6
votes
3answers
607 views

Analyzing control questions data for a survey

I have an experimental study with a list of demographic and related questions and in order to identify data from participants that were potentially just answering the questions at random (to get ...
5
votes
2answers
463 views

What is the standard error of measurement for teacher made multiple choice tests?

Assume a teacher constructs a four-choice multiple choice test. Each item has only one correct response. The test is scored from 0 to 100 representing the percentage of items answered correctly. I ...
1
vote
3answers
238 views

Is fear rational? [closed]

Let's suppose a big ugly monster thingy wants to eat you. While you're running away from it, you're feeling fear. Can this situation be considered one where fear would be rational?
10
votes
4answers
303 views

Why do people feel the need to make changes to a solution presented by another person?

There is an interesting phenomenon I have come across several times when working with groups, and that is the need some people have to make changes to a solution that someone else created. The ...
5
votes
1answer
120 views

What effects does spending a lot of time in online communities have on interpersonal skills?

There are quite a few users who are pretty much addicted to the Stack Exchange network and spend over 3-4 hours per day here. Time spent here will result in lower amount of social interactions, and ...
2
votes
0answers
203 views

How much information does the somatosensory system produce?

Are there any approximations of how many bits of information human somatosensory system produces? Especially mechano-receptors as measured in average number of bits per area of skin per second? I've ...
3
votes
1answer
123 views

Should fantasy distractors be avoided in multiple choice questions

Is there any reason not to include fantasy distractors (made-up wrong answers) in multiple choice tests. Examples: What is the name of the compound HCl? a) Hydrochloric acid b) Chlorohydride acid ...
5
votes
3answers
308 views

Does associating a color with numbers improve math learning?

I have heard a number of reports that some mathematical savants associate particular colors with numbers. It got me wondering, if colors are associated with numbers during mathematical teaching, ...
3
votes
0answers
105 views

In what order do people notice another person's attributes (race, age, gender, etc.)

I seem to recall reading some research years ago about what people notice in the first second or so of seeing someone else, and in what order they notice those things. It's something like gender, ...
4
votes
1answer
66 views

What is a test called that involves indicating whether a line has the same slope as a previous image?

I would like to know the name of the following test: Participants were asked to memorize the slope of a line of a target image. Then different images (lines with varying slopes) were presented ...
6
votes
1answer
273 views

What are the effects of social rejection on the brain?

What are the effects of social rejection on the brain? If the external circumstance can not change, how can the impact on the brain be reduced? What is the average sensitivity to social rejection ...
9
votes
1answer
133 views

What is the bias/thought process that results in distrust of “formal” knowledge in favor of “folk” knowledge?

An interesting effect I've noticed is that certain groups of people seem to accept "folk knowledge" and value it over significantly better founded "formal" or scientific knowledge. In particular this ...
12
votes
1answer
122 views

Learning of new concepts being impeded by an error in previous work

Note: I'm framing this question in terms of tutoring math since that's what I tutor most, though it applies to a wide range of subject matters. I do a decent amount of tutoring, and this is one ...
2
votes
1answer
112 views

What is it called when a student tends to speak about what he knows?

Sometimes, a student who has a lack of knowledge, tries to change the topic of a question so that it will be about what he knows and can speak about. Is this a known phenomenon in psychology?
2
votes
2answers
97 views

How does knowledge about a subject aid in its recall?

I've experienced it many times with my students and also with myself. Let me illustrate with example: When I'm teaching, I say something like this: Gastrointenstinal Track has following sections ...
7
votes
1answer
90 views

Is there a metric of the overall excitation of the brain or nervous system?

I'm thinking of a way to describe what's happening to a single channel EEG/MEG sensor output. I've noticed that there is significant difference in the readings from a quiet observations, versus a ...
9
votes
1answer
137 views

In C. elegans, which neuron has the largest span, and why is it this large?

The model organism C. elegans is about 1 mm in length. This is quite small. In fact, some C. elegans neurons span >25% of the length of its body (ref.). This observation leads me to the following ...
9
votes
0answers
123 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 ...
2
votes
0answers
69 views

What is the upper bound on rate of learning in young adults?

I was wondering how a normal adult in their 20s could best structure their life to make best use of their capacity to learn. (I am no expert in cognitive science, so I assume just a really common ...
3
votes
0answers
122 views

Test-retest reliability of Iowa gambling task performance and Expectancy Valence Model parameters

I've just been learning about the Expectancy Valence Model of the Iowa Gambling Task (see Busemeyer & Stout, 2002; Yechiam et al 2005). The model includes three parameters: motivation, ...
7
votes
5answers
355 views

Does an exceptional working memory inhibit intelligence?

According to the Fox News article "Chimps Smarter Than Humans in Memory Test" chimps were able to significantly outperform humans in a simple working memory task. I quote one part of the article in ...
5
votes
1answer
154 views

What computerized EEG analysis algorithms are there?

I got a commercial-grade EEG headband and am trying to look at the data it outputs. The headband quantifies raw EEG signal from a single forehead dry sensor into a range of EEG bands (alpha, beta, ...
9
votes
1answer
266 views

Why are most people right handed?

How did right handedness win over left handedness in numbers? Is it only a coincidence that there are more right handed people than left handed ones? Or, has some effect in nature explicitly made ...
5
votes
1answer
159 views

Does empathy extend to animals?

I've read that humans are able to empathize with other humans, to feel as another person does, through mirror neurons. I'm guessing that they're able to empathize with primates too, as they share ...
3
votes
0answers
39 views

Is the eye direction language dependent on the direction of writing?

I've read from various sources about the eye direction language. What is of my special interest now, is: looking right means thinking (about future, new ideas etc.) looking left means remembering ...
2
votes
1answer
190 views

Is acrophobia connected to falling in dreams?

