style="font-size:60px;">+</div>',
choices: jsPsych.NO_KEYS,
trial_duration: function () {
return jsPsych.randomization.sampleWithoutReplacement([250, 500, 750, 1000, 1250, 1500, 1750, 2000], 1)[0];
},
data: { test_part: 'fixation' }
}
var test = {
type: "image-keyboard-response",
stimulus: jsPsych.timelineVariable('stimulus'),
choices: ['f', 'j'],
data: jsPsych.timelineVariable('data'),
on_finish: function (data) {
data.correct = data.key_press === jsPsych.pluginAPI.convertKeyCharacterToKeyCode(data.correct_response);
data.collect = "TRUE";
},
};
var test_procedure = {
timeline: [fixation, test],
timeline_variables: test_stimuli,
repetitions: 5,
randomize_order: true
}
timeline.push(test_procedure);
/* define debrief */
var debrief_block = {
type: "html-keyboard-response",
stimulus: function () {
var trials = jsPsych.data.get().filter({ test_part: 'test' });
var correct_trials = trials.filter({ correct: true });
var accuracy = Math.round(correct_trials.count() / trials.count() * 100);
var rt = Math.round(correct_trials.select('rt').mean());
return "<p>You responded correctly on " + accuracy + "% of the trials.</p>" +
"<p>Your average response time was " + rt + "ms.</p>" +
"<p>Press any key to complete the experiment. Thank you!</p>";
}
};
timeline.push(debrief_block);
// /* finish connection with pavlovia.org */
var pavlovia_finish = {
type: "pavlovia",
command: "finish",
// participantId: subject_id
};
timeline.push(pavlovia_finish);
/* start the experiment */
jsPsych.init({
timeline: timeline,
on_finish: function (data) {
// jsPsych.data.displayData();
var filename = subject_id+'.csv';
// jsPsych.data.get().localSave('csv', filename);
// jsPsych.data.get().filter({test_part: "test"}).localSave('csv', filename);
}
});
</script>
</body>
</html>