10
votes
3answers
136 views

Images on personal computers - Which aspect of size to keep constant?

For various reasons we're doing a reaction time study involving images that runs on unstandardized equipment: patients' personal computers (unless they don't meet certain requirements). It's not about ...
4
votes
0answers
55 views

Why does speaking disrupt rhythm?

I've noticed that while playing rhythm games--games where I must press buttons precisely in step with a musical accompaniment--I can either play or I can talk. If start talking, I'll almost ...
3
votes
1answer
76 views

Are cortisol measures more reliable than self-reported fear measures for looking at difference scores?

I was sent an email by a researcher with the following question: You wrote that difference scores are okay to use if measurement error is minimised. Does that imply that biological ...
9
votes
1answer
128 views

Can we draw conclusions about content of thoughts from neural firing patterns?

Can the neural firing patterns of animals be associated with specific kinds of thoughts? (ie Thoughts related to food, mating, or neighborly aggression?) I am curious about the speculations in ...
10
votes
3answers
19k 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 ...
12
votes
1answer
101 views

How does displaying existing votes to a poll influence subsequent voting behaviour?

Some polls involve a question where the existing votes received for each response option are displayed. I have heard that on such polls the existing votes influence the answers provided by subsequent ...
4
votes
1answer
65 views

What was the experiment where a person is given something and then has to share it with another person

Bob is given a bar of chocolate by the experimenter. Then he is to propose how he will share the chocolate with Emilly. If Emilly agrees with Bob's proposal, the kids will each get their share. If ...
-1
votes
1answer
101 views

Is there a name for the tendency to use proper nouns often in conversation? [closed]

I think it may happen with people who have lack of confidence, for example shy people. So in conversation they often add proper nouns (eg. names of persons or countries) to give "evidence" and weight ...
1
vote
0answers
37 views

Are “diagnostic” senses/feelings for brain study possible?

Modern science has quite an array of methods trying to localize and analyze brain activity, trying to get down to individual neurons firing: EEG, fMRI, CT, etc. This requires very expensive machines ...
5
votes
2answers
561 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 ...
7
votes
1answer
131 views

Any attempts at testing or modeling the 'cognitive conception' of language?

For those unfamiliar, the 'cognitive conception of language' refers to a claim made by some theorists that, in the words of Carruthers: "besides its obvious communicative functions, language also ...
2
votes
1answer
191 views

Which branch of psychology deals with decision making under stress?

Our decisions are usually based on a system of perspectives, which in turn are based on one's own set of values. However there are traumatizing situations where this system of perspectives is turned ...
5
votes
4answers
729 views

How to explain emoticons to an autistic person?

I am currently chatting in an IRC and there is one girl (i think she's about 18 years old) and she has Asperger syndrome and therefore is unable to understand countenance and feelings. She told me ...
5
votes
1answer
129 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 ...
3
votes
1answer
2k views

How to compute Chi-square value and degrees of freedom in Excel?

I am trying to understand the statistical test of the chi-square in Excel. I already made the test but I still don't know how to compute the χ² value and what it means, how to compute the degrees of ...
4
votes
1answer
254 views

Is StackExchange.com Addiction Dangerous?

I recently looked at the meta.math.stackexchange.com and found the second anniversary was celebrated. As in the last year's Happy-Birthday post (linked therein) , some people declared the addiction to ...
3
votes
2answers
793 views

What factors influence a person's perceived expertise?

For example, some people believe they are excellent human lie detectors. But, research shows that the average person is only able to detect deception about 54% of the time. What techniques could be ...
5
votes
2answers
713 views

Is variation in human brain size related to mental functioning?

It seems that the head size of human beings has evolved to be relatively similar, yet there is still some amount of variation. While I'm sure the correlation is not absolute, I read that larger heads ...
3
votes
0answers
110 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, ...
6
votes
3answers
319 views

How can one find out if he/she is brainwashed?

By brainwashed I mean indoctrinated with some political, religious or other type of propaganda. I assume that you can't be aware of this, because the lack of that awareness is the point of propaganda ...
1
vote
3answers
284 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?
3
votes
1answer
128 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 ...
2
votes
0answers
207 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 ...
9
votes
1answer
142 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 ...
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 ...
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 ...
9
votes
1answer
272 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 ...
4
votes
3answers
171 views

How much information is lost when conveying an experience or emotion to another person?

Certain languages have words that do not literally translate into any another language. There is already a small loss of information in this sense. Emotions are a personal experience and the ...
2
votes
0answers
71 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 ...
13
votes
2answers
866 views
3
votes
0answers
148 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, ...
5
votes
2answers
130 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
187 views

Bayesian models of faking in selection and recruitment settings

I'm doing some research looking at applying Bayesian models to faking personality tests in selection and recruitment. I'm interested to know: What existing work has applied Bayesian models to ...
2
votes
2answers
327 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 ...
10
votes
1answer
147 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 ...
5
votes
2answers
438 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 ...
5
votes
1answer
183 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
41 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 ...
5
votes
1answer
493 views

What positive writing exercises improve happiness?

Writing seems like a perfect medium for expressing ones problems but can it also be used to improve happiness somehow? Maybe through some sort of creative writing exercises that focus on positive ...
5
votes
2answers
138 views

What is the longer term prognosis for women in their early 20's with Schizoaffective disorder?

I am asking as I have this condition and I am hoping to gather more data about my particular demographic, in order to give me a better idea as to what they are doing, as well to lead me to how those ...
5
votes
3answers
432 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 ...
2
votes
1answer
223 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?
3
votes
1answer
499 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 ...
4
votes
2answers
781 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 ...
5
votes
1answer
96 views

Validity of regression therapy and degree of acceptance of the subject within the psychology community

I had a debate with my friend on regression therapy as he feels it is an accepted method to discover a person's past life & his memories. I find it completely unacceptable to my sense. What ...
7
votes
3answers
2k views

How do songs trigger memories associated with previous experiences of listening to the song?

Background: If I like a particular song, I listen to it while doing other things until I get sick of that song. This creates an extremely strong bond between the two things: the song and the activity. ...
4
votes
1answer
326 views

What happens in your brain when a concept “clicks”?

What happens in your mind when the "lightbulb goes off", or a concept "clicks" for you? Why is there such a threshold for human understanding? Existing searches: I've searched a good amount for it. ...
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 ...
6
votes
2answers
185 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 ...
7
votes
1answer
188 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 ...

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