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jsPsych/7.0/plugins/jspsych-same-different-html/index.html

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<!doctype html>
<html lang="en" class="no-js">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<link rel="canonical" href="https://www.jspsych.org/7.0/plugins/jspsych-same-different-html/">
<link rel="icon" href="../../img/jspsych-favicon.png">
<meta name="generator" content="mkdocs-1.2.2, mkdocs-material-7.2.4">
<title>jspsych-same-different-html - jsPsych</title>
<link rel="stylesheet" href="../../assets/stylesheets/main.f7f47774.min.css">
<link rel="stylesheet" href="../../assets/stylesheets/palette.3f5d1f46.min.css">
<meta name="theme-color" content="#4cae4f">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,400i,700%7CRoboto+Mono&display=fallback">
<style>:root{--md-text-font-family:"Roboto";--md-code-font-family:"Roboto Mono"}</style>
<script>window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)},ga.l=+new Date,ga("create","UA-50563838-1","auto"),ga("set","anonymizeIp",!0),ga("send","pageview"),document.addEventListener("DOMContentLoaded",function(){document.forms.search&&document.forms.search.query.addEventListener("blur",function(){var e;this.value&&(e=document.location.pathname,ga("send","pageview",e+"?q="+this.value))}),"undefined"!=typeof location$&&location$.subscribe(function(e){ga("send","pageview",e.pathname)})})</script>
<script async src="https://www.google-analytics.com/analytics.js"></script>
</head>
<body dir="ltr" data-md-color-scheme="" data-md-color-primary="green" data-md-color-accent="orange">
<script>function __prefix(e){return new URL("../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
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<label class="md-overlay" for="__drawer"></label>
<div data-md-component="skip">
<a href="#jspsych-same-different-html-plugin" class="md-skip">
Skip to content
</a>
</div>
<div data-md-component="announce">
</div>
<header class="md-header" data-md-component="header">
<nav class="md-header__inner md-grid" aria-label="Header">
<a href="../.." title="jsPsych" class="md-header__button md-logo" aria-label="jsPsych" data-md-component="logo">
<img src="../../img/jspsych-logo-no-text-mono.svg" alt="logo">
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<div class="md-header__title" data-md-component="header-title">
<div class="md-header__ellipsis">
<div class="md-header__topic">
<span class="md-ellipsis">
jsPsych
</span>
</div>
<div class="md-header__topic" data-md-component="header-topic">
<span class="md-ellipsis">
jspsych-same-different-html
</span>
</div>
</div>
</div>
<label class="md-header__button md-icon" for="__search">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg>
</label>
<div class="md-search" data-md-component="search" role="dialog">
<label class="md-search__overlay" for="__search"></label>
<div class="md-search__inner" role="search">
<form class="md-search__form" name="search">
<input type="text" class="md-search__input" name="query" aria-label="Search" placeholder="Search" autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" data-md-component="search-query" required>
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</label>
<nav class="md-search__options" aria-label="Search">
<button type="reset" class="md-search__icon md-icon" aria-label="Clear" tabindex="-1">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M19 6.41 17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12 19 6.41z"/></svg>
</button>
</nav>
</form>
<div class="md-search__output">
<div class="md-search__scrollwrap" data-md-scrollfix>
<div class="md-search-result" data-md-component="search-result">
<div class="md-search-result__meta">
Initializing search
</div>
<ol class="md-search-result__list"></ol>
</div>
</div>
</div>
</div>
</div>
<div class="md-header__source">
<a href="https://github.com/jspsych/jsPsych/" title="Go to repository" class="md-source" data-md-component="source">
<div class="md-source__icon md-icon">
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</div>
<div class="md-source__repository">
jspsych/jspsych
</div>
</a>
</div>
</nav>
</header>
<div class="md-container" data-md-component="container">
<main class="md-main" data-md-component="main">
<div class="md-main__inner md-grid">
<div class="md-sidebar md-sidebar--primary" data-md-component="sidebar" data-md-type="navigation" >
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<div class="md-sidebar__inner">
<nav class="md-nav md-nav--primary" aria-label="Navigation" data-md-level="0">
<label class="md-nav__title" for="__drawer">
<a href="../.." title="jsPsych" class="md-nav__button md-logo" aria-label="jsPsych" data-md-component="logo">
