Two Ink Testing

During a distance-learning course that I took last spring, I learned about a testing technique that incorporated the use of student-notebooks in a fair and effective way. The technique, called the “two-ink” assessment was developed by Gene W. Lene in the Department of Earth Sciences at St. Mary’s University in San Antonio Texas. A description of Lene's innovation was featured in a book titled, "The Hidden Curriculum" by Sheila Tobias and Jacqueline Raphael (p. 138-139)
Here’s how it works. . .

At the start of the test, the students are given a green pen, and instructed to answer all of the test questions that they are sure about using the green pen. They cannot use their notebook during this portion of the test, and they should not attempt to answer question that they want to answer during the open-notebook portion of the test. (Typically, my tests will consist of 33 questions.) When each student has answered as many of the questions as they can, they come to me and trade the green pen in for a red pen. Once they have obtained the red pen, they are allowed to use their notebook.


Here’s the catch. . .

Before the test the students are told that they will earn 3 points for each correct “green answer”, and 2 points for each correct “red answer”. Also, they are told that if they try to change the green answer with a red pen, they will not earn credit for that answer.


Advantages . . .

1.The test rewards those who have studied and are prepared to take the test without the use of their notebook.
2. It also, provides some incentive for students to keep a good notebook.
3. The scoring can be adjusted to the teacher’s discretion. For example you may want to give 4 points for correct green answers and only 2 points for correct red answers. Teachers may also want to let students use the textbook.
4. It gives the students a chance to make a choice. They like this.

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