jsPsych/examples/jspsych-image-keyboard-response.html

79 lines
2.3 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<script src="../jspsych.js"></script>
<script src="../plugins/jspsych-image-keyboard-response.js"></script>
<link rel="stylesheet" href="../css/jspsych.css">
</head>
<body></body>
<script>
// If render_on_canvas is false, the images will be shown via an <img> rather than <canvas> element.
// In some browsers, the first time the images are shown, the <img> method (render_on_canvas: false) will produce a brief
// blank screen (white flash) between images that are presented consecutively with no post_trial_gap between them.
var trial = {
type: 'image-keyboard-response',
stimulus: jsPsych.timelineVariable('stim'),
trial_duration: 300,
choices: jsPsych.NO_KEYS,
prompt: '<p>Watch the faces.</p>',
stimulus_width: 400,
maintain_aspect_ratio: true,
post_trial_gap: 0,
//render_on_canvas: false
}
var trial_proc = {
timeline: [trial],
timeline_variables: [
{stim: 'img/happy_face_1.jpg'},
{stim: 'img/happy_face_2.jpg'},
{stim: 'img/happy_face_3.jpg'},
{stim: 'img/happy_face_4.jpg'}
],
repetitions: 3
}
var trial_1 = {
type: 'image-keyboard-response',
stimulus: 'img/happy_face_1.jpg',
choices: ['y','n'],
prompt: '<p>Have you seen this face before? Y or N.</p>'
}
var trial_2 = {
type: 'image-keyboard-response',
stimulus: 'img/happy_face_2.jpg',
choices: ['y','n'],
trial_duration: 5000,
prompt: '<p>Have you seen this face before? Y or N. (5s time limit).</p>'
}
var trial_3 = {
type: 'image-keyboard-response',
stimulus: 'img/happy_face_3.jpg',
choices: jsPsych.NO_KEYS,
trial_duration: 2000,
prompt: '<p>No response allowed. 2s wait.</p>'
}
var trial_4 = {
type: 'image-keyboard-response',
stimulus: 'img/happy_face_4.jpg',
choices: ['y','n'],
stimulus_width: 400,
maintain_aspect_ratio: false,
prompt: '<p>Have you seen this face before? Y or N.</p><p>(Stimulus_width set to a smaller value and maintain_aspect_ratio set to false.)</p>'
}
jsPsych.init({
timeline: [trial_proc, trial_1, trial_2, trial_3, trial_4],
preload_images: ['img/happy_face_1.jpg','img/happy_face_2.jpg','img/happy_face_3.jpg','img/happy_face_4.jpg'],
on_finish: function() {
jsPsych.data.displayData();
}
});
</script>
</html>