“Red-black table” of the methodology F.D. Gorbov, L.D. Chainova (1959). Was developed for the assessment of switching attention of the astronauts and pilots. Can be used for examination of children and adults. The method is developed for training attention in conditions of interference (either light or sound). In conditions of simultaneous execution of two or more actions is investigated the possibility of allocation of attention and switching. The test uses table 7x7 squares. In 49 squares are the numbers of black (from 1 to 25) and red (from 1 to 24) in random colors combination, excluding the possibility of remembering. You need continuously to score the black numbers in ascending and red in descending order, alternating these actions, and showing black and red number in the table respectively. The task should be done quickly and without errors.

App features:

• Unlimited number generated by various tables
• Built-in timer that automatically stops when the test is complete
• Instructions for the following tasks within the application
• Display of correct and incorrect answers at runtime
• Shows graphic of results
• Works with any screen orientation