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added a touch version of the xab task (click on the target instead of pressing a key)

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Josh de Leeuw 2012-04-23 20:56:18 -04:00
parent 78317f4f9f
commit 5ffc885139
2 changed files with 92 additions and 2 deletions
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81
jspsych-xab-touch.js Normal file
View File

@ -0,0 +1,81 @@
function xab_touch_create(params)
{
//xab_stims = shuffle(xab_stims);
xab_stims = params["stimuli"];
trials = new Array(xab_stims.length);
for(var i = 0; i < trials.length; i++)
{
trials[i] = {};
trials[i]["type"] = "xab_touch";
trials[i]["a_path"] = xab_stims[i][0];
trials[i]["b_path"] = xab_stims[i][1];
trials[i]["timing"] = params["timing"];
if(params["data"]!=undefined){
trials[i]["data"] = params["data"][i];
}
}
return trials;
}
function xab_touch_trial($this, block, trial, part)
{
switch(part){
case 1:
p1_time = (new Date()).getTime();
$.fn.jsPsych.showImage($this, trial.a_path, 'xab');
setTimeout(xab_trial, trial.timing[0], $this, block, trial, part + 1);
break;
case 2:
p2_time = (new Date()).getTime();
$('.xab').remove();
setTimeout(xab_trial, trial.timing[1], $this, block, trial, part + 1);
break;
case 3:
p3_time = (new Date()).getTime();
startTime = (new Date()).getTime();
var images = [trial.a_path, trial.b_path];
var target_left = (Math.floor(Math.random()*2)==0); // binary true/false choice
if(!target_left){
images = [trial.b_path, trial.a_path];
}
//$.fn.jsPsych.showImages($this, images, 'xab');
var left_img = document.createElement('img');
left_img.setAttribute('src', images[0]);
left_img.setAttribute('class', 'xab_touch');
$this.append(left_img);
left_img.click(function() {
if(target_left) { correct = true; }
endTime = (new Date()).getTime();
rt = (endTime-startTime);
stim1_time = (p2_time-p1_time);
isi_time = (p3_time-p2_time);
var trial_data = {"rt": rt, "correct": correct, "a_path": trial.a_path, "b_path": trial.b_path, "key_press": e.which, "key_press": e.which, "stim1_time": stim1_time, "isi_time":isi_time}
block.data[block.trial_idx] = $.extend({},trial_data,trial.data);
$('.xab').remove();
setTimeout(function(b){b.next();}, trial.timing[2], block);
});
var right_img = document.createElement('img');
right_img.setAttribute('src', images[1]);
right_img.setAttribute('class', 'xab_touch');
$this.append(right_img);
right_img.click(function() {
if(!target_left) { correct = true; }
endTime = (new Date()).getTime();
rt = (endTime-startTime);
stim1_time = (p2_time-p1_time);
isi_time = (p3_time-p2_time);
var trial_data = {"rt": rt, "correct": correct, "a_path": trial.a_path, "b_path": trial.b_path, "key_press": e.which, "key_press": e.which, "stim1_time": stim1_time, "isi_time":isi_time}
block.data[block.trial_idx] = $.extend({},trial_data,trial.data);
$('.xab').remove();
setTimeout(function(b){b.next();}, trial.timing[2], block);
});
//TODO: CHECK IF IMAGE SHOULD DISAPPEAR
//based on timings
break;
}
}

13
jspsych-xab.js
View File

@ -10,6 +10,9 @@ function xab_create(params)
trials[i]["a_path"] = xab_stims[i][0];
trials[i]["b_path"] = xab_stims[i][1];
trials[i]["timing"] = params["timing"];
if(params["data"]!=undefined){
trials[i]["data"] = params["data"][i];
}
}
return trials;
}
@ -18,16 +21,19 @@ function xab_trial($this, block, trial, part)
{
switch(part){
case 1:
p1_time = (new Date()).getTime();
$.fn.jsPsych.showImage($this, trial.a_path, 'xab');
setTimeout(xab_trial, trial.timing[0], $this, block, trial, part + 1);
break;
case 2:
p2_time = (new Date()).getTime();
$('.xab').remove();
setTimeout(xab_trial, trial.timing[1], $this, block, trial, part + 1);
break;
case 3:
p3_time = (new Date()).getTime();
startTime = (new Date()).getTime();
var images = [trial.a_path,trial.b_path];
var images = [trial.a_path, trial.b_path];
var target_left = (Math.floor(Math.random()*2)==0); // binary true/false choice
if(!target_left){
images = [trial.b_path, trial.a_path];
@ -49,7 +55,10 @@ function xab_trial($this, block, trial, part)
{
endTime = (new Date()).getTime();
rt = (endTime-startTime);
block.data[block.trial_idx] = {"rt": rt, "correct": correct, "a_path": trial.a_path, "b_path": trial.b_path, "keypress": e.which}
stim1_time = (p2_time-p1_time);
isi_time = (p3_time-p2_time);
var trial_data = {"rt": rt, "correct": correct, "a_path": trial.a_path, "b_path": trial.b_path, "key_press": e.which, "key_press": e.which, "stim1_time": stim1_time, "isi_time":isi_time}
block.data[block.trial_idx] = $.extend({},trial_data,trial.data);
$(document).unbind('keyup',resp_func);
$('.xab').remove();
setTimeout(function(b){b.next();}, trial.timing[2], block);