In this experiment, you will see a series of pictures of mountain and city scenes.

When you see a city scene, press SPACE on the keyboard

or TAP the image if you are using a phone or tablet.

When you see a mountain scene, don't press anything.

Click NEXT to do the first part of the practice.

That was the first part of the practice. If you don't understand the task, or want to try that practice again, please click here:

For the next part of the practice, the scenes will fade from one to the next without pausing.

The task is the same as before. When you see a city scene, press SPACE or TAP the image. Don't press anything when you see a mountain scene. When you respond, feedback telling you whether you are right or wrong will appear briefly under the image.

You only need to press SPACE or TAP once for each scene. Try to be as accurate as possible.

Click NEXT to start the second practice.

That was the second part of the practice. If you want to practice that again , please click here:

For the final part of the practice, the scenes will pass much more quickly. This part of the practice is similar to the actual test.

As before, only press SPACE or TAP when you see a city scene.

There will be no more feedback. Try to be as accurate as possible.

Click NEXT to do the final part of the practice.

That was the final part of the practice. If you want to practice that again, please click here:

Let's start the actual test! Try to be as accurate as possible.

There will be no breaks, so make sure you are ready before clicking BEGIN TEST.

*The test lasts 4 minutes.*