Test "Calculations by Kraepelin" - online version

The test "Calculations according to Kraepelin" was proposed by the German psychiatrist Emil Kraepelin and is intended to study fatigue, exerciseability and volitional efforts of a person (initially, the technique was created to assess the abilities of patients, but later began to be used for any people). Nowadays, the methodology is used to determine fluctuations in attention, switching and the study of mental tempo. Similar to the Uchida-Kraepelin test, this test allows you to evaluate a person's mental performance by performing arithmetic operations on time.

The essence of the technique is that the subject needs to sequentially add the pairs of numbers presented in the table in ten rows, located one above the other, and enter the result of the addition under these numbers, but discarding ten - if the resulting number turns out to be more than ten. That is, if during the addition you got 17, then the result should be entered only 7. If during the addition you get a number equal to ten, then you need to write down 0 (zero). Estimated completion time up to 4 minutes. The test is best done on devices with hight screen resolutions!

Kraepelin`s calculations

• Kraepelin calculations - pass the test (For children) 30 seconds are given to work on each line. Keep in mind that you will see the test results only upon completion of work with all 8 rows of the table, all the data you entered is saved.
• Kraepelin calculations - pass the test (Adult) Each line is also given 30 seconds to work on. In total, it is necessary to solve 20 series of problems (test execution time is 10 minutes).
• Kraepelin test - Kurochkin's version (For children) The peculiarity of this option is that in each even row you will need to subtract, not add. Each line is given 30 seconds to work on. Keep in mind that you will see the test results only upon completion of work with all 8 rows of the table, all the data you entered is saved.
• Kraepelin test - Kurochkin's version (For adults) Also, here in every second row it is necessary to subtract the lower number from the upper one. Each line is also given 30 seconds to work on. In total, it is necessary to solve 20 series of problems (test execution time is 10 minutes).
• Kraepelin test - marathon One minute is given to work on each line. You should try to solve as many examples as possible in the allotted time. In total, you need to solve 15 series of problems (test execution time is 15 minutes). The Kraepelin Marathon test is aimed at identifying mental fatigue.

Kraepelin Calculation Test, theory

Below is a picture of what the test looks like on this site. Under each pair of numbers in a row of a table of two rows of numbers, there is a window for entering the result. It is desirable that you have the keyboard in plain sight, which will make it easier to enter the result.

The result is determined visually by the number of correct answers at the beginning and at the end of the table, that is, if the number of correct answers decreases from line to line, this may indicate a high level of fatigue. An increase in the number of errors can also speak of this. Below is a table of results that you will see after passing the test.

Correct answers are marked in yellow in the table, errors in red. It turns out a yellow column of a certain size, consisting of correct answers. On the right, you can see the number of errors and the number of correct answers. The fewer answers, the correspondingly lower the pace of work, the more answers, the greater the pace of work.

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