removing ambiguous parameters #422

This commit is contained in:
Josh de Leeuw 2017-07-06 12:44:17 -04:00
parent caca99335d
commit 2211ea1321
9 changed files with 747 additions and 165 deletions

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@ -0,0 +1,42 @@
<!DOCTYPE html>
<html>
<head>
<script src="../jspsych.js"></script>
<script src="../plugins/jspsych-html-keyboard-response.js"></script>
<link rel="stylesheet" href="../css/jspsych.css"></link>
</head>
<body></body>
<script>
var trial_1 = {
type: 'html-keyboard-response',
stimulus: '<p style="color: red; font-size: 48px; font-weight: bold;">GREEN</p>',
choices: ['y', 'n'],
prompt: '<p>Does the color match the word? (Y or N)</p>'
}
var trial_2 = {
type: 'html-keyboard-response',
stimulus: '<p style="color: red; font-size: 48px; font-weight: bold;">RED</p>',
choices: ['y', 'n'],
trial_duration: 5000,
prompt: '<p>Does the color match the word? (Y or N; 5s time limit)</p>'
}
var trial_3 = {
type: 'html-keyboard-response',
stimulus: '<p style="color: orange; font-size: 48px; font-weight: bold;">BLUE</p>',
choices: jsPsych.NO_KEYS,
trial_duration: 2000,
prompt: '<p>No response allowed. 2s wait.</p>'
}
jsPsych.init({
timeline: [trial_1, trial_2, trial_3],
on_finish: function() {
jsPsych.data.displayData();
},
default_iti: 250
});
</script>
</html>

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@ -0,0 +1,48 @@
<!DOCTYPE html>
<html>
<head>
<script src="../jspsych.js"></script>
<script src="../plugins/jspsych-image-keyboard-response.js"></script>
<link rel="stylesheet" href="../css/jspsych.css"></link>
<style>
img {
width: 300px;
}
</style>
</head>
<body></body>
<script>
var trial_1 = {
type: 'image-keyboard-response',
stimulus: 'img/happy_face_1.jpg',
choices: ['y','n'],
prompt: '<p>Have you seen this face before? Y or N.</p>'
}
var trial_2 = {
type: 'image-keyboard-response',
stimulus: 'img/happy_face_2.jpg',
choices: ['y','n'],
trial_duration: 5000,
prompt: '<p>Have you seen this face before? Y or N. (5s time limit).</p>'
}
var trial_3 = {
type: 'image-keyboard-response',
stimulus: 'img/happy_face_3.jpg',
choices: jsPsych.NO_KEYS,
trial_duration: 2000,
prompt: '<p>No response allowed. 2s wait.</p>'
}
jsPsych.init({
timeline: [trial_1, trial_2, trial_3],
on_finish: function() {
jsPsych.data.displayData();
},
default_iti: 250
});
</script>
</html>

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@ -1,51 +0,0 @@
<!DOCTYPE html>
<html>
<head>
<script src="../jspsych.js"></script>
<script src="../plugins/jspsych-single-stim.js"></script>
<link rel="stylesheet" href="../css/jspsych.css"></link>
<style>
img {
width: 300px;
}
</style>
</head>
<body></body>
<script>
var trial_1 = {
type: 'single-stim',
stimulus: 'img/happy_face_1.jpg',
choices: [89, 78], // Y or N
prompt: '<p class="center-content">Have you seen this face before? Y or N.</p>'
}
var trial_2 = {
type: 'single-stim',
stimulus: 'img/happy_face_2.jpg',
choices: [89, 78], // Y or N
timing_response: 5000,
prompt: '<p class="center-content">Have you seen this face before? Y or N. (5s time limit).</p>'
}
var trial_3 = {
type: 'single-stim',
choices: jsPsych.NO_KEYS, // Y or N
timing_response: 2000,
prompt: '<p class="center-content">No response allowed. 2s wait.</p>',
stimulus: '<p>:)</p>',
is_html: true
}
jsPsych.init({
timeline: [trial_1, trial_2, trial_3],
on_finish: function() {
jsPsych.data.displayData();
},
default_iti: 250
});
</script>
</html>

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@ -0,0 +1,194 @@
/**
* jspsych-audio-keyboard-response
* Josh de Leeuw
*
* plugin for playing an audio file and getting a keyboard response
*
* documentation: docs.jspsych.org
*
**/
jsPsych.plugins["audio-keyboard-response"] = (function() {
var plugin = {};
jsPsych.pluginAPI.registerPreload('audio-keyboard-response', 'stimulus', 'audio');
plugin.info = {
name: 'audio-keyboard-response',
