Creating notes for affinity diagrams

14 May 2008 - 10:30pm
5 years ago
2 replies
605 reads
oliver green
2006

Hi All,

I am writing up notes for an affinity diagram session. I see that
users are repeating some points during the interviews - i.e. these are
issues that a majority of users are facing. Should I make just one
note per issue or every time the issue is raised?

I guess what I am trying to ask is that should the weight/occurrence
of an issue also be recording during an affinity diagramming session?

Thanks,
Oliver

Comments

15 May 2008 - 12:34am
Matthew Zuckman
2008

It depends on the application - I generally don't weight items as a
result of frequency as it can be tough to know why one item was
mentioned more than others. For example, many people might notice
that a car is dirty, but thats not necessarily more important that
the fact the it has a flat tire.

That said, its almost certainly a valid data point that is worth
capturing. For marketing efforts, perception can be a key metric.

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Posted from the new ixda.org
http://www.ixda.org/discuss?post=29082

15 May 2008 - 7:57am
Chauncey Wilson
2007

There are several issues here:

1. How do the people going through the interview code items that are
very similar (making the same point with a high-degree of inter-rater
reliability).
2. What if a single user repeats something more than once during a
single interview.
3. What if the same item comes up during mulltiple interviews
4. Do you present the same item more than once during the actual
affinity diagram.
5. How do you weight an item that shows up more than once (across
different users).

First, off, you should define explicitly how you are dealing with
multiple instances of the same comment/issue/problem so all your
stakeholders know your rule for this.

Second, I think that you should indicate that the same comment came up
across mutiple users. As another person indicated in a response to
your question, the importance of the item may not correlate with
frequency (many people said something that is judged as not too
important), but it may be a small thing that is easy to fix that would
be noticed by your users. You could code your stickies with the
participant number so you can look across your affinity and say, 8 out
of 10 brought this issue up, but the comments can indicate how
important it is and that is another judgement. In small samples, I've
color coded the stickies by either company and coded the participant
by number so you could look at whether the comments lump by company
because of some corporate context or across groups. I've had a few
affinities where there were clumps by company, but also some things
that came up with multiple users and that is very useful information
and allows you to explore clumps by follow-up questions through phone
interviews, additional visits, or surveys.

Thanks,
Chauncey

On Wed, May 14, 2008 at 11:30 PM, oliver green <oliverhci at gmail.com> wrote:
> Hi All,
>
> I am writing up notes for an affinity diagram session. I see that
> users are repeating some points during the interviews - i.e. these are
> issues that a majority of users are facing. Should I make just one
> note per issue or every time the issue is raised?
>
> I guess what I am trying to ask is that should the weight/occurrence
> of an issue also be recording during an affinity diagramming session?
>
> Thanks,
> Oliver
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