A system using multiple input methods to grade papers based MCQ exams. The system can receive input from the PowerGrader Android application, or a user can upload a pdf to the website generated from a scanner, or from a mobile application like CamScanner! Students use bubble sheets for answering the questions. Our experiments show that this is a lot more reliable and faster than the manual grading for MCQ exams. We have tested the system with thousands of paper, and it is always more accurate than the manual grading.
An Android application that enables users to quickly grade Multiple Choice Questions exams. The application uses the smart phone camera to capture pictures for the answer sheets, and the grades are sent to the instructor’s email.
Using a normal Android phone, the whole process for 100 pages takes around 12 minutes! This includes taking the pictures of the sheets, automatically grading the sheets, writing the grades to students list Excel file, and doing many statistics and generating insights about the exam.
University professors, teaching assistants, training centers, TOEFL and GRE centers, School teachers, and anyone that can use MCQ questions in their exams.
Answer sheets for different number of questions can be generated in less than a minute on the website. Exams can have up to 100 questions.
Exam can have different groups with different number of answers. For example, the first 20 questions can be True or False, and the next 20 questions can have 4 choices.
Answer sheet can either has a part for student ID or not. In case of no ID, the grades will be written on an Excel file according to the order of the papers. This can be useful in the final exams, where student ID is not written by the student. In the case of final exams, the sheet can have a part from a serial number.
Wrong answers can be penalized with a negative grade.
Different questions can have different points and different penalties for wrong answers. For example, questions from 1 to 10 can have 1 point each, and questions from 11 to 20 can have 1.5 points each.
The exam can have different models. The application detects the model of the paper and grades using the model answer corresponding to this model. Answer sheets corresponding to different models are differentiated either by a bar code or by circles in different locations in the paper.
If the student ID is included, and an excel file with the student ID is available, the program will write the grade in the correct place in the Excel file. If the Excel file is not included, the program will write the student ID, and the grade for this student. If no ID is included, the program will write the grades of the students with the same order of the papers.
A statistics sheet is automatically generated. It gives the mean, min, and max grades of students. It also has a histogram that shows the distribution of the grades of the students.
Statistics about every question in the exam are included in the results Excel sheet. The results sheet is sent to the instructor.