description: '',
parameters: {
stimulus: {
type: [jsPsych.plugins.parameterType.STRING],
default: undefined,
no_function: false,
description: ''
},
choices: {
type: [jsPsych.plugins.parameterType.KEYCODE],
array: true,
default: jsPsych.ALL_KEYS,
no_function: false,
description: ''
},
prompt: {
type: [jsPsych.plugins.parameterType.STRING],
default: '',
no_function: false,
description: ''
},
timing_response: {
type: [jsPsych.plugins.parameterType.INT],
default: -1,
no_function: false,
description: ''
},
response_ends_trial: {
type: [jsPsych.plugins.parameterType.BOOL],
default: true,
no_function: false,
description: ''
},
trial_ends_after_audio: {
type: [jsPsych.plugins.parameterType.BOOL],
default: false,
no_function: false,
description: ''
},
}
}
plugin.trial = function(display_element, trial) {
// default parameters
trial.choices = trial.choices || jsPsych.ALL_KEYS;
trial.response_ends_trial = (typeof trial.response_ends_trial === 'undefined') ? true : trial.response_ends_trial;
trial.trial_ends_after_audio = (typeof trial.trial_ends_after_audio === 'undefined') ? false : trial.trial_ends_after_audio;
trial.timing_response = trial.timing_response || -1; // if -1, then wait for response forever
trial.prompt = (typeof trial.prompt === 'undefined') ? "" : trial.prompt;
// if any trial variables are functions
// this evaluates the function and replaces
// it with the output of the function
trial = jsPsych.pluginAPI.evaluateFunctionParameters(trial);
// setup stimulus
var context = jsPsych.pluginAPI.audioContext();
if(context !== null){
var source = context.createBufferSource();
source.buffer = jsPsych.pluginAPI.getAudioBuffer(trial.stimulus);
source.connect(context.destination);
} else {
var audio = jsPsych.pluginAPI.getAudioBuffer(trial.stimulus);
audio.currentTime = 0;
}
// set up end event if trial needs it
if(trial.trial_ends_after_audio){
if(context !== null){
source.onended = function() {
end_trial();
}
} else {
audio.addEventListener('ended', end_trial);
}
}
// show prompt if there is one
if (trial.prompt !== "") {
display_element.innerHTML = trial.prompt;
}
// store response
var response = {
rt: -1,
key: -1
};
// function to end trial when it is time
function end_trial() {
// kill any remaining setTimeout handlers
jsPsych.pluginAPI.clearAllTimeouts();
// stop the audio file if it is playing
// remove end event listeners if they exist
if(context !== null){
source.stop();
source.onended = function() { }
} else {
audio.pause();
audio.removeEventListener('ended', end_trial);
}
// kill keyboard listeners
jsPsych.pluginAPI.cancelAllKeyboardResponses();
// gather the data to store for the trial
var trial_data = {
"rt": context !== null ? response.rt * 1000 : response.rt,
"stimulus": trial.stimulus,
"key_press": response.key
};
// clear the display
display_element.innerHTML = '';
// move on to the next trial
jsPsych.finishTrial(trial_data);
};
// function to handle responses by the subject
var after_response = function(info) {
// only record the first response
if (response.key == -1) {
response = info;
}
if (trial.response_ends_trial) {
end_trial();
}
};
// start audio
if(context !== null){
startTime = context.currentTime + 0.1;
source.start(startTime);
} else {
audio.play();
}
// start the response listener
if(context !== null) {
var keyboardListener = jsPsych.pluginAPI.getKeyboardResponse({
callback_function: after_response,
valid_responses: trial.choices,
rt_method: 'audio',
persist: false,
allow_held_key: false,
audio_context: context,
audio_context_start_time: startTime
});
} else {
var keyboardListener = jsPsych.pluginAPI.getKeyboardResponse({
callback_function: after_response,
valid_responses: trial.choices,
rt_method: 'date',
persist: false,
allow_held_key: false
});
}
// end trial if time limit is set
if (trial.timing_response > 0) {
jsPsych.pluginAPI.setTimeout(function() {
end_trial();
}, trial.timing_response);
