Solution - (The best option that was possible in Summer 2021):I wrote a small introduction, explaining that the following situation is a shopping simulation.I created multiple choice questions and uploaded pictures as answer options (I included pictures of the products, a small description and a pice tag - careful! products and information needs to similar in both stores).In addition, the participants were divided into two groups (A/B) at the beginning. Group A was allowed to choose 4 products from the "green" store and group B from the "conventional" store.Best regards,Clara
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