How do you estimate the number of vitamin A doses?
For each project, you will see an image like the one below.
You will see each image for {{ Constants.sec_per_matrix }} seconds.
Then, we ask for your estimate for the number of pills and how certain you are about your estimate.
There are between 0 and 400 pills in an image.
The number of pills indicates
the number of vitamin A doses: for each 10 pills depicted on an image, a donation finances 1 vitamin A dose.
If one of your estimates is selected as a decision-that-counts,
you receive ${{ player.accuracy_bonus }}
if your estimate is at most 10 pills away from the true number of pills.
you receive no bonus if your estimate is more than 10 pills away from the true number.
We will never give feedback on how close your estimate was to the true number of pills.
Below you see an example of an image which contains 200 .
In this project, a donation would then finance 20 vitamin A doses.
Before we start, we need to ensure that you understand the instructions.
Remember, if you answer more than two questions wrongly, you will be excluded from the experiment.
You may view the instructions again by going back to the previous page (click 'back' below).