In this study you are asked to look at squares containing a number of dots and to estimate how many dots are in eqch square. Scroll down and look at the first 14 trials in the warmup, which are put in order of increasing number. We are not asking you to count the number of dots or to compute anything, but instead, just get an impression and estimate how many dots you think are there.
The smallest number of dots you will see is 100 and the largest number is 753. Scroll down and look at the first 14 trials in the warm-up. These are put in order for you to see the range of dot patterns you will see.
For example, if you think there are 100 dots in the square, type 100 in the box next to the square. If you think there are 753 dots, type 753 in the box beside the square. For values in between the least and most number of dots, try to do your best to get an impression of number and type that number in the box.
Scroll down again and look over the first 14 trials before you begin, then complete those trials, followed by the other trials below, which are in random order. Again, the smallest number is 100 and the largest number of dots is 753. You are not asked to count, but to estimate the number subjectively by how it seems.