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You are now entering the second part of the experiment.

In this part of the experiment, you will remain your role (client/expert) as in the previous part.

This part of the experiment will be similar to the previous part, consisting of 10 rounds: In every round, the client is facing a problem, and the expert invests tokens to diagnose the problem and recommend solutions. The client may have an opportunity to make his/her own choice of solutions after receiving the solution recommendation from the expert.

However, in this part, there is an additional element: the clients will have an opportunity to read and give ratings of their matched experts.

At the beginning of each round, the client will first receive the average rating, on a scale of one to five stars (one the worst, five the best), given by other clients that have interacted with this expert.

After reading the average rating, the rest of the game will be identical to the previous part you just participated. Finally, similar to the previous part of the experiment, both the client and the expert receive feedback about the actual problem, the solution, and their own payment.

After reading the feedback, the client will have to also give a rating to the matched expert, on a scale of one to five (one the worst, five the best). This rating will be included in the average rating of this matched expert, and other clients who are matched with this expert will be able to read this updated average rating.

At the end of each round, the expert will be informed about the rating given by the matched client and the updated overall average rating.

You should be aware that in the first round of part 2 (round 11), there will be no average ratings of the expert provided for the client. This is because in round 1, none of the clients have give ratings to their matched experts. After the first round, all experts start to have their average ratings that their future matched clients can read.



Notice that the payment rule remains identical to the rule in the previous part of experiment that you just played:
For the client, if he/she receives the correct solution to his/her problem, he/she will receive 120 tokens. And if he/she does not receive the correct solution, he/she will receive 20 tokens.
For the expert, he/she receives 120 tokens as the payment for providing diagnosis and solution for the client, no matter whether the expert successfully solve the client’s problem or not. But the diagnosis may be costly, following the cost table below:

Diagnostic Accuracy 50% 60% 70% 80% 90% 100%
Cost of diagnosis in tokens 0 1 4 8 16 25



If you are clear about the instruction, click “Next” to enter the second part of the experiment. If you have any questions, please raise your hand, and an experimenter will come to assist you.

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