}
};
return plugin;
})();

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@ -0,0 +1,154 @@
/**
* jspsych-html-keyboard-response
* Josh de Leeuw
*
* plugin for displaying a stimulus and getting a keyboard response
*
* documentation: docs.jspsych.org
*
**/
jsPsych.plugins["html-keyboard-response"] = (function() {
var plugin = {};
plugin.info = {
name: 'html-keyboard-response',
description: '',
parameters: {
stimulus: {
type: [jsPsych.plugins.parameterType.HTML_STRING],
default: undefined,
no_function: false,
description: ''
},
choices: {
type: [jsPsych.plugins.parameterType.KEYCODE],
array: true,
default: jsPsych.ALL_KEYS,
no_function: false,
description: ''
},
prompt: {
type: [jsPsych.plugins.parameterType.STRING],
default: '',
no_function: false,
description: ''
},
stimulus_duration: {
type: [jsPsych.plugins.parameterType.INT],
default: -1,
no_function: false,
description: ''
},
trial_duration: {
type: [jsPsych.plugins.parameterType.INT],
default: -1,
no_function: false,
description: ''
},
response_ends_trial: {
type: [jsPsych.plugins.parameterType.BOOL],
default: true,
no_function: false,
description: ''
},
}
}
plugin.trial = function(display_element, trial) {
// set default values for the parameters
trial.choices = trial.choices || jsPsych.ALL_KEYS;
trial.response_ends_trial = (typeof trial.response_ends_trial == 'undefined') ? true : trial.response_ends_trial;
trial.stimulus_duration = trial.stimulus_duration || -1;
trial.trial_duration = trial.trial_duration || -1;
trial.prompt = trial.prompt || "";
var new_html = '<div id="jspsych-html-keyboard-response-stimulus">'+trial.stimulus+'</div>';
// add prompt
new_html += trial.prompt;
// draw
display_element.innerHTML = new_html;
// store response
var response = {
rt: -1,
key: -1
};
// function to end trial when it is time
var end_trial = function() {
// kill any remaining setTimeout handlers
jsPsych.pluginAPI.clearAllTimeouts();
// kill keyboard listeners
if (typeof keyboardListener !== 'undefined') {
jsPsych.pluginAPI.cancelKeyboardResponse(keyboardListener);
}
// gather the data to store for the trial
var trial_data = {
"rt": response.rt,
"stimulus": trial.stimulus,
"key_press": response.key
};
// clear the display
display_element.innerHTML = '';
// move on to the next trial
jsPsych.finishTrial(trial_data);
};
// function to handle responses by the subject
var after_response = function(info) {
// after a valid response, the stimulus will have the CSS class 'responded'
// which can be used to provide visual feedback that a response was recorded
display_element.querySelector('#jspsych-html-keyboard-response-stimulus').className += ' responded';
// only record the first response
if (response.key == -1) {
response = info;
}
if (trial.response_ends_trial) {
end_trial();
}
};
// start the response listener
if (trial.choices != jsPsych.NO_KEYS) {
var keyboardListener = jsPsych.pluginAPI.getKeyboardResponse({
callback_function: after_response,
valid_responses: trial.choices,
rt_method: 'date',
persist: false,
allow_held_key: false
});
}
// hide stimulus if stimulus_duration is set
if (trial.stimulus_duration > 0) {
jsPsych.pluginAPI.setTimeout(function() {
display_element.querySelector('#jspsych-html-keyboard-response-stimulus').style.visibility = 'hidden';
}, trial.stimulus_duration);
}
// end trial if trial_duration is set
if (trial.trial_duration > 0) {
jsPsych.pluginAPI.setTimeout(function() {
end_trial();
}, trial.trial_duration);
}
};
return plugin;
})();

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@ -1,5 +1,5 @@
/**
* jspsych-button-response
* jspsych-image-button-response
* Josh de Leeuw
*
* plugin for displaying a stimulus and getting a keyboard response
@ -8,28 +8,22 @@
*
**/
jsPsych.plugins["button-response"] = (function() {
jsPsych.plugins["image-button-response"] = (function() {
var plugin = {};
