I took the Stroop test as part of my ASD evaluation and I’ve seen it recently on alist of online autism evaluation tests. While not strictly an autism test, it is often part of the test battery that is given at neuropsychological evaluations for autism.

The format of the Stroop test that I took during my evaluation was:

verbally reading a list of color words (blue, red, green) printed in black ink
verbally statingthe color of a series of Xs printed in blue, red or green ink
verbally reading a lis...