A couple of days ago I noticed
that some of my connections on Linked In were answering a question posted
publicly. I do not want to name names, but since the question concerned two packages
for dog food, it is inevitable to show the two packages.
The message on Linked In was:
Hi, Would love some feedback! Our
current packaging is the design in the brown Kraft bag on the left and a draft
of our new packaging idea is in the creme bag on the right. Which design do you
prefer??
Beyond aesthetics and preferences
for dog-food bags, there are some very serious issues with this kind of
pseudo-research.
First, there is the obvious sampling
error. The linked-in connections of the person who asked are not necessarily dog
food buyers. I guess the budget for market research was very restrictive.
Second, it is utterly wrong to
ask people which one of these two packages is preferred. Which one to pick, is the question that the marketer has to answer.
However, the buyer (because the consumer is the dog – hopefully) will never
ever have to make this choice.
Choices and preferences are to a
large extent dependent on the context of the available options. We also know
that choices imply (sometimes unconscious) comparisons. If package B is aimed
to replace package A, then the buyers will never have to make the choice
between A and B.
Third, the choices buyers make
are not made in a void. In other words, the choices dog-food buyers will make
are between competing products and one of the products (packages) presented
above.
So, a correct way to do things
would be to have a between subjects design with two conditions:
Condition A: N competing brands +
package A
Condition B: N competing brands +
package B
Here N is the number of main
competitors on the market. The same competing brands should be used in both
conditions.
What should be measured is the
choice share for each package in the two conditions.
Fourth, asking people about their
preferences is sub-optimal. Preferences are not as stable as we’d like to
think. They depend on the other options the choice set has and on many other
factors. In this case, it is obvious that asking people online about their
future choices in supermarkets is a bit of a stretch.
Fifth, related to asking about
preferences and purchase intentions, there is quite a difference between
intentions / preferences and actual behavior. So the best way to do this is to
measure behavior and not intentions. Though, my friend John Kearon, thinks
there’s a better way to do this kind of research.
The interesting thing is that
someone had to make a choice / answer a question. This person then asked other
people the question she had to answer. However, the respondents have to answer
different questions to make their choices.
Now, the question I have to
answer is:
Why I wrote this post on dog-food packaging when I am definitely a cat
person.
P.S. The person who asked this
question owes me a beer for (free) consulting… A Hoppy Cat beer :)
Later edit (15 Jan 2016): Here's another similar example (also via Linked In), different area, but the same problem:
Good morning all! I would greatly appreciate if you could comment on which logo you prefer most. I can't say much more than it'll be for a design business. Any comments, likes, shares and feedback will be appreciated. Thank you!
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