Hi,



I've been stuck at this issue for some time and any help would be much appreciated.



I would like to design a survey with the following features:

1. Display a random subset of 9 questions from a total of 36 questions.

2. Reward each participant for his/her answer for a question randomly selected from the displayed questions. Different answers give different amount of rewards.



So, the way I have thought about this is to set the recode values of the answers to the appropriate rewards and the get the recode values. But I can't seem to do so. Here's what I have tried:



At the start of the survey, set embedded data rand to a random integer between 1 and 9.

Then, each question has this code added:

```

var qId = this.questionId;

Qualtrics.SurveyEngine.setEmbeddedData("qId", "${e://Field/qId}" + "." + qId);

```

Then, after the block of questions, add this script:

```

var rand = parseInt("${e://Field/rand}");

var qString = "${e://Field/qId}";

var qArray = qString.split(".");

var rId = qArray[rand];

```

Then rObj is Qualtrics-SurveyEngine-getInstance(rId); (sorry for breaking the code format but for some reason, the post does not like this line and I kept getting denied permission to post. The "-" is actually ".")

```

var rAns = rObj.getSelectedChoices()[0];

var rBonus = rObj.getChoiceRecodeValue(rAns);

Qualtrics.SurveyEngine.setEmbeddedData("rBonus", rBonus);

```

Then it seems to me that everything works up to rAns but the rBonus line returns blank.



Please let me know if you have any solutions to this.