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Practice.html
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Practice.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Practice</title>
<script src="js/jspsych.js"></script>
<script src="js/variables.js"></script>
<script src="js/functions.js"></script>
<script src="js/custom.css"></script>
<script src="js/jspsych-html-keyboard-response.js"></script>
<script src="js/jspsych-canvas-keyboard-response.js"></script>
<link href="js/jspsych.css" rel="stylesheet" type="text/css"/>
</head>
<script>
var welcome = {
type: "html-keyboard-response", stimulus: "<p style=\"font-size: 20px;color: #000000\"> Welcome to the study. </p> <p> Please make sure that you are participating in this study in a calm and comfortable environment. Please place your laptop or desktop screen at one-arm distance from your eyes. If you are doing this study on a laptop, ensure that the laptop screen is at 90 degrees with the keyboard. <br> There are instructions at every stage of the study. Please read and understand them carefully. <br> If you are running this study on Safari, please exit now and restart the study on any other browser (e.g. Chrome, Firefox, MS Edge). </p> <p> Press any key to process forward.</p>",
};
var fix = {
type: 'canvas-keyboard-response', stimulus: fixation, trial_duration: fix_dura, choices: jsPsych.NO_KEYS, data: { condition: 'fixation'},
};
var prac_block = {
type: "html-keyboard-response", stimulus: "<p style=\"font-size: 20px;color: #000000\"> Practice Block will begin now. Press any key to start the practice block.</p>",};
var prac_high_hc_s1 = {
type: 'canvas-keyboard-response',
on_start: function(prac_high_hc_s1){ //generates a random contrast level after every trial and it acts as input in the gabor function
prac_high_hc_s1.difference = randbet(high_min,high_max) // generates the contrast differnece level
prac_high_hc_s1.contrast_left = avgcon + jsPsych.currentTrial().difference; // calculates the left contrast
prac_high_hc_s1.contrast_right = avgcon - jsPsych.currentTrial().difference; // calculates the right contrast
},
stimulus: gabor, Choices: keys, trial_duration: duration, response_ends_trial: false,
on_finish: function (data) { // stores the data
data.condition = 'highcon'
data.state = 0
data.contrast_left = jsPsych.currentTrial().contrast_left
data.contrast_right = jsPsych.currentTrial().contrast_right
data.diff = jsPsych.currentTrial().difference
data.corr_resp = 'arrowleft' // correct response for this trial
if (data.response === data.corr_resp) { // comparing the correct response with the participant's response
data.correct = true;
} else {
data.correct = false;
}
},
};
var prac_high_hc_s0 = {
type: 'canvas-keyboard-response',
on_start: function(prac_high_hc_s0){
prac_high_hc_s0.difference = randbet(high_min_neg,high_min)
prac_high_hc_s0.contrast_right = avgcon - jsPsych.currentTrial().difference;
prac_high_hc_s0.contrast_left = avgcon + jsPsych.currentTrial().difference;
},
stimulus: gabor, Choices: keys, trial_duration: duration, response_ends_trial: false,
on_finish: function (data) {
data.state = 1
data.condition = 'highcon'
data.contrast_left = jsPsych.currentTrial().contrast_left
data.contrast_right = jsPsych.currentTrial().contrast_right
data.diff = jsPsych.currentTrial().difference
data.corr_resp = 'arrowright'
if (data.response === data.corr_resp) {
data.correct = true;
} else {
data.correct = false;
}
},
};
var prac_low_hc_s1 = {
type: 'canvas-keyboard-response',
on_start: function(prac_low_hc_s1){