jsPsych.pluginAPI.registerPreload('button-response', 'stimulus', 'image', function(t){ return !t.is_html || t.is_html == 'undefined'});
jsPsych.pluginAPI.registerPreload('image-button-response', 'stimulus', 'image');
plugin.info = {
name: 'button-response',
name: 'image-button-response',
description: '',
parameters: {
stimulus: {
type: [jsPsych.plugins.parameterType.STRING],
type: [jsPsych.plugins.parameterType.IMAGE],
default: undefined,
no_function: false,
description: ''
},
is_html: {
type: [jsPsych.plugins.parameterType.BOOL],
default: false,
no_function: false,
description: ''
},
choices: {
type: [jsPsych.plugins.parameterType.KEYCODE],
default: [],
@ -50,13 +44,13 @@ jsPsych.plugins["button-response"] = (function() {
no_function: false,
description: ''
},
timing_stim: {
stimulus_duration: {
type: [jsPsych.plugins.parameterType.INT],
default: -1,
no_function: false,
description: ''
},
timing_response: {
trial_duration: {
type: [jsPsych.plugins.parameterType.INT],
default: -1,
no_function: false,
@ -76,9 +70,8 @@ jsPsych.plugins["button-response"] = (function() {
// default trial parameters
trial.button_html = trial.button_html || '<button class="jspsych-btn">%choice%</button>';
trial.response_ends_trial = (typeof trial.response_ends_trial === 'undefined') ? true : trial.response_ends_trial;
trial.timing_stim = trial.timing_stim || -1; // if -1, then show indefinitely
trial.timing_response = trial.timing_response || -1; // if -1, then wait for response forever
trial.is_html = (typeof trial.is_html === 'undefined') ? false : trial.is_html;
trial.stimulus_duration = trial.stimulus_duration || -1; // if -1, then show indefinitely
trial.trial_duration = trial.trial_duration || -1; // if -1, then wait for response forever
trial.prompt = (typeof trial.prompt === 'undefined') ? "" : trial.prompt;
trial.margin_vertical = trial.margin_vertical || "0px";
trial.margin_horizontal = trial.margin_horizontal || "8px";
@ -89,11 +82,7 @@ jsPsych.plugins["button-response"] = (function() {
trial = jsPsych.pluginAPI.evaluateFunctionParameters(trial);
// display stimulus
if (!trial.is_html) {
display_element.innerHTML = '<img src="'+trial.stimulus+'" id="jspsych-button-response-stimulus"></img>';
} else {
display_element.innerHTML = '<div id="jspsych-button-response-stimulus">'+trial.stimulus+'</div>';
}
display_element.innerHTML = '<img src="'+trial.stimulus+'" id="jspsych-image-button-response-stimulus"></img>';
//display buttons
var buttons = [];
@ -101,19 +90,19 @@ jsPsych.plugins["button-response"] = (function() {
if (trial.button_html.length == trial.choices.length) {
buttons = trial.button_html;
} else {
console.error('Error in button-response plugin. The length of the button_html array does not equal the length of the choices array');
console.error('Error in image-button-response plugin. The length of the button_html array does not equal the length of the choices array');
}
} else {
for (var i = 0; i < trial.choices.length; i++) {
buttons.push(trial.button_html);
}
}
display_element.innerHTML += '<div id="jspsych-button-response-btngroup"></div>';
display_element.innerHTML += '<div id="jspsych-image-button-response-btngroup"></div>';
for (var i = 0; i < trial.choices.length; i++) {
var str = buttons[i].replace(/%choice%/g, trial.choices[i]);
display_element.querySelector('#jspsych-button-response-btngroup').insertAdjacentHTML('beforeend',
'<div class="jspsych-button-response-button" style="display: inline-block; margin:'+trial.margin_vertical+' '+trial.margin_horizontal+'" id="jspsych-button-response-button-' + i +'" data-choice="'+i+'">'+str+'</div>');
display_element.querySelector('#jspsych-button-response-button-' + i).addEventListener('click', function(e){
display_element.querySelector('#jspsych-image-button-response-btngroup').insertAdjacentHTML('beforeend',
