We are going to show you sets of rectangles of different sizes.
Split the line below into two segments whose proportions match the rectangles.
Divide the line below into matching proportions by clicking it. Click here to see the correct answer.
Please answer as quickly as you can. For each task you can hit the enter key when you are done.
Make quick visual judgements (no measurements) to make your answer.
However, very slow or wildly incorrect answers may result in a rejected HIT.
Please scroll the page as needed to ensure that the full frame is in view.
When you are ready to start, click within the frame and press the space bar to start the timer and begin the tasks.