Excellent CWM exercise
This is a great app for training one's working memory. It is more of a CWM (Complex Working Memory) task since not many people can subitize more than 5 items at a time. This task requires counting and remembering how many triangles, squares, circles or colors appear (look at top of grid for what shape/color you are supposed to count) etc. and then inputing that number from 'n' times ago. Use "step" if the flash option is too fast. And thats my one major criticism, the speed of the flash should be adjustable. Other variables that could be offered would be to change the shape from one trial to the next, i.e. so one isnt always counting squares for an entire session. Other than that, good job to the developer. Its challenging! We need more apps that train CWM as it has shown correlation with IQ.