Following tests serve as training/testing aids for mental concentration


Reaction time on color change
This test trains your short time concentration (up to 10s) ability by checking your reaction on color change. After 6 repetitions the average value of our reaction time is evaluated. Number of repetitions and time delay simulate 6 arrow shots.
Instructions: Click the screen and wait for the color change od the rectangle from red to green. Click the screen immediately after the color change. Your reaction time (in miliseconds) is evaluated. The reaction time is usually short and your device has to be fast enough - it is usually not true for mobile devices like smartphones.


Reaction time on sound signal
This test trains your short time concentration (up to 10s) ability by checking your reaction on color change. After 6 repetitions the average value of our reaction time is evaluated. Number of repetitions and time delay simulate 6 arrow shots.
Instructions: Click the screen and wait for the sound signal. Click the screen immediately after the signal. Your reaction time (in miliseconds) is evaluated. The reaction time is usually short and your device has to be fast enough - it is usually not true for mobile devices like smartphones.


Searching the set of 30 numbers in a table
This test trains your intermediate time concentration (up to 1 min) ability by searching numbers in the table.
Instructions: Click the screen and then click the numbers in the table in order shown in the line below the table. After 3 repetitions the total number of numbers foud is evaluated.


Searching all 100 numbers in a table
This test trains your long time concentration (up to 5-15 min depending on your experience) ability by searching numbers in the table.
Instructions: Click the screen and then click the numbers in the table in order 0...99 or 99...0 according to the instruction shown in the line below the table. Total time needed to fulfil the task is evaluated.