mirror of
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.
83 lines
2.4 KiB
JavaScript
Executable File
83 lines
2.4 KiB
JavaScript
Executable File
function sd_create(params)
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{
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sd_stims = params["stimuli"];
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trials = new Array(sd_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"] = "sd";
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trials[i]["a_path"] = sd_stims[i][0];
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trials[i]["b_path"] = sd_stims[i][1];
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trials[i]["timing"] = params["timing"];
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trials[i]["answer"] = params["answer"][i];
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if(params["prompt"] != undefined){
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trials[i]["prompt"] = params["prompt"];
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}
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if(params["data"]!=undefined){
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trials[i]["data"] = params["data"][i];
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}
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}
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return trials;
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}
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function sd_trial($this, block, trial, part)
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{
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switch(part){
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case 1:
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p1_time = (new Date()).getTime();
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$.fn.jsPsych.showImage($this, trial.a_path, 'sd');
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setTimeout(sd_trial, trial.timing[0], $this, block, trial, part + 1);
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break;
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case 2:
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p2_time = (new Date()).getTime();
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$('.sd').remove();
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setTimeout(sd_trial, trial.timing[1], $this, block, trial, part + 1);
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break;
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case 3:
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p3_time = (new Date()).getTime();
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$.fn.jsPsych.showImage($this, trial.b_path, 'sd');
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if(trial.timing[3]!=undefined){
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setTimeout(sd_trial, trial.timing[3], $this, block, trial, part + 1);
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} else {
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sd_trial($this, block, trial, part + 1);
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}
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break;
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case 4:
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p4_time = (new Date()).getTime();
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if(trial.timing[3]!=undefined){
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$('.sd').remove();
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$this.html(trial.prompt);
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}
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startTime = (new Date()).getTime();
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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 -- same
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{
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flag = true;
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if(trial.answer == "same") { correct = true; }
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} else if(e.which=='81') // 'q' key -- different
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{
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flag = true;
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if(trial.answer == "different"){ 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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stim1_time = (p2_time-p1_time);
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isi_time = (p3_time-p2_time);
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stim2_time = (p4_time-p3_time);
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var trial_data = {"rt": rt, "correct": correct, "a_path": trial.a_path, "b_path": trial.b_path, "key_press": e.which, "stim1_time": stim1_time, "stim2_time":stim2_time, "isi_time":isi_time}
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block.data[block.trial_idx] = $.extend({},trial_data,trial.data);
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$(document).unbind('keyup',resp_func);
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$('.sd').remove();
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$this.html('');
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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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break;
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}
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}
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