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demographics_answers.html
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<head>
<style>
div {
font-family: monospace;
}
table, th, td {
border: 1px solid black;
border-collapse: collapse;
}
tr:nth-child(odd) {
background-color: #FFFFFF;
}
tr:nth-child(even) {
background-color: #EBF2F2;
}
th, td {
text-align: left;
padding: 5px 10px 5px 5px;
}
</style>
</head>
<div>
<h1>demographics_answers</h1>
<h2>Description</h2>
<p>
Stores answers to the questions from the demographics survey and user intent questions.
</p>
<h2> Columns </h2>
<table>
<tr><th>Name</th><th>Description</th></tr>
<tr>
<td>question_id</td><td>The indentifier for a particular question the learner answered. Can be used to connect demographics_answers, demographics_questions, and demographics_choices.</td>
</tr>
<tr>
<td>gatech_demographics_user_id</td><td>Encrypted Coursera user id for gatech demographics data.</td>
</tr>
<tr>
<td>submission_ts</td><td>The timestamp for when the learner submitted their demographic survey.</td>
</tr>
<tr>
<td>choice_id</td><td>The identifier for the answer choice the learner selected for a particular question.</td>
</tr>
<tr>
<td>answer_int</td><td>Demographics question answered by typing an interger (birth year, 4 digits). </td>
</tr>
</table>
<h2>SQL create statement</h2>
<pre>
CREATE TABLE demographics_answers (
question_id int4
,gatech_demographics_user_id VARCHAR(50) NOT NULL
,submission_ts timestamp
,choice_id int4
,answer_int int4
);
</pre>
</div>