Randomization of a video game taken from the web

Question

My study requires participants to play a web-based video game designed to induce stress. The design is experimental so participants will play one of two games which need to be randomly assigned. How do I input the games into my study and ensure they are randomly assigned?

Comments

General answer: Use a random generator.

Let's start at the other end: How do you redirect them to the video game at all? And how do they come back to the questionnaire?

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I was hoping for a bit of guidance on that. I would like the participants to be able to click on a URL to the game and be redirected back to the survey to complete the dependent measures. I was thinking they would be able to click on a link that takes them to a separate web page to play the game for the allotted time. They would remain logged into SoSci but be unable to leave the page with the link until the time is up.

Answer 1

and be redirected back to the survey to complete the dependent measures.

That's something that must happen in the external piece of software. It must read the case token, remember it, and the use it for the redirect back.

If the software cannot do that, you'll have to work without its help. That means, you could run the external page in an within your questionnaire, or you might open the external page in a new browser tab, so respondents will return when they close the tab.

They would remain logged into SoSci but be unable to leave the page with the link until the time is up.

That part is easy: Timer: Show the 'Next' Button After a Certain Period of Time

And regarding the random generator. It will just take care to set the proper URL, but first make sure that it works with one page.