2nd Experiment

Spot expanding circle and double click

Note : It will not work for single click, as it will give wrong information

Instructions
1. You will see 6 blue colored circles on the screen.
2. Your time will start after you press “START” button.
3. Observe all circles minutely and identify the one that expands in radius after some time.
4. The moment you observe the difference click on the same circle to stop the timer.
5. Record the time and the % noticed difference or the % area difference.
6. Repeat the steps 1-5 and plot the graph between '% radial difference' Vs 'number of attempts'.
7. To repeat the same experiment first reset the timer by pressing “RESET” button.

TIMER

Calculations: