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104 lines
3.4 KiB
HTML
104 lines
3.4 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<script src="../packages/jspsych/dist/index.browser.js"></script>
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<script src="../packages/plugin-image-button-response/dist/index.browser.js"></script>
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<script src="../packages/plugin-preload/dist/index.browser.js"></script>
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<link rel="stylesheet" href="../packages/jspsych/css/jspsych.css">
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</head>
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<body></body>
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<script>
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var jsPsych = initJsPsych({
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on_finish: function() {
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jsPsych.data.displayData();
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}
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});
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var timeline = [];
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// all images are used in standard trials that can be automatically preloaded (as well as being used in trials
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// that use timeline variables), so we can preload all image files with the auto_preload option
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timeline.push({
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type: jsPsychPreload,
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auto_preload: true
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});
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// If render_on_canvas is false, the images will be shown via an <img> rather than <canvas> element.
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// In some browsers, the first time the images are shown, the <img> method (render_on_canvas: false) will produce a brief
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// blank screen (white flash) between images that are presented consecutively with no post_trial_gap between them.
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var trial = {
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type: jsPsychImageButtonResponse,
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stimulus: jsPsych.timelineVariable('stim'),
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trial_duration: 1000,
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choices: ['Happy', 'Sad'],
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prompt: '<p>What emotion is this person showing?</p><p>(1s duration, consecutive images with no post_trial_gap)</p>',
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stimulus_width: 400,
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maintain_aspect_ratio: true,
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post_trial_gap: 0,
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//render_on_canvas: false
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}
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timeline.push({
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timeline: [trial],
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timeline_variables: [
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{stim: 'img/happy_face_1.jpg'},
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{stim: 'img/happy_face_2.jpg'},
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{stim: 'img/happy_face_3.jpg'},
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{stim: 'img/happy_face_4.jpg'}
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]
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});
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timeline.push({
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type: jsPsychImageButtonResponse,
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stimulus: 'img/happy_face_1.jpg',
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choices: ['Happy', 'Sad'],
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prompt: "<p>What emotion is this person showing?</p><p>(Wait for response)</p>",
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post_trial_gap: 500
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});
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timeline.push({
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type: jsPsychImageButtonResponse,
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stimulus: 'img/happy_face_2.jpg',
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stimulus_height: 400,
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choices: ['Happy', 'Sad'],
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stimulus_duration: 1000,
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prompt: "<p>What emotion is this person showing? (image disappears after 1s)</p>",
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post_trial_gap: 500
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});
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timeline.push({
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type: jsPsychImageButtonResponse,
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stimulus: 'img/happy_face_3.jpg',
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stimulus_width: 600,
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choices: ['Happy', 'Sad'],
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trial_duration: 2000,
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response_ends_trial: false,
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prompt: "<p>What emotion is this person showing? (trial ends after 2s)</p>",
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post_trial_gap: 500
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});
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timeline.push({
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type: jsPsychImageButtonResponse,
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stimulus: 'img/happy_face_4.jpg',
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choices: ['Happy', 'Sad'],
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stimulus_width: 400,
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maintain_aspect_ratio: false,
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prompt: '<p>What emotion is this person showing?</p><p>(Stimulus_width set to a smaller value and maintain_aspect_ratio set to false.)</p>',
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post_trial_gap: 500
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});
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timeline.push({
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type: jsPsychImageButtonResponse,
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stimulus: 'img/happy_face_1.jpg',
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choices: ['Happy', 'Sad'],
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enable_button_after: 2000,
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prompt: "<p>What emotion is this person showing? (button enable after 2s)</p>",
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post_trial_gap: 500
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});
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jsPsych.run(timeline);
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</script>
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</html>
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