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I'm doing a minor in psychology and during my lesson in both psychological approaches and social psychology, this question popped into my head.

For as far as I know nudge theory is about altering the choice-architecture, but without removing choice. This results in certain (wanted) behaviour. Examples of nudges are: a fly in a urinal; the piano stairs in train stations is way of nudging; stores putting certain brands on eye-level; etc. Where priming is receiving a certain stimulus which creates (temporary) schemes of behaviour.

Could someone help me understand the difference, or how they are connected?

Thanks in advance!

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  • $\begingroup$ I will try and put something together with reputable sources but I have a fair bit going on at the moment. For the meantime, there is this article which may help on "nudging". $\endgroup$ – Chris Rogers Dec 8 '20 at 19:10
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They are not necessarily related concepts, and I think. While nudge (in Thaler's sense) is a mechanism for fostering choice in a planned way, priming refers to a faster processing of new stimuli related to recently activated ones.

It seems like the nudge of might happen through several possible mental processes, including (possibly) priming - although I personally couldn't find any example of how priming could be used to nudge a decision, I'm certain it might. None of the cited examples work through priming, though. For instance, it seems to me that the fly in the urinal example might work through a salience effect (a salient bug in the urinal makes one direct their attention to the salient object).

An example of priming (unrelated to nudge) could be when you see the word "bee", and then see a related stimuli, like the word "honey", and you recognize it faster because there's a previously activated schema. Priming might happen through a lot of means, like words rhyming or starting with the same syllable, semantically related objects, recognition of one object in an abstract pattern, etc. However, in priming there's always at least one prime (a previous stimulus) and one target (a later stimulus) and the prime will make the activation/recognition of the target faster.

Hypothetically, one could use priming to nudge people into "better" decisions if one could offer a prime related to the "best" decision (our target). For instance, consider there is a (widely known) healthy meal and an unhealthy alternative as the options in a restaurant menu. You might put a text saying "Be Healthy" at the cover, which people will see before seeing the alternatives. This might enhance the activation of the healthy alternative, and it might influence the choice (or not). While it's uncertain on whether the healthy food will be chosen, theoretically its activation will be faster due to priming.

SUGGESTED REFERENCES:

Matlin, M. W. Cognition. Hoboken: Wiley, 2012, 8th edition.

Sternberg, R. J. Sternberg, K. Cognitive Psychology. Boston: 2017, 7th edition.

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