The Files section of this page includes the Qualtrics script you will need for the replication. You can also download it using the link below. It also includes a sample consent form that you can modify and print for your study.
Qualtrics script: https://osf.io/gtq6f/
Sample consent form: https://osf.io/gae48/
Payoff Calculation Excel workbook https://osf.io/h2zs4/