prac_low_hc_s1.difference = randbet(low_min,low_max)
prac_low_hc_s1.contrast_right = avgcon - jsPsych.currentTrial().difference;
prac_low_hc_s1.contrast_left = avgcon + jsPsych.currentTrial().difference;
},
stimulus: gabor, Choices: keys, trial_duration: duration, response_ends_trial: false,
on_finish: function (data) {
data.state = 0
data.condition = 'highcon'
data.contrast_left = jsPsych.currentTrial().contrast_left
data.contrast_right = jsPsych.currentTrial().contrast_right
data.diff = jsPsych.currentTrial().difference
data.corr_resp = 'arrowleft'
if (data.response === data.corr_resp) {
data.correct = true;
} else {
data.correct = false;
}
},
};
var prac_low_hc_s0 = {
type: 'canvas-keyboard-response',
on_start: function(prac_low_hc_s0){ //generates_
prac_low_hc_s0.difference = randbet(low_min_neg,low_max_neg)
prac_low_hc_s0.contrast_left = avgcon + jsPsych.currentTrial().difference;
prac_low_hc_s0.contrast_right = avgcon - jsPsych.currentTrial().difference;
},
stimulus: gabor, Choices: keys, trial_duration: duration, response_ends_trial: false,
on_finish: function (data) {
data.state = 1
data.condition = 'highcon'
data.contrast_left = jsPsych.currentTrial().contrast_left
data.contrast_right = jsPsych.currentTrial().contrast_right
data.diff = jsPsych.currentTrial().difference
data.corr_resp = 'arrowright'
if (data.response === data.corr_resp) {
data.correct = true;
} else {
data.correct = false;
}
},
};
var prac_high_lc_s1 = {
type: 'canvas-keyboard-response',
on_start: function(prac_high_lc_s1){ //generates a random contrast level after every trial and it acts as input in the gabor function
prac_high_lc_s1.difference = randbet(high_min,high_max)
prac_high_lc_s1.contrast_right = avgcon - jsPsych.currentTrial().difference;
prac_high_lc_s1.contrast_left = avgcon + jsPsych.currentTrial().difference;
},
stimulus: gabor, Choices: keys, trial_duration: duration, response_ends_trial: false,
on_finish: function (data) {
data.condition = 'lowcon'
data.state = 0
data.contrast_left = jsPsych.currentTrial().contrast_left
data.contrast_right = jsPsych.currentTrial().contrast_right
data.diff = jsPsych.currentTrial().difference
data.corr_resp = 'arrowright'
if (data.response === data.corr_resp) {
data.correct = true;
} else {
data.correct = false;
}
},
};
var prac_high_lc_s0 = {
type: 'canvas-keyboard-response',
on_start: function(prac_high_lc_s0){ //generates a random contrast level after every trial and it acts as input in the gabor function
prac_high_lc_s0.difference = randbet(low_min_neg,low_max_neg)
prac_high_lc_s0.contrast_right = avgcon - jsPsych.currentTrial().difference;
prac_high_lc_s0.contrast_left = avgcon + jsPsych.currentTrial().difference;
},
stimulus: gabor, Choices: keys, trial_duration: duration, response_ends_trial: false,
on_finish: function (data) {
data.state = 1
data.condition = 'lowcon'
data.contrast_left = jsPsych.currentTrial().contrast_left
data.contrast_right = jsPsych.currentTrial().contrast_right
data.diff = jsPsych.currentTrial().difference
data.corr_resp = 'arrowleft'
if (data.response === data.corr_resp) {
data.correct = true;
} else {
data.correct = false;
}
},
};
var prac_low_lc_s1 = {
type: 'canvas-keyboard-response',
on_start: function(prac_low_lc_s1){ //generates a random contrast level after every trial and it acts as input in the gabor function
prac_low_lc_s1.difference = randbet(low_min,low_max)
prac_low_lc_s1.contrast_right = avgcon - jsPsych.currentTrial().difference;
prac_low_lc_s1.contrast_left = avgcon + jsPsych.currentTrial().difference;
