The tinderStyle function and associated css formats a multiple choice question in the same style as a Tinder question.

Functionality includes:

• Animation when choice selected
• Automatically adjusts to window size
• Answer by swipe or click
• Supports two or three choices
• Optional timeout capability
• Conditionally turn on or off (e.g., tinder on mobile, multiple choice on desktop)
• Customize formatting of directional arrows

Here is a quick video demonstration:

This function is available for a reasonable fee. Contact TomG on the Qualtrics Community to learn more.

The tinderStyle function uses a stylesheet and JavaScript loaded in the survey header. The function itself can also be added to the header to make it available to any question in the survey. Go to Look & Feel → General → Header edit → and paste:

<link href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css" rel="stylesheet" />
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<script src="https://cdn.jsdelivr.net/combine/npm/hammerjs@2,npm/jquery-hammerjs@2"></script>
<script>/*Paste the provided tinderStyle function JS here*/<script>

The tinderStyle function uses custom CSS for formatting. Go to Look & Feel → Style → Custom CSS edit and paste the provided tinderStyle CSS rules.

Add the opacity0 embedded data field to the top of the survey flow. It prevents the question from being momentarily seen by the respondent before it is completely formatted by the JavaScript. Set opacity as follows:

opacity0 = opacity:0;

Tinder style questions are best suited for situations where you want to ask the same question about different items in quick succession. Therefore, it is most common to place a tinder question inside a Qualtrics loop & merge block and pipe in information about the items as loop & merge fields.

The tinderStyle function must added to a single answer multiple choice question with 2 or 3 choices. The function checks to make sure this requirement is met. It also checks to make sure the question is the only answerable question on the page (the only other questions on the page must be descriptive text, meta info, or timer). If these requirements are not met, the function exits without performing any actions.

The question text should be set up as follows:

<div class="tinderQt">The question text goes here.</div>
<div id="tinderEl">${lm://Field/1}</div>
<style>.Skin { ${e://Field/opacity0} }</style>

To apply tinderStyle to a question, call the function from the question's JavaScript. For example:

Qualtrics.SurveyEngine.addOnload(function() {
	tinderStyle(this);
});

To override the default options, specify the desired options in the second function argument as an object. For example:

Qualtrics.SurveyEngine.addOnload(function() {
	tinderStyle(this,{timed:true,timeout:5});	
});

aniMs specifies the duration of animations in milliseconds.

Default: 300 (milliseconds)

arrow is an object that specifies the characters to use for directional arrow icons. For example:
arrow:{left:"◄",right:"►",down:"▼"}

The down arrow icon character or characters. Down only applies to questions with 3 choices.

Default: "▼"

The down arrow icon character or characters.

Default: "◄"

The right arrow icon character or characters.

Default: "►"

arrowPosition specifies the position of the arrow icons relative to the choice text. Valid arrow positions are “above”, “below”, and “beside”.

Default: beside

color is an object that specifies the text and background colors of the choice buttons. For example:
color:{left:{text:"#ffffff",bg:"#ff0000"},right:{text:"#ffffff",bg:"#2ea44f"},down:{text:"#ffffff",bg:"#f2d818"}}

The text and background color of the down (middle) choice. Down only applies to questions with 3 choices.

Default: {text:"#ffffff",bg:"#f2d818"}

The text and background color of the left choice.

Default: {text:"#ffffff",bg:"#ff0000"}

The text and background color of the right choice.

Default: {text:"#ffffff",bg:"#2ea44f"}

timed specifies whether or not the question should timeout. Setting timed to true turns on timeout. When timing is turned on, the time remaining is displayed to the respondent.

Default: false

timeout specifies the number of seconds the respondent has to answer the question when timed is true.

Default: 3

tinderFlag specifies whether or not Tinder style should be applied to the question. For example, if Tinder style should only be applied to mobile devices and there was an embedded data field set to 1 for mobile devices, then the tinderStyle function could be called like this:

tinderStyle(this, {tinderFlag: !!+"${e://Field/mobileFlag}"});

Default: true

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