3
votes
2answers
86 views

Extending a 5 point ordinal scale to 9 points while maintaining comparability

We have a lot of data regarding a 5 point ordinal scale with descriptors for each point like 'very little' to 'very much'. I am worried that this scale will show insufficient variance in a further ...
6
votes
2answers
2k views

What free scientific measures of Big 5 personality are available?

I'm aware of a few freely available scientific measures of Big 5 personality. IPIP: Ten Item Personality Inventory (TIPI) Questions: What other free scientific Big 5 personality tests are ...
1
vote
1answer
779 views

Licensing when using the NEO-FFI instrument

I would like to use the NEO-FFI instrument to measure the Big 5 psychological traits. Is a license needed? Are there any open, free, or public domain Big 5 tests that can be used for no (or ...
1
vote
1answer
39 views

What is the current state of knowledge on the roles and mechanisms of top-down information flow in the brain?

I have heard that "90% of information flow in the brain (or maybe it was just the visual cortex) is top-down". I'm not sure if this claim is substantiated, but I do get the impression that there is ...
4
votes
1answer
320 views

Why do humans/primates laugh/smile when they are happy, and not cry?

This might sound funny. But I have been wondering why do humans/primates laugh or smile when they are happy or find something funny? Why don't they cry when they are happy and laugh/*smile* when they ...
8
votes
2answers
107 views

Does not consistently providing a reward strengthen operant conditioning?

When learning about Operant Conditioning, I remember being taught that not consistently rewarding the desired behavior could (seemingly counterintuitively) actually increase the strength of learning ...
5
votes
2answers
112 views

Sensitivity of human eye to luminance

I heard once that the human eye has a logarithmic scale for luminance, e.g. to "feel" that a surface is three times as luminous compared to another, the former emits a light 8 times more powerful than ...
6
votes
2answers
235 views

Why does a person get obsessive for those who don't take interest in him?

Why does a person get obsessive, Specially towards those who don't accept his love or attraction towards them? Self esteem has such an impact on human life that he wants to preserve his esteem in any ...
5
votes
1answer
58 views

What is it about our brain that breaks when we hear ourselves with a delay?

If you've ever heard an echo of yourself on phone or video chat, you've probably noticed the phenomenon that you completely forget what you were talking about when you hear yourself talking. Have ...
3
votes
1answer
73 views

Definitions of consciousness

It seems to me that many people know for themselves some extraordinary things about consciousness but rare are the people that can provide a definition of it. I have never met two people providing the ...
6
votes
2answers
219 views

Can an individual having strong identity associations with groups be used to infer anything about them?

I've been reading a few articles and papers about individuals identifying with groups and their behaviors and attitudes, however I haven't yet found an answer to one of the questions that I was trying ...
0
votes
2answers
99 views

How to make diagnosis of these symptoms using Pet scan, fMRI, and EEG?

The symptoms are muscle weakness, slow reaction time, visual perception issues, seizures, hearing loss, weight gain, general sense of pain and delusions. Using the above scanning techniques, a doctor ...
4
votes
2answers
99 views

Is there any (free) program that allows the recording of text input and the speed of input?

I am planning to run a study where participants will been shown questions on a computer monitor and their task is to type their responses in a text box as quickly as they can. Their input and input ...
4
votes
1answer
39 views

How is attention involved with the performance drop associated with multi-tasking?

Multi-tasking lowers productivity. What influences on attention cause the productivity of a multi-tasking person to be low? An example of multi-tasking is that a person is working on his assignment ...
3
votes
2answers
109 views

Does a person experience release of dopamine while doing something she/he enjoys?

I am wondering if a person would experience an increase in the level of dopamine while doing something she/he enjoys such as playing guitar or reading a book. And what are some other neurotransmitter ...
13
votes
2answers
510 views

Does intelligence cause greater alcohol consumption?

I just stumbled on a blog post that asserts that more intelligent people drink more than less intelligent people. The author writes: Controlling for a large number of demographic variables, such ...
2
votes
3answers
90 views

Does stopping hard tasks midway through negatively affect your chances of success?

When a person has embarked on an undertaking that is both unpleasant and important (a good example could be a 12 step drug treatment program), lets say they make progress, and then stall before ...
3
votes
1answer
204 views

Is the price of higher intelligence and more complex behaviours more mental illness?

"Our work shows that the price of higher intelligence and more complex behaviours is more mental illness." -Professor Seth Grant Professor of Molecular Neuroscience, University of Edinburgh ...
4
votes
1answer
171 views

Can working memory actually be improved?

