I want to run a simple probability matching gambling experiment: Each round has the participant pick Up or Down. The computer picks Up with a probability (p=0.7). If the participant gets it correct, they win 1 credit. If they get it wrong, they lose 1 credit. This runs for 100 rounds. It needs to run online.
The problem is that I don't think Qualtrics can do this. Qualtrics can branch and do randomness, but that randomness is geared toward randomization of a survey. The only way that Qualtrics can do this is to do 2^100 branching. This is not good.
Does anyone know how to use Qualtrics to implement this type of study?