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A transaction is an interaction between the student and the tutoring system.
A transaction is an interaction between the student and the tutoring system.


In Table-1 above, a list of transactions is displayed for a single student working on two tutor problems. In this data, multiple transactions often exist for a single step (the step SCRAP-METAL-AREA Q1, for example, is listed in multiple transactions). These multiple transactions are also known as attempts for a given step.
In the transaction table excerpt below, a list of transactions is displayed for a single student working on two tutor problems. In this data, multiple transactions often exist for a single step (the step SCRAP-METAL-AREA Q1, for example, is listed in multiple transactions). These multiple transactions are also known as attempts for a given step.
 
<table id="table-1"><caption>Table-1: Transaction table excerpt</caption>
            <tr>
                <th>#</th>
                <th>Student</th>
                <th>Problem</th>
                <th>Step</th>
 
                <th>Attempt #</th>
                <th>Student Input</th>
                <th>Evaluation</th>
                <th>Knowledge component</th>
            </tr>
            <tr>
                <td>1</td>
                <td>S01</td>
                <td>WATERING_VEGGIES</td>
                <td>(SPRAY-RADIUS Q1)</td>
                <td>1</td>
 
                <td>2</td>
                <td>CORRECT</td>
                <td>Enter-Given</td>
            </tr>
            <tr>
                <td>2</td>
                <td>S01</td>
 
                <td>WATERING_VEGGIES</td>
                <td>(WATERED-AREA Q1)</td>
                <td>1</td>
                <td>12.56</td>
                <td>CORRECT</td>
                <td>Circle-Area</td>
 
            </tr>
            <tr>
                <td>3</td>
                <td>S01</td>
                <td>WATERING_VEGGIES</td>
                <td>(TOTAL-GARDEN Q1)</td>
                <td>1</td>
 
                <td>39.43</td>
                <td>INCORRECT</td>
                <td></td>
            </tr>
            <tr>
                <td>4</td>
                <td>S01</td>
 
                <td>WATERING_VEGGIES</td>
                <td>(TOTAL-GARDEN Q1)</td>
                <td>1</td>
                <td>94.985</td>
                <td>INCORRECT</td>
                <td></td>
 
            </tr>
            <tr>
                <td>5</td>
                <td>S01</td>
                <td>WATERING_VEGGIES</td>
                <td>(TOTAL-GARDEN Q1)</td>
                <td>2</td>
 
                <td>HINT</td>
                <td>HINT</td>
                <td></td>
            </tr>
            <tr>
                <td>6</td>
                <td >S01</td>
 
                <td>WATERING_VEGGIES</td>
                <td>(TOTAL-GARDEN Q1)</td>
                <td>3</td>
                <td>30.25</td>
                <td>CORRECT</td>
                <td>Rectangle-Area</td>
 
            </tr>
            <tr>
                <td>7</td>
                <td>S01</td>
                <td>WATERING_VEGGIES</td>
                <td>(UNWATERED-AREA Q1)</td>
                <td>1</td>
 
                <td>17.69</td>
                <td>CORRECT</td>
                <td>Compose-Areas</td>
            </tr>
            <tr>
                <td>8</td>
                <td>S01</td>
 
                <td>WATERING_VEGGIES</td>
                <td>DONE</td>
                <td>1</td>
                <td>DONE</td>
                <td>CORRECT</td>
                <td>Determine-Done</td>
 
            </tr>
            <tr>
                <td>9</td>
                <td>S01</td>
                <td>MAKING-CANS</td>
                <td>(POG-RADIUS Q1)</td>
                <td>1</td>
 
                <td>4</td>
                <td>CORRECT</td>
                <td>Enter-Given</td>
            </tr>
            <tr>
                <td>10</td>
                <td>S01</td>
 
                <td>MAKING-CANS</td>
                <td>(SQUARE-BASE Q1)</td>
                <td>1</td>
                <td>8</td>
                <td>CORRECT</td>
                <td>Enter-Given</td>
 
