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https://github.com/jspsych/jsPsych.git
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e556be06c9
-- added time recording to samedifferent task, which records the actual clock time that stimuli were onscreen. We're using this data to verify that stimuli are presented for the desired amount of time. -- fixed a bug in XAB task, where some correct responses were not being recorded.
63 lines
1.8 KiB
JavaScript
Executable File
63 lines
1.8 KiB
JavaScript
Executable File
function xab_create(params)
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{
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//xab_stims = shuffle(xab_stims);
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xab_stims = params["stimuli"];
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trials = new Array(xab_stims.length);
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for(var i = 0; i < trials.length; i++)
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{
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trials[i] = {};
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trials[i]["type"] = "xab";
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trials[i]["a_path"] = xab_stims[i][0];
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trials[i]["b_path"] = xab_stims[i][1];
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trials[i]["timing"] = params["timing"];
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}
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return trials;
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}
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function xab_trial($this, block, trial, part)
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{
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switch(part){
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case 1:
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$.fn.jsPsych.showImage($this, trial.a_path, 'xab');
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setTimeout(xab_trial, trial.timing[0], $this, block, trial, part + 1);
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break;
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case 2:
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$('.xab').remove();
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setTimeout(xab_trial, trial.timing[1], $this, block, trial, part + 1);
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break;
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case 3:
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startTime = (new Date()).getTime();
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var images = [trial.a_path,trial.b_path];
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var target_left = (Math.floor(Math.random()*2)==0); // binary true/false choice
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if(!target_left){
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images = [trial.b_path, trial.a_path];
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}
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$.fn.jsPsych.showImages($this, images, 'xab');
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var resp_func = function(e) {
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var flag = false;
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var correct = false;
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if(e.which=='80') // 'p' key
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{
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flag = true;
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if(!target_left) { correct = true; }
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} else if(e.which=='81') // 'q' key
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{
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flag = true;
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if(target_left){ correct = true; }
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}
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if(flag)
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{
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endTime = (new Date()).getTime();
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rt = (endTime-startTime);
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block.data[block.trial_idx] = {"rt": rt, "correct": correct, "a_path": trial.a_path, "b_path": trial.b_path, "keypress": e.which}
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$(document).unbind('keyup',resp_func);
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$('.xab').remove();
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setTimeout(function(b){b.next();}, trial.timing[2], block);
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}
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}
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$(document).keyup(resp_func);
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//TODO: CHECK IF IMAGE SHOULD DISAPPEAR
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//based on timings
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break;
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}
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} |