11
votes
1answer
240 views

Why do participants prefer to give input values that are “round numbers”?

Background I have just been analysing some data where participants attempt to control a dynamic system with integer numeric inputs between 0 and 100. I've noticed that there is a general tendency for ...
11
votes
1answer
346 views

Under what conditions does 60hz video produce visual artifacts?

There are some important thresholds of frame rate in video playback that effect whether or not animation appears fluid. This wikipedia page about Visible Frame Rate suggests that a framerate of 60 ...
11
votes
1answer
91 views

Has an upper-limit on the physical spacing represented by grid cells in Entorhinal cortex been probed?

There is considerable research reporting activity of unit recordings from grid cells in the Entorhinal cortex (e.g. [1]) - typically of rats running around in enclosed spaces. Is there any ...
11
votes
1answer
738 views

What's the relationship between priming and anchoring?

I've recently been dabbling in the behavioral literature, reading about cognitive biases such an anchoring, when one of my friends asked me how this phenomenon differed from the classical cognitive ...
11
votes
2answers
254 views

How can the success of Bayesian models be reconciled with demonstrations of heuristic and biased reasoning?

In recent years, Bayesian models of cognition have been used - with considerable success - to explain human reasoning in a variety of inferential tasks (Chater, Tenenbaum, & Yuille, 2006). These ...
11
votes
1answer
400 views

Sensory Immersion Research?

Sensory deprivation is a relatively common technique for medititation and general consciousness-exploration. However, I'm more interested in sensory immersion. That is, deliberate overstimulation as ...
11
votes
1answer
971 views

432 Hz vs. 440 Hz frequencies: health and psychological effects?

Search for “432 Hz” in YouTube and you’ll find plenty of examples where people have applied a pitch shifter to alter music ranging from a Mozart Requiem to Oasis’ Wonderwall. But some claim that ...
11
votes
1answer
130 views

Have there been any studies which report a positive correlation between eating certain foods and reported sleep disturbances?

This Skeptics question touched on the subject, but I'm more focused on studies that have been conducted under highly controlled circumstances, like a university sleep lab. We've all heard these old ...
11
votes
2answers
188 views

Can the Philosophy thought game “The experience machine” be answered by Positive Psychology?

In Philosophy, a thought game exists called "The experience machine" {1}. In summary, it's a machine you plug into that enables you to always experience positive events, and never negative ones. One ...
11
votes
1answer
370 views

What are the effects of alcohol on muscle memory?

Muscle memory (also referred to as "motor memories") is a form of procedural memory, which is a form of implicit memory. I'm particularly interested in trained tasks like throwing a dart, shooting a ...
11
votes
1answer
244 views

What causes laughter?

I was looking at this video from VSauce: "Why did the chicken cross the road?", where several facts about this old joke are exposed and explained. At some point, (6:59) Michael explains that there is ...
11
votes
1answer
258 views

Is dissociative identity disorder a medical condition or artifact of psychotherapy?

The popular media has offered such examples as "Eve" (based on Chris Costner-Sizemore) and "Sybil" (based on Shirley Ardell Mason) as sufferers of dissociative identity disorder (at one point known as ...
11
votes
1answer
64 views

Are staircases more efficient than the method of constant stimuli?

A Bayesian Quest adaptive procedure (Watson and Pelli 1983) is the theoretically most efficient procedure for estimating thresholds under a certain, potentially unrealistic, set of constraints. In my ...
11
votes
1answer
136 views

Is it actually helpful to write todo lists?

I've watched these two videos recently How to Get things done which contains some tips from David Allen's book, "Getting Things Done", and the other video How to hack your todo list which also ...
11
votes
1answer
621 views

Why do humans like being touched?

I wonder why people like to be touched so much, why would it make sense from a evolutionary perspective. I know people enjoy hugs and company of opposite sex but even people from the same sex hug and ...
11
votes
1answer
218 views

What is the influence of “effort put into pursuing wealth” on happiness?

