Which steak would you prefer: one that is 25% fat, or one that is 75% lean? If you’re like the participants in a classic study by Irwin Levin, you’d pick the latter. This finding represents a framing effect, where equivalent information presented in different ways influences behavior. In this example, the steak labeled with a […]
“We all sometimes feel that we make different decisions when we’re hungry. We can now be more specific about this, by distinguishing planned vs. habitual actions.” – Sanjay Manohar Hunger is a beast. It can make us act unlike ourselves at times. As every Snickers ad reminds us: you’re not you when you’re hungry. We […]
If you are a cognitive psychologist, you have probably used the Deese-Roediger-McDermott paradigm in your lectures as a false memory demonstration. If not, try the demo now by reading the following list. Try to remember the words for a memory test (don’t take notes!): soda heart tooth tart taste sour bitter good sugar candy nice […]
What do we know about the structures of our knowledge and its connectivity? Do they differ between novices and experts, especially on the topics of experts? Imagine if I asked you to come up with as many words as possible related to quantum mechanics. How many words would you generate? How about if you had […]
There are many lessons in life that we have all had to learn the hard way: don’t cram the dishwasher full of plates, arrive at the airport well before your flight time, and maybe take two trips instead of carrying a huge armload of laundry up the stairs in one go. When we make mistakes […]
Does Stanley Hudson, from The Office (US), sport a moustache? In an opener from the now-classic NBC sitcom, The Office (US), Dunder Mifflin staff members debate over whether their colleague has a moustache. The episode starts with the announcement that Stanley Hudson, a Black employee, is returning from his recent tonsillectomy, and his colleagues get […]
When was the last time you looked for a T among Ls? Unless you spend a lot of time in the lab, running in visual search experiments, your experience of visual search probably isn’t looking for Ts amongst Ls. Your experience of visual search in day to day life is probably more like “where’s my […]
Researchers have argued for centuries over two leading statistical approaches: Bayesian analysis and the Frequentist approach. Both holding their own complex (and convincing) reasoning, well-meaning researchers can all agree on the goal of their analyses: reaching conclusions with the least amount of bias and error. The war between Bayesians and Frequentists is likely far from […]
Let’s set the stage with a series of images. Each of these pictorial examples represents a different aspect of decision-making, which requires the ability to compare incoming stimuli quickly to behave appropriately. In the case of the flying stimuli in the first set of images, a human might be asked to categorize […]
Let’s get this post started with a cognitive science themed trivia question. What’s the name of the intelligence component comprising declarative and procedural knowledge learnt by an individual throughout their life span? The answer is: crystallized intelligence. Information such as the number of different words a person knows (vocabulary size) and the ability to retrieve […]