<img src="../../img/jspsych-logo-no-text-mono.svg" alt="logo">
</a>
jsPsych
</label>
<div class="md-nav__source">
<a href="https://github.com/jspsych/jsPsych/" title="Go to repository" class="md-source" data-md-component="source">
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</div>
<div class="md-source__repository">
jspsych/jspsych
</div>
</a>
</div>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../.." class="md-nav__link">
Introduction
</a>
</li>
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<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_2" type="checkbox" id="__nav_2" >
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Tutorials
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<nav class="md-nav" aria-label="Tutorials" data-md-level="1">
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Tutorials
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../tutorials/hello-world/" class="md-nav__link">
The Basics: Hello World
</a>
</li>
<li class="md-nav__item">
<a href="../../tutorials/rt-task/" class="md-nav__link">
Demo Experiment: Simple Reaction Time Task
</a>
</li>
<li class="md-nav__item">
<a href="../../tutorials/video-tutorials/" class="md-nav__link">
Video Tutorials
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_3" type="checkbox" id="__nav_3" >
<label class="md-nav__link" for="__nav_3">
Overview
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Overview" data-md-level="1">
<label class="md-nav__title" for="__nav_3">
<span class="md-nav__icon md-icon"></span>
Overview
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../overview/timeline/" class="md-nav__link">
Creating an Experiment: The Timeline
</a>
</li>
<li class="md-nav__item">
<a href="../../overview/plugins/" class="md-nav__link">
Plugins
</a>
</li>
<li class="md-nav__item">
<a href="../../overview/extensions/" class="md-nav__link">
Extensions
</a>
</li>
<li class="md-nav__item">
<a href="../../overview/dynamic-parameters/" class="md-nav__link">
Dynamic Parameters
</a>
</li>
<li class="md-nav__item">
<a href="../../overview/style/" class="md-nav__link">
Controlling Visual Appearance
</a>
</li>
<li class="md-nav__item">
<a href="../../overview/data/" class="md-nav__link">
Data Storage, Aggregation, and Manipulation
</a>
</li>
<li class="md-nav__item">
<a href="../../overview/running-experiments/" class="md-nav__link">
Running Experiments
</a>
</li>
<li class="md-nav__item">
<a href="../../overview/experiment-options/" class="md-nav__link">
Experiment Settings
</a>
</li>
<li class="md-nav__item">
<a href="../../overview/events/" class="md-nav__link">
Events
</a>
</li>
<li class="md-nav__item">
<a href="../../overview/record-browser-interactions/" class="md-nav__link">
Record Browser Interactions
</a>
</li>
<li class="md-nav__item">
<a href="../../overview/media-preloading/" class="md-nav__link">
Media Preloading
</a>
</li>
<li class="md-nav__item">
<a href="../../overview/fullscreen/" class="md-nav__link">
Fullscreen Experiments
</a>
</li>
<li class="md-nav__item">
<a href="../../overview/eye-tracking/" class="md-nav__link">
Eye Tracking
</a>
</li>
<li class="md-nav__item">
<a href="../../overview/exclude-browser/" class="md-nav__link">
Exclude Participants Based on Browser Features
</a>
</li>
<li class="md-nav__item">
<a href="../../overview/progress-bar/" class="md-nav__link">
Automatic Progress Bar
</a>
</li>
<li class="md-nav__item">
<a href="../../overview/prolific/" class="md-nav__link">
Integrating with Prolific
</a>
</li>
<li class="md-nav__item">
<a href="../../overview/mturk/" class="md-nav__link">
Integrating with Mechanical Turk
</a>
</li>
<li class="md-nav__item">
<a href="../../overview/browser-device-support/" class="md-nav__link">
Browser and Device Support
</a>
</li>
<li class="md-nav__item">
<a href="../../overview/timing-accuracy/" class="md-nav__link">
Timing Accuracy
</a>
</li>
</ul>
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</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_4" type="checkbox" id="__nav_4" >
<label class="md-nav__link" for="__nav_4">
Reference
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Reference" data-md-level="1">
<label class="md-nav__title" for="__nav_4">
<span class="md-nav__icon md-icon"></span>
Reference
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../reference/jspsych/" class="md-nav__link">
jsPsych
</a>
</li>
<li class="md-nav__item">
<a href="../../reference/jspsych-data/" class="md-nav__link">
jsPsych.data
</a>
</li>
<li class="md-nav__item">
<a href="../../reference/jspsych-randomization/" class="md-nav__link">
jsPsych.randomization
</a>
</li>
<li class="md-nav__item">
<a href="../../reference/jspsych-turk/" class="md-nav__link">
jsPsych.turk
</a>
</li>