I'm interested in the link between phobias and related nightmares. Specifically, is acrophobia (i.e., irrational fear of heights) connected to falling in dreams?
11
votes
2answers
164 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 ...
4
votes
2answers
751 views

What does hemispatial neglect vision look like?

I need to know more about hemispatial neglect, in order to compose a picture of what it would look like to someone who has this issue. Is there any resources for finding more about their actual ...
3
votes
1answer
396 views

Are there cognitive benefits to two hand typing versus one finger?

I've been reading an old popular psychology book by russian psychiatrist Vladimir Levi. One of the things that he has his depressed patients try is learn to juggle. He insists that such activity ...
3
votes
0answers
73 views

What are the most well-understood vocal animal languages?

There are many examples of animal language that involve vocal pattens or "grammar". For example, there is the the Bee dance, bird songs, whale songs, dogs. Bird vocalization includes both bird calls ...
2
votes
2answers
267 views

How to adjust SSE or RMSE for the number of free parameters in the model?

How do I adjust SSE (sum of squared errors) or RMSE (root-mean-square errors) for the number of free parameters in the model? Is there an "adjusted" RMSD metric similar to the adjusted r-squared ...
6
votes
2answers
177 views

What causes dreamers to accept dreams as reality?

I have long had interest in dreaming, and one of the defining features of ordinary dreams is that the dreamer either accepts the dream as "real life", or does not question the surroundings. Compare ...
3
votes
1answer
124 views

What is the proper term for the synchronization of eye movements?

In humans and most two eyed species, eye movements synchronize so that both eyes are focused on the same point. This facilitates 3D vision significantly, allowing bifocal cues. I remember reading a ...
3
votes
0answers
48 views

How do humans perceive height or vertical drop?

I'm looking at this video: Neil Burgess: How your brain tells you where you are, which discusses neurons within the brain that help people remember where stuff is in relation to other objects. I'm ...
5
votes
3answers
382 views

What is the mechanism behind “gut feelings”?

I'm thinking of a phenomenon that I've first observed in myself when taking an IQ test. Upon looking at the question, I selected an answer, but got this "gut feeling" or a hint that something was ...
4
votes
2answers
398 views

Teaching Problem Solving : Mastering bit by bit Vs Try it all by yourself?

Background: I'm a teacher who trains hundreds of high school students in Math, Physics & Chemistry to crack probably toughest competitive exam in India. I deal with the students who are ...
2
votes
3answers
190 views

Lexical Decision (Web-)App

I want to make a lexical decision experiment, is there any freely available software for this? A Javascript-based webapp would suit me best, as it would run in the browser without the need to install ...
5
votes
2answers
129 views

Do humans mentally discretize numbers?

It seems reasonable to me that humans discretize numbers: this number is bigger than than number, or when faced with a series of numbers that range from 0 - 100, 50 is "middling", 10 is "low" and 90 ...
6
votes
1answer
140 views

Is good short term memory correlated with good long term memory?

Is there any link between one's ability to store information in their short term memory, with their ability to store information in their long term memory?
2
votes
1answer
213 views

What are some examples of emergent abilities?

By emergent ability I mean this: suppose that competently performing ability Z is contingent on, and only on, having skill X and skill Y developed to a certain level (that is, ability Z is a ...
7
votes
1answer
151 views

Psychology of timbre processing

Are there any studies concerning the psychological aspects of timbre processing in the brain, e.g. while listening to music? In particular, can any lower-level correlates be discerned when trying to ...
3
votes
1answer
266 views

Dyslexia and IQ

Background Information of my questions: At the age of eight I was "diagnosed" with Dyslexia, I am now 47. I went from not being able to read and barely able to write to a college reading level in 9 ...
3
votes
0answers
69 views

Why do we seem to have an internal drive to use different expressions(mostly when writing)?

How come we have so many words/phrases that share the same meaning? I suppose the most obvious answer to this would be that through communication between people with accent/language A and B, new ...
10
votes
1answer
144 views

Predicting how long a task will take

As a software engineer I have always struggled with predicting how long a project would take by underestimating and I have noticed that all of my colleagues have the same problem. In this video at ...
4
votes
4answers
443 views

What is the fastest language to think in?

If you think in any language you're never misstaken on what word you mean even if there are many words that are spelled/pronounced the same. This causes a language with only one word meaning every ...
2
votes
1answer
68 views

Is there sub-conscious error correction in interpreting heard language?

My personal experience suggests there is a background process taking place when interpreting a partially heard utterance. The sound is taken in, the conscious part of my mind begins the process of ...
6
votes
2answers
145 views

What is the sleep study that showed that a percentage of humans have a biological clock that is ~28 hours or greater?

There was an article published some years ago about a sleep study (I think from Germany) that showed about 10-20% of people (European's I think) are genetically predisposed to function on a 30-hour* ...
5
votes
1answer
232 views

Is there a lot of redundancy in written and spoken language?

I read years ago in a pop science book that written and spoken language can be shown to have a high level of redundancy. The speculation was that this served to allow error correction because language ...
7
votes
2answers
466 views

Are ambidextrous people better at multitasking?

I'm strongly 'one-handed' in that I can barely even write with my left hand. My wife is fairly ambidextrous, in that she's by default left-handed, but can also write with her right hand. I've ...
4
votes
1answer
87 views

Does the Hodgkin-Huxley Model take into account the action of the ion pumps (e.g., Na-K-ATPase)?

After the firing of a neuron, the sodium and potassium concentration differences vanish. It requires some time for cell to actively transport the ions in and out to re-establish the balance. Does ...

15 30 50 per page