[Sigia-l] User testing

[Katrien Janin]

>
> When using an outside firm for participant recruiting, you need to 
> prepare a detailed screener. This contains questions that the 
> recruiters ask potential participants to determine if they are 
> appropriate for your test. It needs to be "recruiter-proof": 
> recruiters will give you anyone who provides the correct answers to 
> your questions, and you generally can't count on them using 
> independent judgement on your behalf. Preparing a good screener can be 
> a lot of work, and practice helps. If you haven't done one yourself, 
> you may want to get the help of someone who has for your first one. 
> I'd be happy to send you a sample screener.

If you could, that would be great. For the moment, my only parameters 
are ages between 18-55, uses a computer on regular basis, owns a 
digital camera and uses it on a regular basis.

Problem is that my clients can't really help me with building users 
profiles, because of no real data available (well, they have the data 
but it all very vague, they just know in which country people have 
registered, which camera they own and how many users use the account 
actively)


> The recruiting firm you use can recommend the amount you should pay 
> participants, and it varies with how hard the participants are to get, 
> how much time you need them, and the local economy. Here in the San 
> Francisco area, I pay US$75 to the easiest to find participants for a 
> one-hour test session. People with special skills or characteristics 
> get more; in some cases - such as top business executives - much more. 
> In general, you don't want the amount you're offering to be a reason 
> why otherwise good participants turn you down.

Yes, I am finding out that London agencies aren't exactly cheap (but 
then again, what is in London:)
But I still believe, it will be well worth the pain.

>
> Good luck with your test!

Thank you,

>
> Mitchell Gass
> uLab | PDA: Learning from Users | Designing with Users
> Berkeley, CA 94707 USA
> +1 510 525-6864 voice
> +1 510 525-4246 fax
> http://www.participatorydesign.com/
>
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Katrien Janin