<li class="md-nav__item">
<a href="../../reference/jspsych-pluginAPI/" class="md-nav__link">
jsPsych.pluginAPI
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--active md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_5" type="checkbox" id="__nav_5" checked>
<label class="md-nav__link" for="__nav_5">
Plugins
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Plugins" data-md-level="1">
<label class="md-nav__title" for="__nav_5">
<span class="md-nav__icon md-icon"></span>
Plugins
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../list-of-plugins/" class="md-nav__link">
List of Plugins
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-animation/" class="md-nav__link">
jspsych-animation
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-audio-button-response/" class="md-nav__link">
jspsych-audio-button-response
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-audio-keyboard-response/" class="md-nav__link">
jspsych-audio-keyboard-response
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-audio-slider-response/" class="md-nav__link">
jspsych-audio-slider-response
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-call-function/" class="md-nav__link">
jspsych-call-function
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-canvas-button-response/" class="md-nav__link">
jspsych-canvas-button-response
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-canvas-keyboard-response/" class="md-nav__link">
jspsych-canvas-keyboard-response
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-canvas-slider-response/" class="md-nav__link">
jspsych-canvas-slider-response
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-categorize-animation/" class="md-nav__link">
jspsych-categorize-animation
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-categorize-html/" class="md-nav__link">
jspsych-categorize-html
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-categorize-image/" class="md-nav__link">
jspsych-categorize-image
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-cloze/" class="md-nav__link">
jspsych-cloze
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-external-html/" class="md-nav__link">
jspsych-external-html
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-free-sort/" class="md-nav__link">
jspsych-free-sort
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-fullscreen/" class="md-nav__link">
jspsych-fullscreen
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-html-button-response/" class="md-nav__link">
jspsych-html-button-response
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-html-keyboard-response/" class="md-nav__link">
jspsych-html-keyboard-response
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-html-slider-response/" class="md-nav__link">
jspsych-html-slider-response
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-iat-html/" class="md-nav__link">
jspsych-iat-html
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-iat-image/" class="md-nav__link">
jspsych-iat-image
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-image-button-response/" class="md-nav__link">
jspsych-image-button-response
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-image-keyboard-response/" class="md-nav__link">
jspsych-image-keyboard-response
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-image-slider-response/" class="md-nav__link">
jspsych-image-slider-response
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-instructions/" class="md-nav__link">
jspsych-instructions
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-maxdiff/" class="md-nav__link">
jspsych-maxdiff
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-preload/" class="md-nav__link">
jspsych-preload
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-reconstruction/" class="md-nav__link">
jspsych-reconstruction
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-resize/" class="md-nav__link">
jspsych-resize
</a>
</li>
<li class="md-nav__item md-nav__item--active">
<input class="md-nav__toggle md-toggle" data-md-toggle="toc" type="checkbox" id="__toc">
<label class="md-nav__link md-nav__link--active" for="__toc">
jspsych-same-different-html
<span class="md-nav__icon md-icon"></span>
</label>
<a href="./" class="md-nav__link md-nav__link--active">
jspsych-same-different-html
</a>
<nav class="md-nav md-nav--secondary" aria-label="Table of contents">
<label class="md-nav__title" for="__toc">
<span class="md-nav__icon md-icon"></span>
Table of contents
</label>
<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
<li class="md-nav__item">
<a href="#parameters" class="md-nav__link">
Parameters
</a>
</li>
<li class="md-nav__item">
<a href="#data-generated" class="md-nav__link">
Data Generated
</a>
</li>
