September 23rd, 2024

Another Reason Why You Should Sleep on It Before Making an Important Decision

A Duke University study reveals that first impressions can bias decision-making. Participants who reflected before deciding made more rational choices, suggesting that time improves evaluations, especially for long-term decisions.

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Another Reason Why You Should Sleep on It Before Making an Important Decision

A recent study from Duke University highlights the impact of first impressions on decision-making and suggests that taking time to reflect can lead to better choices. The research, published in the Journal of Experimental Psychology: General, involved participants evaluating virtual boxes of items for a garage sale. The study found that when participants made decisions immediately, they were heavily influenced by the first items they encountered, leading to biased judgments and overestimations of value. This phenomenon, known as primacy bias, caused participants to favor boxes with valuable items on top, even if the overall value was the same across all boxes. However, those who waited overnight before making their decisions were less affected by first impressions and evaluated the boxes more rationally, considering items regardless of their position. The findings suggest that while quick judgments can be useful in some contexts, such as deciding whether to continue watching a movie, taking time to "sleep on it" is beneficial for decisions with longer-term implications, like hiring or dating. The study emphasizes the brain's ability to integrate experiences over time, leading to improved decision-making.

- First impressions can significantly influence decision-making, often leading to biased judgments.

- Participants who made immediate decisions favored boxes with valuable items on top due to primacy bias.

- Waiting overnight before making decisions resulted in more rational evaluations of options.

- Quick judgments can be useful in short-term scenarios, but longer-term decisions benefit from reflection.

- The study underscores the brain's capacity to summarize experiences for better future choices.

Link Icon 9 comments
By @slowmovintarget - 5 months
The real reason to sleep on it is that the hippocampus plays back the day's events into your long-term memory and omits the emotional context so that when you recall it, any emotion you have is fresh reaction, and recollection that you felt a certain way, but not a replay of the sharp emotions at the time the events occurred.

So sleeping on it is a way to wash the crud off the occurrence before reexamining it with a little more objectivity.

I read about this in Models of the Mind by Grace Lindsay. Great book.

By @snapcaster - 5 months
I always sleep on big decisions, but I also can't think of any instance in which I changed my mind after sleeping on it
By @ishtanbul - 5 months
I think the study is worthless. People aren’t able to consistently value arbitrary objects like teddy bears or lamps.
By @bequanna - 5 months
The saying “time kills all deals” seems to apply here.

Increasing the amount of time you dwell on a decision seems to decrease the amount of risk you’re willing to take.

By @bena - 5 months
But they were all the same, so the box they chose didn't matter. The first is just as good as the last.

So the people who made the snap judgements were no better or worse off than those who slept on it. I would say this study says close to nothing.

By @navjack27 - 5 months
When I'm troubleshooting something or making a big decision I definitely sleep on it. There is a lot of processing going on while it looks like I'm doing absolutely nothing. Once the frustration and the anxiety and maybe even the mourning processes, then I'm able to approach that thing better, be it a decision or a troubleshooting process, and then I'm usually able to have a way better outcome with significantly less personal stress and turmoil.

A good example I just came up with is let's say you go and reboot your network attached storage computer and when it comes back your entire array is dead. Now I am going to soften the blow a little bit by telling you that this nas of yours is the one that doesn't have anything life or death on it. Whatever is on it would just be annoying and by annoying I mean you have to redownload everything to put back into your archive and it's going to be hours or days or weeks of frustrating work. Your first impulse might be to simply buy replacement drives this exact moment so they are here tomorrow and you could get the machine back up and running and start recovering data. So you go and do that and you're frustrated but happy because the path to solving this is underway. 2 weeks later there is a sale on those exact drives that you just bought and you overspent buy a significant degree and that messes with your finances a little bit. Plus now you just have a nas with only some of the data back on it at this point. So good on you, you fixed the problem and overspent and for what? If you slept on it a little bit you might have realized that "ehhhh so what? It's just some annoying data that I am slightly inconvenienced by not having anymore. Let's reassess the situation and wait it out for a little bit.". In doing that you might have stumbled upon a sale or an alternative solution or you might just end up saving yourself the headache and the money because you processed the loss and you were okay with it.

By @aeternum - 5 months
The fact that humans are averse to change is a strong reason not to sleep on it.

Choosing status-quo has a gravity to it, and often the longer you wait the stronger the pull.

By @antimemetics - 5 months
In the words of the ancients, one should make his decisions within the space of seven breaths. If discrimination is long, it will spoil.