Only continue routine after 3 seconds & response slider & spacebar

Online experiments
1

OS (e.g. Win10): Win10
PsychoPy version (e.g. 1.84.x): 2020.2.10

I currently use the following piece of code to make sure participants first give an answer on a slider and press spacebar before they can continue. I want to add a time element to that as well.

I tried the following but it does not seem to work online.

#in python begin routine:
timer = core.CountdownTimer(3)

#in javascript begin routine:
timer =new.code.CountdownTimer(3);

and

# in python each frame:

keys = event.getKeys() 

if slider_predicts1f.getRating() is not None and 'space' in keys and timer.getTime()<0: 
    continueRoutine=False
  
# in javascript each frame: 

  var _pj;
function _pj_snippets(container) {
    function in_es6(left, right) {
        if (((right instanceof Array) || ((typeof right) === "string"))) {
            return (right.indexOf(left) > (- 1));
        } else {
            if (((right instanceof Map) || (right instanceof Set) || (right instanceof WeakMap) || (right instanceof WeakSet))) {
                return right.has(left);
            } else {
                return (left in right);
            }
        }
    }
    container["in_es6"] = in_es6;
    return container;
}
_pj = {};
_pj_snippets(_pj);
keys = event.getKeys();
if ((((slider_predicts1f.getRating() !== undefined) && _pj.in_es6("space", keys)) && (timer.getTime() > 0))) {
    continueRoutine = false;
}

It gives me the error:

  • TypeError: core.CountdownTimer is not a constructor

I would greatly appreciate any help with adding the 3 second ‘wait’ period before participants can continue (in addition to the spacebar and slider).

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2

As per my crib sheet clocks need to be defined in a Both code component.

myClock = core.Clock() should be translated to myClock = new util.Clock()

However, I wouldn’t bother with a custom clock. Just add and t > 3 to your if statement instead.

t is a built in routine timer.

1 Like
3

Thank you so very much!

4

Hi,

I used both the core clock and the slider-snippet-code from your snippet document (2020.2.10), and it works fine online but gives the following error on my desktop:

File "E:\PsyTest\ACLTABv1\ACLTABv1_lastrun.py", line 1586, in <module>
    if rated == 0 and t >.1 and oefenslider_PRts1.getRating() >= 0:
TypeError: '>=' not supported between instances of 'NoneType' and 'int'

Is it so that oefenslider_PRts1.getRating() = None (so NoneType) and this is not compatible with the >= 0?

So a solution would be to change:

if rated == 0 and t >.1 and oefenslider_PRts1.getRating() >= 0:
    rated=t
elif rated >0 and t >3 and t >rated+.1:
    continueRoutine=False

to:

if rated == 0 and t >.1 and oefenslider_PRts1.getRating() != None:
    rated=t
elif rated >0 and t >3 and t >rated+.1:
    continueRoutine=False

?

I think this is correct, but wanted to check to be sure I understand it correctly and because it is in the snippet document I am wondering if I made a mistake.

5

(and the code with ‘>=0’ works corrrectly online because it auto-translates correctly, but if you want it to work both on your desktop and online you have to change >=0 to != None in python and change null to undefined in javascript?)

6

Correct. None offline is usually undefined online.

However, you might be interested in my new interactive slider demo which ignores getRating completely.

1 Like