A system for automatically grading graphs in an educational setting

Online educational tools which automatically grade student answers are typically restricted to structured input such as multiple choice, numbers, or structured text. This thesis describes the design and implementation of a tool which can automatically grade the unstructured graphical input of 2D graphs. Student answers are captured on a web interface which allows freeform drawings on a grid similar to drawing on graph paper. Automatic grading is accomplished by running a series of independent tests on a student's drawing. Using six criteria, a large variety of drawings can be graded, and the result of automatically grading a criterion often matches that of a human grader. In addition, to make this system accessible to teachers, an interface for choosing criteria has been designed and tested for use by teachers with little to no programming experience.

Department dc:contributor.department

Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science.

Grantor dc:publisher

Massachusetts Institute of Technology

Year dc:date.issued

2016

Author dc:creator

• Martelly, Daniel A

Advisor dc:contributor.advisor

• Adam J. Hartz.

• Electrical Engineering and Computer Science.

Statement dc:rights

• M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission.

Licence dc:rights.uri

• http://dspace.mit.edu/handle/1721.1/7582

Language dc:language.iso

eng

Handle dc:identifier.uri

http://hdl.handle.net/1721.1/105975

OAI identifier oai:identifier

oai:dspace.mit.edu:1721.1/105975