'<div class="jspsych-image-button-response-button" style="display: inline-block; margin:'+trial.margin_vertical+' '+trial.margin_horizontal+'" id="jspsych-image-button-response-button-' + i +'" data-choice="'+i+'">'+str+'</div>');
display_element.querySelector('#jspsych-image-button-response-button-' + i).addEventListener('click', function(e){
var choice = e.currentTarget.getAttribute('data-choice'); // don't use dataset for jsdom compatibility
after_response(choice);
});
@ -144,10 +133,10 @@ jsPsych.plugins["button-response"] = (function() {
// after a valid response, the stimulus will have the CSS class 'responded'
// which can be used to provide visual feedback that a response was recorded
display_element.querySelector('#jspsych-button-response-stimulus').className += ' responded';
display_element.querySelector('#jspsych-image-button-response-stimulus').className += ' responded';
// disable all the buttons after a response
var btns = document.querySelector('.jspsych-button-response-button');
var btns = document.querySelector('.jspsych-image-button-response-button');
for(var i=0; i<btns.length; i++){
//btns[i].removeEventListener('click');
btns[i].setAttribute('disabled', 'disabled');
@ -182,17 +171,17 @@ jsPsych.plugins["button-response"] = (function() {
start_time = Date.now();
// hide image if timing is set
if (trial.timing_stim > 0) {
if (trial.stimulus_duration > 0) {
jsPsych.pluginAPI.setTimeout(function() {
display_element.querySelector('#jspsych-button-response-stimulus').style.visibility = 'hidden';
}, trial.timing_stim);
display_element.querySelector('#jspsych-image-button-response-stimulus').style.visibility = 'hidden';
}, trial.stimulus_duration);
}
// end trial if time limit is set
if (trial.timing_response > 0) {
if (trial.trial_duration > 0) {
jsPsych.pluginAPI.setTimeout(function() {
end_trial();
}, trial.timing_response);
}, trial.trial_duration);
}
};

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@ -0,0 +1,156 @@
/**
* jspsych-image-keyboard-response
* Josh de Leeuw
*
* plugin for displaying a stimulus and getting a keyboard response
*
* documentation: docs.jspsych.org
*
**/
jsPsych.plugins["image-keyboard-response"] = (function() {
var plugin = {};
jsPsych.pluginAPI.registerPreload('image-keyboard-response', 'stimulus', 'image');
plugin.info = {
name: 'image-keyboard-response',
description: '',
parameters: {
stimulus: {
type: [jsPsych.plugins.parameterType.IMAGE],
default: undefined,
no_function: false,
description: ''
},
choices: {
type: [jsPsych.plugins.parameterType.KEYCODE],
array: true,
default: jsPsych.ALL_KEYS,
no_function: false,
description: ''
},
prompt: {
type: [jsPsych.plugins.parameterType.STRING],
default: '',
no_function: false,
description: ''
},
stimulus_duration: {
type: [jsPsych.plugins.parameterType.INT],
default: -1,
no_function: false,
description: ''
},
trial_duration: {
type: [jsPsych.plugins.parameterType.INT],
default: -1,
no_function: false,
description: ''
},
response_ends_trial: {
type: [jsPsych.plugins.parameterType.BOOL],
default: true,
no_function: false,
description: ''
},
}
}
plugin.trial = function(display_element, trial) {
// set default values for the parameters
trial.choices = trial.choices || jsPsych.ALL_KEYS;
trial.response_ends_trial = (typeof trial.response_ends_trial == 'undefined') ? true : trial.response_ends_trial;
trial.stimulus_duration = trial.stimulus_duration || -1;
trial.trial_duration = trial.trial_duration || -1;
trial.prompt = trial.prompt || "";
var new_html = '<img src="'+trial.stimulus+'" id="jspsych-image-keyboard-response-stimulus"></img>';
// add prompt
new_html += trial.prompt;
// draw
display_element.innerHTML = new_html;
// store response
var response = {
rt: -1,
key: -1
};
// function to end trial when it is time
var end_trial = function() {
// kill any remaining setTimeout handlers
jsPsych.pluginAPI.clearAllTimeouts();
// kill keyboard listeners
if (typeof keyboardListener !== 'undefined') {