            </tr>
            <tr>
                <td>11</td>
                <td>S01</td>
                <td>MAKING-CANS</td>
                <td>(SCRAP-METAL-AREA Q1)</td>
                <td>1</td>
 
                <td>32</td>
                <td>INCORRECT</td>
                <td></td>
            </tr>
            <tr>
                <td>12</td>
                <td>S01</td>
 
                <td>MAKING-CANS</td>
                <td>(SCRAP-METAL-AREA Q1)</td>
                <td>2</td>
                <td>4</td>
                <td>INCORRECT</td>
                <td></td>
 
            </tr>
            <tr>
                <td>13</td>
                <td>S01</td>
                <td>MAKING-CANS</td>
                <td>(SQUARE-AREA Q1)</td>
                <td>1</td>
 
                <td>64</td>
                <td>CORRECT</td>
                <td>Square-Area</td>
            </tr>
            <tr>
                <td>14</td>
                <td>S01</td>
 
                <td>MAKING-CANS</td>
                <td>(POG-AREA Q1)</td>
                <td>1</td>
                <td>50.24</td>
                <td>CORRECT</td>
                <td>Circle-Area</td>
 
            </tr>
            <tr>
                <td>15</td>
                <td>S01</td>
                <td>MAKING-CANS</td>
                <td>(SCRAP-METAL-AREA Q1)</td>
                <td>3</td>
 
                <td>13.76</td>
                <td>CORRECT</td>
                <td>Compose-Areas</td>
            </tr>
            <tr>
                <td>16</td>
                <td>S01</td>
 
                <td>MAKING-CANS</td>
                <td>(POG-RADIUS Q2)</td>
                <td>1</td>
                <td>8</td>
                <td>CORRECT</td>
                <td>Enter-Given</td>
 
            </tr>
            <tr>
                <td>17</td>
                <td>S01</td>
                <td>MAKING-CANS</td>
                <td>(SQUARE-BASE Q2)</td>
                <td>1</td>
 
                <td>16</td>
                <td>CORRECT</td>
                <td>Enter-Given</td>
            </tr>
            <tr>
                <td>18</td>
                <td>S01</td>
 
                <td>MAKING-CANS</td>
                <td>(SQUARE-AREA Q2)</td>
                <td>1</td>
                <td>256</td>
                <td>CORRECT</td>
                <td>Square-Area</td>
 
            </tr>
            <tr>
                <td>19</td>
                <td>S01</td>
                <td>MAKING-CANS</td>
                <td>(POG-AREA Q2)</td>
                <td>1</td>
 
                <td>200.96</td>
                <td>CORRECT</td>
                <td>Circle-Area</td>
            </tr>
            <tr>
                <td>20</td>
                <td>S01</td>
 
                <td>MAKING-CANS</td>
                <td>(SCRAP-METAL-AREA Q2)</td>
                <td>1</td>
                <td>55.04</td>
                <td>CORRECT</td>
                <td>Compose-Areas</td>
 
            </tr>
            <tr>
                <td>21</td>
                <td>S01</td>
                <td>MAKING-CANS</td>
                <td>(POG-RADIUS Q3)</td>
                <td>1</td>
 
                <td>12</td>
                <td>CORRECT</td>
                <td>Enter-Given</td>
            </tr>
            <tr>
                <td>22</td>
                <td>S01</td>
 
                <td>MAKING-CANS</td>
                <td>(SQUARE-BASE Q3)</td>
                <td>1</td>
                <td>24</td>
                <td>CORRECT</td>
                <td>Enter-Given</td>
 
            </tr>
            <tr>
                <td>23</td>
                <td>S01</td>
                <td>MAKING-CANS</td>
                <td>(SQUARE-AREA Q3)</td>
                <td>1</td>
 
                <td>576</td>
                <td>CORRECT</td>
                <td>Square-Area</td>
            </tr>
            <tr>
                <td>24</td>
                <td>S01</td>
 
                <td>MAKING-CANS</td>
                <td>(POG-AREA Q3)</td>
                <td>1</td>
                <td>452.16</td>
                <td>CORRECT</td>
                <td>Circle-Area</td>
 