As presented in the TED talk by Mihaly Csikszentmihalyi (3:30) repeated research has been unable to show a correlation between happiness and level of material wealth (above a certain minimum ...
11
votes
1answer
102 views

Why a person may have a temptation to do something unrelated when doing especially important thing?

I would like to know, why a person may have a temptation to do something unrelated (or slightly related to his current task) when doing particularly important job? Like, when preparing for an ...
11
votes
1answer
142 views

Bias towards purchasing tangible vs virtual goods

People may have very little hesitation in spending $3 on a coffee once a week, but when it comes to buying things online, such as virtual goods or services, they are often much more reluctant. Is ...
11
votes
1answer
161 views

Food sharing and mutual aid among the homeless

Since the time of Peter Kropotkin, it's been observed and theorized that cooperation and mutual aid are more common in austere environments. A classic biological example would be slime mold ...
11
votes
1answer
267 views

Does dopamine signal become stronger when goal distance is defined using time?

Howe et al (2013) found that a dopamine signal becomes stronger as a goal is approached. The experiment involved rats running in a maze. If the rats were close to solving the maze, the dopamine signal ...
10
votes
4answers
3k views

Why is recognition easier than recall?

The main ways of memory retrieval are recognition and recall. Why has it been found that recognition is "easier" to perform, meaning it is usually faster or is more likely to yield an accurate ...
10
votes
6answers
2k views

Where to post online psychology studies for participant recruitment?

A common challenge when running psychological studies is getting enough participants. Of course, there are many general strategies for recruiting participants, but I was specifically interested in ...
10
votes
5answers
331 views

Visual search: complexity of positive vs negative search tasks

Thinking about experiments where participants perform visual search tasks, I remember hearing in a Cog Psych lecture that if the instructions of the task were of the form "find the element that has ...
10
votes
2answers
983 views

What term describes people that cannot feel pain?

I remember a case study about a girl who could not feel pain due to lacking certain somatosensory receptors; she went on to burn herself on a radiator because she could not feel her flesh burning and ...
10
votes
2answers
3k views

How is fasting related to insomnia?

Yesterday I started a new diet using intermittent fasting. For this reason I only ate one meal all day. I was pretty surprised how well I passed that day: I studied a lot, did some sports and ...
10
votes
5answers
161 views

Web-based tools for documenting studies?

I am interested in how open science could be done in psychology. Are there good web-based tools that could house and share a study? When I say "study" I mean: Lab notes from collecting data Raw ...
10
votes
5answers
212 views

Which human instincts do gamification systems appeal to?

As a Stack Exchange user, I spent quite a while thinking about how they managed to trick me into putting so much effort into it. Reputation, badges, etc., are all virtually useless, yet I put great ...
10
votes
4answers
18k views

Why do people laugh in serious situations?

I've seen people (including myself) that laugh for no apparent reason in really serious situations, such as in an argument or when receiving bad news. Although the other party is clearly very upset, ...
10
votes
3answers
417 views

Why are mind maps recommended for study and recap?

In both my last year of high school and my freshmen year at the university, I got strong recommendations to study using mind maps - especially because this is apparently better to cope with large ...
10
votes
3answers
635 views

Neurotransmitter based imaging techniques

All the brain imaging techniques I know fall into two categories: Tracking blood Either by looking at the magnetic (fMRI), or near-infared absorption (diffuse optical imaging, NIRS) properties of ...
10
votes
2answers
1k views

What is the relation between measures, constructs and concepts?

It is uncontroversial to say that the cognitive sciences do not exclusively deal with directly observable phenomena, but nonetheless aim to study the physical causes of behavior and cognition ...
10
votes
2answers
121 views

Who first used the term 'heuristic' in a cognitive science context?

I seem to recall that Herbert Simon borrowed the term from computer science, but I cannot remember the initial paper in which he made use of this borrowing. A google scholar search reveals some ...
10
votes
3answers
22k views

Can sleep become addictive?

Can a person become dependent on sleeping (more than they otherwise physically need) in a way that fits the definition of addiction, in the same way some psychology professionals may describe a person ...
10
votes
2answers
301 views

How does the brain act on the information gained via eye saccades?