jsPsych.pluginAPI.cancelKeyboardResponse(keyboardListener);
}
// gather the data to store for the trial
var trial_data = {
"rt": response.rt,
"stimulus": trial.stimulus,
"key_press": response.key
};
// clear the display
display_element.innerHTML = '';
// move on to the next trial
jsPsych.finishTrial(trial_data);
};
// function to handle responses by the subject
var after_response = function(info) {
// after a valid response, the stimulus will have the CSS class 'responded'
// which can be used to provide visual feedback that a response was recorded
display_element.querySelector('#jspsych-image-keyboard-response-stimulus').className += ' responded';
// only record the first response
if (response.key == -1) {
response = info;
}
if (trial.response_ends_trial) {
end_trial();
}
};
// start the response listener
if (trial.choices != jsPsych.NO_KEYS) {
var keyboardListener = jsPsych.pluginAPI.getKeyboardResponse({
callback_function: after_response,
valid_responses: trial.choices,
rt_method: 'date',
persist: false,
allow_held_key: false
});
}
// hide stimulus if stimulus_duration is set
if (trial.stimulus_duration > 0) {
jsPsych.pluginAPI.setTimeout(function() {
display_element.querySelector('#jspsych-image-keyboard-response-stimulus').style.visibility = 'hidden';
}, trial.stimulus_duration);
}
// end trial if trial_duration is set
if (trial.trial_duration > 0) {
jsPsych.pluginAPI.setTimeout(function() {
end_trial();
}, trial.trial_duration);
}
};
return plugin;
})();

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@ -0,0 +1,131 @@
/**
* jspsych-image-slider-response
* a jspsych plugin for free response survey questions
*
* Josh de Leeuw
*
* documentation: docs.jspsych.org
*
*/
jsPsych.plugins['image-slider-response'] = (function() {
var plugin = {};
jsPsych.pluginAPI.registerPreload('image-slider-response', 'stimulus', 'image');
plugin.info = {
name: 'image-slider-response',
description: '',
parameters: {
stimulus_duration: {
type: [jsPsych.plugins.parameterType.INT],
default: -1,
no_function: false,
description: ''
},
trial_duration: {
type: [jsPsych.plugins.parameterType.INT],
default: -1,
no_function: false,
description: ''
},
response_ends_trial: {
type: [jsPsych.plugins.parameterType.BOOL],
default: true,
no_function: false,
description: ''
},
}
}
plugin.trial = function(display_element, trial) {
trial.min = trial.min || 0;
trial.max = trial.max || 100;
trial.step = trial.step || 1;
trial.button_label = typeof trial.button_label === 'undefined' ? 'Next' : trial.button_label;
trial.response_ends_trial = (typeof trial.response_ends_trial == 'undefined') ? true : trial.response_ends_trial;
trial.stimulus_duration = trial.stimulus_duration || -1;
trial.trial_duration = trial.trial_duration || -1;
trial.prompt = trial.prompt || "";
// if any trial variables are functions
// this evaluates the function and replaces
// it with the output of the function
trial = jsPsych.pluginAPI.evaluateFunctionParameters(trial);
var html = '<div id="jspsych-image-slider-response" class="jspsych-image-slider-response-question" style="margin: 100px 0px;">';
html += '<div class="jspsych-image-slider-response-stimulus"><img src="' + trial.stimulus + '"></div>';
html += '<div class="jspsych-image-slider-response-container" style="position:relative;">';
html += '<input type="range" min="'+trial.min+'" max="'+trial.max+'" step="'+trial.step+'" style="width: 100%;" id="jspsych-image-slider-response-response"></input>';
html += '<div>'
for(var j=0; j < trial.labels.length; j++){
var width = 100/(trial.labels.length-1);
var left_offset = (j * (100 /(trial.labels.length - 1))) - (width/2);
html += '<div style="display: inline-block; position: absolute; left:'+left_offset+'%; text-align: center; width: '+width+'%;">';
html += '<span style="text-align: center; font-size: 80%;">'+trial.labels[j]+'</span>';
html += '</div>'
}
html += '</div>';
