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An IERI – International Educational Research Institute Journal

Table 2 Description of the extracted process data

From: Exploring the relationship between process data and contextual variables among Scandinavian students on PISA 2012 mathematics tasks

Process indicator

Description

Accuracy 1

Binary variable for CM015Q01 item with correct = 1 and incorrect = 0

Accuracy 2

Ordinal variable for CM015Q02D item with correct = 2, partial correct = 1, and incorrect = 0

Accuracy 3

Ordinal variable for CM015Q03D item with correct = 2, partial correct = 1, and incorrect = 0

Response time 1

Total amount of time (in min) student spent on the CM015Q01 item

Response time 2

Total amount of time (in min) student spent on the CM015Q02D item

Response time 3

Total amount of time (in min) student spent on the CM015Q03D item

Frequency of action 1

Number of valid values that the student typed in the “number of copies” box when answering CM015Q01 item

Frequency of action 2

Number of valid values that the student typed in the “number of copies” box when answering CM015Q02D item

Frequency of action 3

Number of valid values that the student typed in the “number of copies” box when answering CM015Q03D item

  1. (1) The computation of the response time is the difference on the amount of time for the “START” and “END” trace log events. (2) Example of possible valid values in the “number of copies” box are: 1; 20; 500; or 1000