| http://www.w3.org/ns/prov#value | - Here T1 shows a test taken before the course on the first day (it is called pretest in the paper), T2 is a test taken after the course on the last day (this is like a final examination, and it is called posttest in the paper), and S1 is the Likert-scaled questionnaire taken at the end of the course on the last day. 180 trainees participated in the experiment, including professional training school
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