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Using the assessment criteria
The method of assessment used by the IBO is criterion-related. That is to say, the method of assessment judges each student in relation to identified assessment criteria and not in relation to the work of other students.
All extended essays are externally assessed by examiners appointed by the IBO, and are marked on a scale from 0 to 36. This maximum score is made up of the total criterion levels available for each essay. The total score obtained on the scale 0 to 36 is used to determine in which of the following bands the extended essay is placed. This band, in conjunction with the band for theory of knowledge, determines the number of diploma points awarded for these two requirements. See the following "Award of diploma points" section for further details.
The band descriptors are:
A Work of an excellent standard
B Work of a good standard
C Work of a satisfactory standard
D Work of a mediocre standard
E Work of an elementary standard.
Award of diploma points
The extended essay contributes to the overall diploma score through the award of points in conjunction with theory of knowledge. A maximum of three points are awarded according to a student's combined performance in both the extended essay and theory of knowledge.
Both the extended essay and theory of knowledge are measured against published assessment criteria. According to the quality of the work, and based on the application of these assessment criteria student's performance in each of the extended essay and theory of knowledge will fall into one of the five bands described previously.
The total number of points awarded is determined by the combination of the performance levels achieved by the student in both the extended essay and theory of knowledge .
A student who, for example, writes a good extended essay and whose performance in theory of knowledge is judged to be satisfactory will be awarded 1 point, while a student who writes a mediocre extended essay and whose performance in theory of knowledge is judged to be excellent will be awarded 2 points.
A student who fails to submit an extended essay will be awarded N for the extended essay, will score no points, and will not be awarded a diploma.
Performance in both the extended essay and theory of knowledge of an elementary standard is a failing condition for the award of the diploma.
Continue to assessment criteria section.
International Baccalaureate Organization. (2007). Assessment. In IBO Extended essay guide, First examinations 2009, (pp. 22-24). New York: International Baccalaureate