I've often heard that the process of saccading can be described as a statistical sampling technique. Specifically, the standard textbook definition of the function of saccades seems to be that the ...
10
votes
2answers
276 views

Bias by which we tend to accept vague descriptions of ourselves

There's an effective strategy employed by horoscopes and "psychics" where they say vague statements like "You like being with friends but you value your time alone"; statements that basically "cover ...
10
votes
2answers
2k views

Public domain scientific intelligence test available for use in research

The IPIP is an example of a public domain scientific personality inventory that can be used for research. Are there any good public domain scientific measures of intelligence? Requirements Do ...
10
votes
3answers
226 views

Can experience alter one's preferences for beauty?

My friend (a woman) is convinced that all men who find those posters of "women scantily clad in their bathing suits or thongs and big breasts (often fake)" attractive are simply brainwashed by ...
10
votes
3answers
248 views

What neural mechanism explains the tendency to visually attend to the whole scene before attending to details?

I have the intuition that human vision first attends to large-scale objects and then small-scale details. Is there any mechanism in the visual cortex that will explain this phenomenon? Is there a ...
10
votes
3answers
2k views

What is the standard way to analyze EEG data in a mismatch negativity paradigm?

I'm running an EEG experiment using a modified auditory mismatch negativity (MMN) design, and I'm wondering if anyone can tell me the best method for data analysis (and recommend any stats ...
10
votes
1answer
196 views

Are there additional animal studies about superstitions?

In one particular case, Skinner decided to go random on his hungry pigeons. He dropped food into the box at completely random times, independent of any behavior on the part of the pigeons. But ...
10
votes
3answers
228 views

Is there a random walk theory that can account for situations with more than two choices?

In the article "Two-stage Dynamic Signal Detection: A Theory of Choice, Decision Time, and Confidence" from 2010 by Pleskac and Busemeyer, a random walk model is presented for situations where a ...
10
votes
3answers
350 views

What is the term for a psychological effect which does not have a neurobiological/genetic basis?

When a psychological condition is the result of irregular brain structures or neurotransmitter imbalances we say the condition has a neurobiological basis; this is analogous to the classic Nature in ...
10
votes
3answers
225 views

Are older people more likely to be politically conservative and why?

J.Campbell suggest that the difference between age groups on being politically conservative is small. But F.Glamsers article concludes: there was a significant positive correlation between age ...
10
votes
3answers
767 views

Is it possible to run multiple thought processes concurrently?

For example, let's say I have a friend sprinting a 50m distance and that friend wants me to time the race, but I don't have a stopwatch so I have to count "manually". Can I count while simultaneously ...
10
votes
4answers
6k views

How to temporarily induce low latent inhibition?

As the Wikipedia article says, High levels of the neurotransmitter dopamine (or its agonists) in the ventral tegmental area of the brain have been shown to decrease latent inhibition. Certain ...
10
votes
2answers
1k views

How long does it take to refocus after context switching?

Context switching has been highlighted for the toll it takes on productivity at great length, particularly by people who work in software and project management. Are there any ...
10
votes
2answers
180 views

How to computationally model the Wisconsin Card Sorting task?

The Wisconsin Card Sorting task is rather famous but appears to be quite difficult to model computationally. I work in RL and I am interested in how people learn the optimal strategy. I'm interested ...
10
votes
3answers
119 views

Do safety features cause drivers to engage in more risky behavior than they otherwise would?

It seems to be generally assumed that making cars safer for the occupants will reduce death, injury, and damage from traffic accidents. What are some examples of significant empirical research on ...
10
votes
4answers
47 views

What are the key algorithms for learning optimal behavior of economic agents?

I'm playing around with social learning of near-optimal behavioral rules on a set of agents. The idea is roughly that given an income process (or technology process, depending on the question) an ...
10
votes
2answers
275 views

What is the support for a global personality factor?

The Big 5 is a popular framework for describing major factors of individual differences in personality. More recently, I've been hearing people talking about the utility of conceptualising personality ...

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