html += '</div>';
html += '</div>';
html += trial.prompt;
// add submit button
html += '<button id="jspsych-image-slider-response-next" class="jspsych-btn">'+trial.button_label+'</button>';
display_element.innerHTML = html;
var response = {
rt: -1,
response: -1
};
display_element.querySelector('#jspsych-image-slider-response-next').addEventListener('click', function() {
// measure response time
var endTime = (new Date()).getTime();
response.rt = endTime - startTime;
response.response = display_element.querySelector('#jspsych-image-slider-response-response').value;
if(response_ends_trial){
end_trial();
} else {
display_element.querySelector('#jspsych-image-slider-response-next').disabled = true;
}
});
function end_trial(){
// save data
var trialdata = {
"rt": response.rt,
"response": response.response
};
display_element.innerHTML = '';
// next trial
jsPsych.finishTrial(trialdata);
}
if (trial.stimulus_duration > 0) {
jsPsych.pluginAPI.setTimeout(function() {
display_element.querySelector('#jspsych-image-slider-response-stimulus').style.visibility = 'hidden';
}, trial.stimulus_duration);
}
// end trial if trial_duration is set
if (trial.trial_duration > 0) {
jsPsych.pluginAPI.setTimeout(function() {
end_trial();
}, trial.trial_duration);
}
var startTime = (new Date()).getTime();
};
return plugin;
})();

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@ -1,81 +0,0 @@
/**
* jspsych-slider-response
* a jspsych plugin for free response survey questions
*
* Josh de Leeuw
*
* documentation: docs.jspsych.org
*
*/
jsPsych.plugins['slider-response'] = (function() {
var plugin = {};
jsPsych.pluginAPI.registerPreload('slider-response', 'stimulus', 'image', function(t){ return !t.is_html || t.is_html == 'undefined'});
plugin.info = {
name: 'slider-response',
description: '',
parameters: {
}
}
plugin.trial = function(display_element, trial) {
trial.min = trial.min || 0;
trial.max = trial.max || 100;
trial.step = trial.step || 1;
trial.is_html = typeof trial.is_html === 'undefined' ? false : trial.is_html;
trial.button_label = typeof trial.button_label === 'undefined' ? 'Next' : trial.button_label;
// if any trial variables are functions
// this evaluates the function and replaces
// it with the output of the function
trial = jsPsych.pluginAPI.evaluateFunctionParameters(trial);
var html = '<div id="jspsych-slider-response" class="jspsych-slider-response-question" style="margin: 100px 0px;">';
html += '<div class="jspsych-slider-response-question-text">' + trial.stimulus + '</div>';
html += '<div class="jspsych-slider-response-container" style="position:relative;">';
html += '<input type="range" min="'+trial.min+'" max="'+trial.max+'" step="'+trial.step+'" style="width: 100%;" id="jspsych-slider-response-response"></input>';
html += '<div>'
for(var j=0; j < trial.labels.length; j++){
var width = 100/(trial.labels.length-1);
var left_offset = (j * (100 /(trial.labels.length - 1))) - (width/2);
html += '<div style="display: inline-block; position: absolute; left:'+left_offset+'%; text-align: center; width: '+width+'%;">';
html += '<span style="text-align: center; font-size: 80%;">'+trial.labels[j]+'</span>';
html += '</div>'
}
html += '</div>';
html += '</div>';
html += '</div>';
// add submit button
html += '<button id="jspsych-slider-response-next" class="jspsych-btn">'+trial.button_label+'</button>';
display_element.innerHTML = html;
display_element.querySelector('#jspsych-slider-response-next').addEventListener('click', function() {
// measure response time
var endTime = (new Date()).getTime();
var response_time = endTime - startTime;
// save data
var trialdata = {
"rt": response_time,
"response": display_element.querySelector('#jspsych-slider-response-response').value
};
display_element.innerHTML = '';
// next trial
jsPsych.finishTrial(trialdata);
});
var startTime = (new Date()).getTime();
};
return plugin;
})();