<li class="md-nav__item">
<a href="#examples" class="md-nav__link">
Examples
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="../jspsych-same-different-image/" class="md-nav__link">
jspsych-same-different-image
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-serial-reaction-time/" class="md-nav__link">
jspsych-serial-reaction-time
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-serial-reaction-time-mouse/" class="md-nav__link">
jspsych-serial-reaction-time-mouse
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-survey-html-form/" class="md-nav__link">
jspsych-survey-html-form
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-survey-likert/" class="md-nav__link">
jspsych-survey-likert
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-survey-multi-choice/" class="md-nav__link">
jspsych-survey-multi-choice
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-survey-multi-select/" class="md-nav__link">
jspsych-survey-multi-select
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-survey-text/" class="md-nav__link">
jspsych-survey-text
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-video-button-response/" class="md-nav__link">
jspsych-video-button-response
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-video-keyboard-response/" class="md-nav__link">
jspsych-video-keyboard-response
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-video-slider-response/" class="md-nav__link">
jspsych-video-slider-response
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-virtual-chinrest/" class="md-nav__link">
jspsych-virtual-chinrest
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-visual-search-circle/" class="md-nav__link">
jspsych-visual-search-circle
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-webgazer-calibrate/" class="md-nav__link">
jspsych-webgazer-calibrate
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-webgazer-init-camera/" class="md-nav__link">
jspsych-webgazer-init-camera
</a>
</li>
<li class="md-nav__item">
<a href="../jspsych-webgazer-validate/" class="md-nav__link">
jspsych-webgazer-validate
</a>
</li>
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<article class="md-content__inner md-typeset">
<a href="https://github.com/jspsych/jsPsych/edit/master/docs/plugins/jspsych-same-different-html.md" title="Edit this page" class="md-content__button md-icon">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20.71 7.04c.39-.39.39-1.04 0-1.41l-2.34-2.34c-.37-.39-1.02-.39-1.41 0l-1.84 1.83 3.75 3.75M3 17.25V21h3.75L17.81 9.93l-3.75-3.75L3 17.25z"/></svg>
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<h1 id="jspsych-same-different-html-plugin">jspsych-same-different-html plugin<a class="headerlink" href="#jspsych-same-different-html-plugin" title="Permanent link">&para;</a></h1>
<p>The same-different-html plugin displays two stimuli sequentially. Stimuli are HTML objects. The subject responds using the keyboard, and indicates whether the stimuli were the same or different. Same does not necessarily mean identical; a category judgment could be made, for example.</p>
<h2 id="parameters">Parameters<a class="headerlink" href="#parameters" title="Permanent link">&para;</a></h2>
<p>In addition to the <a href="/overview/plugins#parameters-available-in-all-plugins">parameters available in all plugins</a>, this plugin accepts the following parameters. Parameters with a default value of <em>undefined</em> must be specified. Other parameters can be left unspecified if the default value is acceptable.</p>
<table>
<thead>
<tr>
<th>Parameter</th>
<th>Type</th>
<th>Default Value</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>stimuli</td>
<td>array</td>
<td><em>undefined</em></td>
<td>A pair of stimuli, represented as an array with two entries, one for each stimulus. A stimulus is a string containing valid HTML markup. Stimuli will be shown in the order that they are defined in the array.</td>
</tr>
<tr>
<td>answer</td>
<td>string</td>
<td><em>undefined</em></td>
<td>Either <code>'same'</code> or <code>'different'</code>.</td>
</tr>
<tr>
<td>same_key</td>
<td>string</td>
<td>'q'</td>
<td>The key that subjects should press to indicate that the two stimuli are the same.</td>
</tr>
<tr>
<td>different_key</td>
<td>string</td>
<td>'p'</td>
<td>The key that subjects should press to indicate that the two stimuli are different.</td>
</tr>
<tr>
<td>first_stim_duration</td>
<td>numeric</td>
<td>1000</td>
<td>How long to show the first stimulus for in milliseconds. If the value of this parameter is null then the stimulus will be shown until the subject presses any key.</td>
</tr>
<tr>
<td>gap_duration</td>
<td>numeric</td>
<td>500</td>
<td>How long to show a blank screen in between the two stimuli.</td>
