prediction-behavior study.js

Qualtrics.SurveyEngine.addOnload(function()
{
// Assigning subjects to either Heads or Tails focus
var coin = _.sample([{
		side1:"Heads",
		side2:"Tails"
	},
	{
		side1: "Tails",
		side2: "Heads"
	}]);

// Assigning values to each incentive level
var incentive0 = [{
	amount: "nothing ($0.00)",
	total: "NOT earn any money",
	heads: "$0.00",
	tails: "$0.00",
	honestamount: "$0.00",
	dishonestamount: "$0.00"
	
}];

if (coin.side1 === "Heads") {
	incentive10 = [{
		amount: "$0.10",
		total: "earn up to $1.00",
		heads: "$0.10",
		tails: "$0.00",
		honestamount: "$0.50",
		dishonestamount: "$0.80"
		
	}];
	incentive100 = [{
		amount: "$1.00",
		total: "earn up to $10.00",
		heads: "$1.00",
		tails: "$0.00",
		honestamount: "$5.00",
		dishonestamount: "$8.00"
		
	}];
} else {
	incentive10 = [{
		amount: "$0.10",
		total: "earn up to $1.00",
		heads: "$0.00",
		tails: "$0.10",
		honestamount: "$0.50",
		dishonestamount: "$0.80"
		
	}];
	incentive100 = [{
		amount: "$1.00",
		total: "earn up to $10.00",
		heads: "$0.00",
		tails: "$1.00",
		honestamount: "$5.00",
		dishonestamount: "$8.00"
		
	}];
	
};
 
// Randomizing order of blocks
var orderx = _.shuffle([incentive0,incentive10,incentive100]);

// Setting embedded data in Qualtrics
Qualtrics.SurveyEngine.setEmbeddedData('CoinReward', coin.side1);
Qualtrics.SurveyEngine.setEmbeddedData('CoinNull', coin.side2);
Qualtrics.SurveyEngine.setEmbeddedData('Task', _.sample(["prediction", "behavior"]));
Qualtrics.SurveyEngine.setEmbeddedData('Incentive1', _.pluck(orderx[0], "amount"));
Qualtrics.SurveyEngine.setEmbeddedData('Total1', _.pluck(orderx[0], "total"));
Qualtrics.SurveyEngine.setEmbeddedData('Heads1', _.pluck(orderx[0], "heads"));
Qualtrics.SurveyEngine.setEmbeddedData('Tails1', _.pluck(orderx[0], "tails"));
Qualtrics.SurveyEngine.setEmbeddedData('HonestAmount1', _.pluck(orderx[0], "honestamount"));
Qualtrics.SurveyEngine.setEmbeddedData('DishonestAmount1', _.pluck(orderx[0], "dishonestamount"));
Qualtrics.SurveyEngine.setEmbeddedData('Incentive2', _.pluck(orderx[1], "amount"));
Qualtrics.SurveyEngine.setEmbeddedData('Total2', _.pluck(orderx[1], "total"));
Qualtrics.SurveyEngine.setEmbeddedData('Heads2', _.pluck(orderx[1], "heads"));
Qualtrics.SurveyEngine.setEmbeddedData('Tails2', _.pluck(orderx[1], "tails"));
Qualtrics.SurveyEngine.setEmbeddedData('HonestAmount2', _.pluck(orderx[1], "honestamount"));
Qualtrics.SurveyEngine.setEmbeddedData('DishonestAmount2', _.pluck(orderx[1], "dishonestamount"));
Qualtrics.SurveyEngine.setEmbeddedData('Incentive3', _.pluck(orderx[2], "amount"));
Qualtrics.SurveyEngine.setEmbeddedData('Total3', _.pluck(orderx[2], "total"));
Qualtrics.SurveyEngine.setEmbeddedData('Heads3', _.pluck(orderx[2], "heads"));
Qualtrics.SurveyEngine.setEmbeddedData('Tails3', _.pluck(orderx[2], "tails"));
Qualtrics.SurveyEngine.setEmbeddedData('HonestAmount3', _.pluck(orderx[2], "honestamount"));
Qualtrics.SurveyEngine.setEmbeddedData('DishonestAmount3', _.pluck(orderx[2], "dishonestamount"));

});