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When a jsPsych experiment is integrated in Terracotta as an LMS assignment, your activity is responsible for supporting student learning and reliably returning students’ scores back to the LMS. The jsPsych experiment must comply with Terracotta’s Terms of Use, and the jsPsych activity is also responsible for presenting an interface that is accessible to diverse learners. Before integrating a jsPsych experiment, ensure the following:
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launch_token: A single-use token for launch validation and score return. The launch token is in UUIDv4 format.
anonymous_id: Anonymized student identifier. This ID matches Terracotta’s participant_id, however, depending on the configuration in Terracotta, students who access an a custom web activity may not be consenting participants. Thus, we use the label anonymous_id to refer to students accessing custom web activities.
assignment_id: Unique identifier for the Canvas assignment
submission_id: Unique identifier for the current submission attempt
condition_name: Experimental condition name
experiment_id: Unique identifier for the experiment (specific to the course)
due_at: Assignment due date and time
remaining_attempts: Number of remaining submission attempts. If there are unlimited attempts available to the student, remaining_attempts = u.
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Push instructions into the jsPsych timeline:
| Code Block | ||
|---|---|---|
| ||
/* Instructions #1 */
var instructions_1 = {
type: jsPsychHtmlButtonResponse,
stimulus: '<div style="width: 800px;">' +
'<h2>Visual <i>N</i>-Back Task Demonstration</h2>' +
'<p>This will test your ability to hold information in short-term, temporary memory. This is called working memory.</p>' +
'</div>',
choices: ["Continue"]
}
timeline.push(instructions_1);
/* Instructions #2 */
var instructions_2 = {
type: jsPsychHtmlButtonResponse,
stimulus: '<div style="width: 800px;">' +
'<p>You will see a sequence of letters presented one at a time. Your task is to determine if the letter on the screen matches ' +
'the letter that appeared two letters before.</p>' +
'<h4>If the letters match, press the M key.</h4>' +
'<p>For example, if you saw the sequence X, C, V, B, V, X you would press the M key when the second V appeared on the screen.</p>' +
'<h4>Do not press any key when there is not a match.</h4>' +
'</div>',
choices: ["Continue"]
}
timeline.push(instructions_2);
/* Instructions #3 */
var instructions_3 = {
type: jsPsychHtmlKeyboardResponse,
stimulus: '<div style="width: 800px;">' +
'<p>The sequence will begin on the next screen.</p>' +
'<p>Remember: press the M key if the letter on the screen matches the letter that appeared two letters ago.</p>' +
'<p>When you are ready to begin, press the M key to begin</p>' +
'</div>',
choices: ["M"],
post_trial_gap: 1000
}
timeline.push(instructions_3); |
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