</tr>
<tr>
<td>second_stim_duration</td>
<td>numeric</td>
<td>1000</td>
<td>How long to show the second stimulus for in milliseconds. If the value of this parameter is null then the stimulus will be shown until the subject responds.</td>
</tr>
<tr>
<td>prompt</td>
<td>string</td>
<td>null</td>
<td>This string can contain HTML markup. Any content here will be displayed below the stimulus. The intention is that it can be used to provide a reminder about the action the subject is supposed to take (e.g., which key to press).</td>
</tr>
</tbody>
</table>
<h2 id="data-generated">Data Generated<a class="headerlink" href="#data-generated" title="Permanent link">&para;</a></h2>
<p>In addition to the <a href="/overview/plugins#data-collected-by-all-plugins">default data collected by all plugins</a>, this plugin collects the following data for each trial.</p>
<table>
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Value</th>
</tr>
</thead>
<tbody>
<tr>
<td>stimulus</td>
<td>array</td>
<td>An array of length 2 containing the HTML-formatted content that the subject saw for each trial. This will be encoded as a JSON string when data is saved using the <code>.json()</code> or <code>.csv()</code> functions.</td>
</tr>
<tr>
<td>response</td>
<td>string</td>
<td>Indicates which key the subject pressed.</td>
</tr>
<tr>
<td>rt</td>
<td>numeric</td>
<td>The response time in milliseconds for the subject to make a response. The time is measured from when the second stimulus first appears on the screen until the subject's response.</td>
</tr>
<tr>
<td>correct</td>
<td>boolean</td>
<td><code>true</code> if the subject's response matched the <code>answer</code> for this trial.</td>
</tr>
<tr>
<td>answer</td>
<td>string</td>
<td>The correct answer to the trial, either <code>'same'</code> or <code>'different'</code>.</td>
</tr>
</tbody>
</table>
<p>Additionally, if <code>first_stim_duration</code> is null, then the following data is also collected:</p>
<table>
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Value</th>
</tr>
</thead>
<tbody>
<tr>
<td>rt_stim1</td>
<td>numeric</td>
<td>The response time in milliseconds for the subject to continue after the first stimulus. The time is measured from when the first stimulus appears on the screen until the subject's response.</td>
</tr>
<tr>
<td>response_stim1</td>
<td>string</td>
<td>Indicates which key the subject pressed to continue.</td>
</tr>
</tbody>
</table>
<h2 id="examples">Examples<a class="headerlink" href="#examples" title="Permanent link">&para;</a></h2>
<details class="example" open="open"><summary>Two text choices</summary><div class="tabbed-set" data-tabs="1:2"><input checked="checked" id="__tabbed_1_1" name="__tabbed_1" type="radio" /><label for="__tabbed_1_1">Code</label><div class="tabbed-content">
<div class="highlight"><pre><span></span><code><span class="kd">var</span> <span class="nx">trial</span> <span class="o">=</span> <span class="p">{</span>
<span class="nx">type</span><span class="o">:</span> <span class="nx">jsPsychSameDifferentHtml</span><span class="p">,</span>
<span class="nx">stimuli</span><span class="o">:</span> <span class="p">[</span>
<span class="s1">&#39;&lt;p style=&quot;font-size:30px;&quot;&gt;Climbing&lt;/p&gt;&#39;</span><span class="p">,</span>
<span class="s1">&#39;&lt;p style=&quot;font-size:30px;&quot;&gt;Walking&lt;/p&gt;&#39;</span>
<span class="p">],</span>
<span class="nx">prompt</span><span class="o">:</span> <span class="sb">`&lt;p&gt;Press &#39;s&#39; if the activities require the same amount of physical exertion.&lt;/p&gt;</span>
<span class="sb"> &lt;p&gt;Press &#39;d&#39; if the activities require different amount of physical exertion.&lt;/p&gt;`</span><span class="p">,</span>
<span class="nx">same_key</span><span class="o">:</span> <span class="s1">&#39;s&#39;</span><span class="p">,</span>
<span class="nx">different_key</span><span class="o">:</span> <span class="s1">&#39;d&#39;</span><span class="p">,</span>
<span class="nx">first_stim_duration</span><span class="o">:</span> <span class="mf">800</span><span class="p">,</span>
<span class="nx">answer</span><span class="o">:</span> <span class="s1">&#39;different&#39;</span>
<span class="p">}</span>
</code></pre></div>
</div>
<input id="__tabbed_1_2" name="__tabbed_1" type="radio" /><label for="__tabbed_1_2">Demo</label><div class="tabbed-content">
<p><div style="text-align:center;">
<iframe src="/demos/jspsych-same-different-html-demo1.html" width="90%;" height="500px;" frameBorder="0"></iframe>
</div></p>
</div>
</div>
<p><a target="_blank" rel="noopener noreferrer" href="/demos/jspsych-same-different-html-demo1.html">Open demo in new tab</a></p>
</details>
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