            </tr>
            <tr>
                <td>25</td>
                <td>S01</td>
                <td>MAKING-CANS</td>
                <td>(SCRAP-METAL-AREA Q3)</td>
                <td>1</td>
 
                <td>123.84</td>
                <td>CORRECT</td>
                <td>Compose-Areas</td>
            </tr>
            <tr>
                <td>26</td>
                <td>S01</td>
 
                <td>MAKING-CANS</td>
                <td>DONE</td>
                <td>1</td>
                <td>DONE</td>
                <td>CORRECT</td>
                <td>Determine-Done</td>
 
            </tr>
 
    </table>

Revision as of 19:27, 27 February 2007

A transaction is an interaction between the student and the tutoring system.

In the transaction table excerpt below, a list of transactions is displayed for a single student working on two tutor problems. In this data, multiple transactions often exist for a single step (the step SCRAP-METAL-AREA Q1, for example, is listed in multiple transactions). These multiple transactions are also known as attempts for a given step.

Table-1: Transaction table excerpt
# Student Problem Step Attempt # Student Input Evaluation Knowledge component
1 S01 WATERING_VEGGIES (SPRAY-RADIUS Q1) 1 2 CORRECT Enter-Given
2 S01 WATERING_VEGGIES (WATERED-AREA Q1) 1 12.56 CORRECT Circle-Area
3 S01 WATERING_VEGGIES (TOTAL-GARDEN Q1) 1 39.43 INCORRECT
4 S01 WATERING_VEGGIES (TOTAL-GARDEN Q1) 1 94.985 INCORRECT
5 S01 WATERING_VEGGIES (TOTAL-GARDEN Q1) 2 HINT HINT
6 S01 WATERING_VEGGIES (TOTAL-GARDEN Q1) 3 30.25 CORRECT Rectangle-Area
7 S01 WATERING_VEGGIES (UNWATERED-AREA Q1) 1 17.69 CORRECT Compose-Areas
8 S01 WATERING_VEGGIES DONE 1 DONE CORRECT Determine-Done
9 S01 MAKING-CANS (POG-RADIUS Q1) 1 4 CORRECT Enter-Given
10 S01 MAKING-CANS (SQUARE-BASE Q1) 1 8 CORRECT Enter-Given
11 S01 MAKING-CANS (SCRAP-METAL-AREA Q1) 1 32 INCORRECT
12 S01 MAKING-CANS (SCRAP-METAL-AREA Q1) 2 4 INCORRECT
13 S01 MAKING-CANS (SQUARE-AREA Q1) 1 64 CORRECT Square-Area
14 S01 MAKING-CANS (POG-AREA Q1) 1 50.24 CORRECT Circle-Area
15 S01 MAKING-CANS (SCRAP-METAL-AREA Q1) 3 13.76 CORRECT Compose-Areas
16 S01 MAKING-CANS (POG-RADIUS Q2) 1 8 CORRECT Enter-Given
17 S01 MAKING-CANS (SQUARE-BASE Q2) 1 16 CORRECT Enter-Given
18 S01 MAKING-CANS (SQUARE-AREA Q2) 1 256 CORRECT Square-Area
19 S01 MAKING-CANS (POG-AREA Q2) 1 200.96 CORRECT Circle-Area
20 S01 MAKING-CANS (SCRAP-METAL-AREA Q2) 1 55.04 CORRECT Compose-Areas
21 S01 MAKING-CANS (POG-RADIUS Q3) 1 12 CORRECT Enter-Given
22 S01 MAKING-CANS (SQUARE-BASE Q3) 1 24 CORRECT Enter-Given
23 S01 MAKING-CANS (SQUARE-AREA Q3) 1 576 CORRECT Square-Area
24 S01 MAKING-CANS (POG-AREA Q3) 1 452.16 CORRECT Circle-Area
25 S01 MAKING-CANS (SCRAP-METAL-AREA Q3) 1 123.84 CORRECT Compose-Areas
26 S01 MAKING-CANS DONE 1 DONE CORRECT Determine-Done
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