},
stimulus: gabor, Choices: keys, trial_duration: duration, response_ends_trial: false,
on_finish: function (data) {
data.state = 0
data.condition = 'lowcon'
data.contrast_left = jsPsych.currentTrial().contrast_left
data.contrast_right = jsPsych.currentTrial().contrast_right
data.diff = jsPsych.currentTrial().difference
data.corr_resp = 'arrowright'
if (data.response === data.corr_resp) {
data.correct = true;
} else {
data.correct = false;
}
},
};
var prac_low_lc_s0 = {
type: 'canvas-keyboard-response',
on_start: function(prac_low_lc_s0){ //generates a random contrast level after every trial and it acts as input in the gabor function
prac_low_lc_s0.difference = randbet(high_min_neg,high_min)
prac_low_lc_s0.contrast_left = avgcon + jsPsych.currentTrial().difference;
prac_low_lc_s0.contrast_right = avgcon - jsPsych.currentTrial().difference;
},
stimulus: gabor, Choices: keys, trial_duration: duration, response_ends_trial: false,
on_finish: function (data) {
data.state = 1
data.condition = 'lowcon'
data.contrast_left = jsPsych.currentTrial().contrast_left
data.contrast_right = jsPsych.currentTrial().contrast_right
data.diff = jsPsych.currentTrial().difference
data.corr_resp = 'arrowleft'
if (data.response === data.corr_resp) {
data.correct = 1;
} else {
data.correct = 0;
}
},
};
var fb = {
type: 'html-keyboard-response', choices: jsPsych.NO_KEYS, trial_duration: duration,
stimulus: function () {
var last_trial_correct = jsPsych.data.get().last(1).values()[0].correct;
if (last_trial_correct) {
return "<p style=\"font-size: 30px;color: #016901\">You win 1 point!</p>";
} else {
return "<p style=\"font-size: 30px;color: #ba0000\">You win 0 points!</p>"
}
}
};
var stim_high_s0_lc = { timeline: [fix, prac_high_lc_s0, fb] };
var stim_high_s1_lc = { timeline: [fix, prac_high_lc_s1, fb] };
var stim_low_s0_lc = { timeline: [fix, prac_low_lc_s0, fb] };
var stim_low_s1_lc = { timeline: [fix, prac_low_lc_s1, fb] };
var lowcon = {
timeline: [stim_high_s0_lc, stim_high_s1_lc, stim_low_s0_lc, stim_low_s1_lc], repetitions: 6, randomize_order: true
};
var stim_high_s0_hc = { timeline: [fix, prac_high_hc_s0, fb] };
var stim_high_s1_hc = { timeline: [fix, prac_high_hc_s1, fb] };
var stim_low_s0_hc = { timeline: [fix, prac_low_hc_s0, fb] };
var stim_low_s1_hc = { timeline: [fix, prac_low_hc_s1, fb] };
var highcon = {
timeline: [stim_high_s0_hc, stim_high_s1_hc, stim_low_s0_hc, stim_low_s1_hc], repetitions: 6, randomize_order: true
};
var prac_score = {
type: 'html-keyboard-response',
stimulus:function () {
var prac_counter = prac_blocks.shift()
var prac_total = jsPsych.data.get().last(72).select('correct').sum()
return `<p style=\"font-size: 25px;color: #000000\">You win <strong> ${prac_total} </strong> points in this block. <br> You have completed <strong> ${prac_counter} </strong> out of 4 practice blocks. <br> Press a key to proceed forward.</p>`
}
};
var prac_block = {
type: "html-keyboard-response", stimulus: "<p style=\"font-size: 20px;color: #000000\"> A practice block will begin now. Press any key to start the practice block.</p>",
};
var pracblock1 = {timeline: [highcon, prac_score, prac_block], repetitions: 1};
var pracblock2 = {timeline: [lowcon, prac_score, prac_block], repetitions: 1};
var pracarray = [pracblock1, pracblock2];
var pracblocks = {timeline: jsPsych.randomization.shuffle(pracarray)};
timeline.push(welcome);
timeline.push(pracblocks);
timeline.push(pracblock1);
timeline.push(lowcon);
timeline.push(prac_score);
jsPsych.init({
timeline: timeline,
});
</script>
</html>