The quick test is a set of questions regarding the person's interaction with numbers. There are a total of 24 statements on the test, though they can be added and subtracted depending on the age of the person being questioned. A sampling of statements:
I sometimes see a number written down, but when I copy it, I write the numbers in the wrong order.
When someone mentions odd and even numbers I don't understand what they mean.
I have never been able to do "times tables."
Math frightens me. I really don't understand it at all.
If the test taker answers yes to half or more of the statements presented, then it is likely he has a problem with mathematics that requires assistance or remediation.
The comparative test is meant to be used with classes of school children. It offers a variety of mathematical tests meant to distinguish children who are having problems from those who are not. It is offered by Tony Attwood in his book "Tests for Dyscalculia." The tests provided do not say for certain whether or not dyscalculia is present, but are very good at assessing the need for remedial assistance.
There is a computer test called the "Dyscalculia Screener" that was created by Professor Brian Butterworth of University College London in 2004. It measures both the speed and accuracy of student responses in order to figure out mathematical proficiency. Unfortunately, because it is a computer program, it may not be compatible with current operating systems available.
The educational psychologist test has to be administered by a professional psychologist. Since this is a private test given by an outsider, the school is not obligated to pay for it or to accept the findings of the psychologist. So this step needs to be considered carefully before it is administered.
One important thing to know about a diagnosis of dyscalculia is, unlike dyslexia, there are no real benefits. Teachers may not increase test-taking time for the student with this condition and in-class time may not be modified at all, so it is important for parents to take the time to discuss with teachers what dyscalculia is and how they can help the child do well. Also, there are several resources available so that parents can work with their children at home in order to increase the likelihood of a positive outcome.