12 votes

What if those with disabilities aren't your user base?

Everyone can be or will become disabled over time. Microsoft's Inclusive Design principles have very good examples of this. Even if you know that the majority of your users have no additional ...
Nathan Rabe's user avatar
  • 8,888
5 votes
Accepted

How many participants for a survey when you don't know the total population?

About 400 people. Sample size is more influenced by your confidence level and margin of error than the population size. If your confidence level is 95% and your margin for error ±5% your sample size ...
Nathan Rabe's user avatar
  • 8,888
5 votes

Getting internal participants

Don't just ask: do. Employ guerilla research techniques: Grab yourself a clipboard and go find any one of your users - Sit next to them and say do you "I'm just going to watch how you user the ...
Roux Martin's user avatar
  • 14.2k
3 votes

Getting internal participants

Do you have a budget? I found out its really easy to recruit people for testing if you invite them for lunch and tell them to eat something while testing your application, you pay for their lunch (7-...
Pectoralis Major's user avatar
2 votes

What if those with disabilities aren't your user base?

Firstly, do you know why only 0.1% of your users have additional needs? Can you guarantee that it's because they are not interested in your product or could it be that they cannot use your product so ...
Roux Martin's user avatar
  • 14.2k
2 votes

Getting internal participants

I agree that the best way to go about this is to go through a manager. Your testers might need to have manager approval anyway, and having a manager ask for volunteers will probably work better than ...
Ken Mohnkern's user avatar
  • 9,044
2 votes

Getting internal participants

Lots of good ideas already. My in-house team exclusively designs for employees. We've had a range of experiences with participant recruitment for depth interviews, concept feedback, prototype testing, ...
Antgirl's user avatar
  • 21
2 votes

Services for recruiting Japanese research participants

In the past I worked on several design and research projects for Japanese customers, and every time we connected and recruited with the help of local intermediaries and services. The main challenges, ...
Carlo C's user avatar
  • 136
2 votes
Accepted

How could I recruit neurodiverse participants on a user testing platform?

I don't have much experience with this myself, but because there are organisations and advocacy groups for these user groups, perhaps it is a more direct way to just approach them about contacting ...
Michael Lai's user avatar
  • 27.2k
2 votes

Scheduling user interviews from customer service calls

You could the send the customer a link to your calendar scheduling app via SMS, since you'll have their phone number. Your CSR can let the customer know to watch for it. Though you might consider: Is ...
Izquierdo's user avatar
  • 12.7k
1 vote

Incentive to recruit B2B customers for generative interviews

The main incentive is being part of the SASS creation process and helping create a product that will eventually help deliver more value to the community of customers. Also, early access to new product ...
Eran Bar's user avatar
  • 1,030
1 vote

How many participants for a survey when you don't know the total population?

There are two sides to this discussion - sample size. This is something that Nathan and Syed have covered adequately. sample selection. This is something that's actually more important. Suppose you ...
ahron's user avatar
  • 601
1 vote

How many participants for a survey when you don't know the total population?

Good answer by Nathan and 400 is a safe sample size in survey-based social science studies. Another aspect to consider is the type of analysis and tools used for those analyses. For example, if the ...
Syed Rahman's user avatar
1 vote

What if those with disabilities aren't your user base?

With very few exceptions impaired users will always be the minority of visitors on a website. They are also the minority in everyday life and yet we design buildings that are accessible, traffic ...
Androidicus's user avatar
1 vote
Accepted

Should I invite existing users to my summative usability test?

Would inviting existing users hurt the results of my summative usability test too much? Yes Should I rather invite existing users for a separate test? Yes Is there a benefit of including ...
Devin's user avatar
  • 38k
1 vote

How to recruit user test participants?

In the past, I've pried customer lists from the fingers of marketing execs to send mass invitations to remote tests. In large companies, these lists are usually stored in a CRM like Salesforce. For ...
RobC's user avatar
  • 1,549

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