main.setfontsize(75);
var d1,d2,d3;
d1 = addblock("center",5,90,22.5,"honeydew").text("
Informed Consent
");
d2 = addblock("center",27.5,90,45)
.text("I willingly participate in this experiment.
"
+"I confirm that I am at least 16 years old and I realize that participating at any moment during the task.")
.align("left");
d3 = addblock("center",70,30,10);
d3.button("Confirm").await("click");
d1.destroy();
d2.destroy();
d3.destroy();

var b = main.addblock("center",20,150,60,"honeydew");
b.text("This is an Emotion Stroop Task."
+"
It can take a minute to load. Please wait!
");
await(3000);

preload('hup1.png');
preload('hup2.png');
preload('hup3.png');
preload('hup4.png');
preload('hun1.png');
preload('hun2.png');
preload('hun3.png');
preload('hun4.png');
preload('obp1.png');
preload('obp2.png');
preload('obp3.png');
preload('obp4.png');
preload('obn1.png');
preload('obn2.png');
preload('obn3.png');
preload('obn4.png');
preload('huntrial.png');
preload('obtrial.png');
preload('obtrial2.png');
preload('too_slow.png');
image.await("preloading_completed");

b.text("
You will answer some general questions before the task.
");
await(3000);
main.removeblock(b);

select("What is your gender?",[['male',0],['female',1],['others',3],['prefer not to say',4]],'gender');
input("What is your age?","Age");
scale("How well do you think you can detect others' emotion most of the time?","Very badly","Very well","Sensitivity");

var b = main.addblock("center",20,150,60,"honeydew");
b.text("
Instruction 1/2
"
+"In this task, you will be presented with 16 image stimuli.
"
+"Each image has a face of either positive or negative emotion.
"
+"You will also see a emotion cue word on top of the image.
"
+"
Press SPACE to continue
",85);
awaitkey(" ");
b.clear();
b.text("
Instruction 2/2
"
+"Your job is to identify if the emotion cue matches the face emotion.
"
+"Press 'c' if the cue and image are congruent.
"
+"Press 'i' if they are incongruent.
"
+"Try to respond as fast as you can.
"
+"
Press SPACE to continue
",85);
awaitkey(" ");
b.text("You are now going to do a trial practice.
"
+"
Press SPACE to continue
",85)
awaitkey(" ");
main.removeblock(b);

var prac = [
    {cue:"happiness",image:'huntrial.png',letter: "i"},
    {cue:"sadness",image:'obtrial2.png',letter: "i"},
    {cue:"anger",image:'obtrial.png',letter: "c"}
    ]
prac = shuffle(prac);

var pracheader,
pracenter = main.addblock("center",30,60,80),
p;
for (var i = 0; i< prac.length;i++)
{
text("+").style("color","black");
await(500);
clear();
pracheader = main.addblock("center",10,70,15,"honeydew")
                  .text(prac[i].cue)
                  .style("font-weight","bold");
a = pracenter.setimage(prac[i].image);
a.style("width","420px"); 
a.style("height","420px"); 
p=awaitkey("c,i");

if(p.RT>3000)
{
    pracheader.text("Please respond faster!");
    pracenter.setimage('too_slow.png')
    .style("width","350px")
    .style("height","300px"); 
    await(2000);
}

main.removeblock(pracheader);
pracenter.clear();
}

var d = main.addblock("center",20,150,60,"honeydew");
d.text("The trial ends. 
"
+"You may now start the task when you are ready."
+"
Press SPACE to start.
");
awaitkey(" ");
main.removeblock(d);

var trials = [
    {cue:"joy",image:'hup2.png',congruency:'congruent', cond:1, letter: "c"},
    {cue:"happiness",image:'hun1.png',congruency:'incongruent', cond:2, letter:"i"},
    {cue:"sadness",image:'hun2.png',congruency:'congruent',cond:1,letter:"c"},
    {cue:"anger",image:'hup1.png',congruency:'incongruent',cond:2,letter:"i"},
    {cue:"joy",image:'obp1.png',congruency:'congruent',cond:3, letter: "c"},
    {cue:"happiness",image:'obn1.png',congruency:'incongruent',cond:4, letter:"i"},
    {cue:"sadness",image:'obn2.png',congruency:'congruent',cond:3,letter:"c"},
    {cue:"fear",image:'obp2.png',congruency:'incongruent',cond:4,letter:"i"},
    {cue:"sadness",image:'hup3.png',congruency:'incongruent', cond:2, letter:"i"},
    {cue:"neutral",image:'hup4.png',congruency:'congruent',cond:1,letter:"c"},
    {cue:"anger",image:'hun3.png',congruency:'congruent',cond:1,letter:"c"},
    {cue:"happiness",image:'hun4.png',congruency:'incongruent',cond:2,letter:"i"},
    {cue:"joy",image:'obp4.png',congruency:'congruent',cond:3, letter: "c"},
    {cue:"happiness",image:'obn3.png',congruency:'incongruent',cond:4, letter:"i"},
    {cue:"anger",image:'obn4.png',congruency:'congruent',cond:3,letter:"c"},
    {cue:"sadness",image:'obp3.png',congruency:'incongruent',cond:4,letter:"i"}
    ]

trials = shuffle(trials);
var headerblock,
centerblock = main.addblock("center",30,60,80),
a,slow,e,
human_total = 0, object_total= 0,
con_total = 0, incon_total = 0,
con_average,incon_average;

for (var i = 0; i< trials.length;i++)
{
text("+").style("color","black");
await(500);
clear();
headerblock = main.addblock("center",10,70,15,"honeydew")
                  .text(trials[i].cue)
                  .style("font-weight","bold");
a = centerblock.setimage(trials[i].image);
a.style("width","420px"); 
a.style("height","420px"); 
e = awaitkey("c,i");

if(e.RT>3000)
{
    headerblock.text("Please respond faster!");
    centerblock.setimage('too_slow.png')
    .style("width","350px")
    .style("height","300px"); 
    await(2000);
}

logtrial(e.RT,"RT",trials[i].cond)
if (trials[i].cond === 1 || trials[i].cond === 3) {
        con_total += e.RT;
    }
    else if(trials[i].cond === 2 || trials[i].cond === 4) {
        incon_total += e.RT;
    }
if (trials[i].cond === 1 || trials[i].cond === 2) {
        human_total += e.RT;
    }
    else if(trials[i].cond === 3 || trials[i].cond === 4) {
        object_total += e.RT;
    }

if (e.key === trials[i].letter)
{
logtrial(1,"Score",trials[i].cond);
} 
else 
{
logtrial(0,"Score",trials[i].cond);
}

main.removeblock(headerblock);
centerblock.clear();
}

con_average = con_total/8;
log(con_average,"con_average");
incon_average = incon_total/8;
log(incon_average,"incon_average");
await(1000);

var c = main.addblock("center",20,150,60,"honeydew");
c.text('Your average reaction time for congruent trials was '+ con_average.toFixed(2)+' ms
'
+'and for incongruent trials '+incon_average.toFixed(2) +' ms!');
await(5000);
c.clear();
c.text("
Finish
"+"Well done! Thanks for participating!");
await(2000);
main.removeblock(c)

Data inspection is forthcoming!

In the mean time, authors may download their own data and make it available as an Excel file. Check out the 'Stimuli and Files' tab.