Using mouse click to select one of several alternative responses

[Paul Groot]

Hi Richard,

You might have a look at the VAS example script I posted a while ago
on http://pfcgroot.nl/e-prime/83-example-scripts/80-visual-analogue-scale-example-for-e-prime.html.
This example contains a bit more script then you need, but the
ACK_HandleResponse function (in the user script tab) demonstrates how
you can use boundaries of (text-)objects as hit area for mouse clicks.
The core of this piece of script uses the Mouse.GetCursorPos and
Object.HitTest functions to implement two user confirmation buttons.
It can be easily adapted for more buttons. Also, instead of using the
boundaries of a slide element (i.e. text or image), you can also make
your own hit-test function.

cheers,
Paul Groot

2011/12/19 Richard Carvey <supercarv at googlemail.com>:
> Hi,
>
> I'm trying to build an experiment in which nine items are displayed on
> screen, and participants need to select one fo them using the mouse. I
> have seen a couple of people mention issues with clicks anywhere on
> screen being registered as responses, but I would like to make sure
> that only clicks within the bounds of the nine items are accepted, and
> that the specific item clicked is logged. Clicking any of the nine
> items should advanc the program, no one answer is correct or
> incorrect.
>
> If anybody could offer me some advice on how to achieve this, it would
> be greatly appreciated. Annoyingly, whoever installed E-Prime (1.2,
> btw) on this computer saw fit not install the help functions correctly/
> at all.
>
> Thanks,
>
> Richard
>
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