I'm skeptical of the claim that brain training (dual-n back) can improve working memory; the improvement seems to be task-specific rather than generalize. The average human being can only keep 7 ...
4
votes
1answer
84 views

What is the lifetime of the synapse in the mature brain?

I know there is synaptic plasticity in the mature brain. There is a great number of plasticity mechanisms like LTD and LTP, acting on different time scales. Apart from the synaptic weight change, ...
1
vote
3answers
77 views

Is handwriting style heritable?

My daughter (11), wife, and mother in-law all have extremely similar handwriting. Why is this? Is handwriting a inheritable trait?
1
vote
2answers
749 views

Fear of things that look like or resemble humans

I remember reading this a while back. To be clear, I'm not talking about a phobia such as Automatonophobia (Fear of inanimate objects that resemble humans, such as dolls) or Pediophobia (Fear of ...
1
vote
2answers
110 views

What causes students not to be interested in problem solving?

Sometimes students lack the drive for problem solving. One might say that they are bored. However, is there a scientific account on what causes ignorance of problem solving, when they simply are not ...
1
vote
2answers
139 views

Mulitiple partners: macho man vs. easy woman?

I sometimes hear from my friends that a man who has many female sexual partners is regarded as macho. But on the other hand, a woman with a lot of one-night stands is thought to be easy and desperate ...
4
votes
1answer
157 views

What maladaptive behaviours or cognitive distortions develop as a result of chronic childhood illness?

It's fairly well documented that childhood trauma (such as chronic illness) can lay the neurochemical groundwork for conditions like depression later in life. A paper, "The link between childhood ...
0
votes
1answer
172 views

How many calories do we burn when we try to understand mathematical proofs?

While thinking we burn calories. For comparison: "And if it’s the right wood and the right chess grand masters in the middle of a tournament, they are going through 6,000 to 7,000 calories a day ...
8
votes
1answer
52 views

What decision problems are better answered with analytic thinking, and what are better answered with intuition?

Most Western philosophy and psychology argue that deliberating carefully and rationally is the right way of reaching a decision. "Don't let emotions turn you" they might say. The splitting of the mind ...
3
votes
1answer
62 views

Can bipolar develop in childhood?

Is it possible to develop bipolar in childhood? Does the same diagnostic criteria for bipolar in adults apply for children? In response to the comments under this question: Borderline Personality ...
0
votes
1answer
317 views

What's the percentage of people that are mental calculator prodigies?

I want to reply to this comment: What's the percentage of people that are mental calculator prodigies? How do they spread over the different parts of the world?
6
votes
1answer
210 views

What triggers people to do competitive activities?

From my past I have seen some people who like to compete in games and try to be first(by games I mean all kind of games or hobbies such as video-games, sports etc. in which competition is included). I ...
0
votes
2answers
54 views

Does procrastination imply knowledge of what is being delayed?

When someone says he is procrastinating, does that imply that he knows which exact action is better than the action that he is currently doing? Is it called procrastination when you know that your ...
-1
votes
2answers
5k views

Women in red-lipstick/darker shades?

Can an observer of women in red lipstick or more darker shades interpret anything related to their psychology?
0
votes
1answer
100 views
8
votes
1answer
97 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 ...
3
votes
3answers
143 views

What is a scientifically plausible method by which people might in the future be able to read minds? [closed]

I am writing a book. It will be post-apocalyptic, and the apocalypse I'm thinking of will involve people being able to read each other's mind. Can any of you give me a slightly plausible reason that ...
2
votes
2answers
1k views

Why does society interpret “manliness” differently?

If, by definition, manliness is "the traditional male quality of being brave and strong," why does most of society perceive it differently? For example, a person who watches My Little Pony and is not ...
1
vote
2answers
126 views

How can machine possibly possess consciousness if computation is a human idea?

I feel this question may be closed as non-constructive, but I'll give it a try. Suppose a computer simulates a human brain so it passes Turing test. Suppose this brain is given visual, audio and ...
3
votes
1answer
712 views

Frequency of schizophrenia symptoms related to mass surveillance?

Recently, mass surveillance by organisations like the NSA has become both more prevalent and more known to the public. Has the frequency of schizophrenia symptoms concerning mass surveillance (eg. ...
-1
votes
1answer
61 views

Build model to explain data [closed]

I'm not a psychology student, but I'm doing a subjective experiment which is similar to magnitude estimation: simply measure the effect of different stimulus through a number from 1-10. Now I need to ...
0
votes
1answer
311 views

Why do people blame others rather than take responsibility?

In business classes we are told to be responsible and take responsibility for our action. Get mugged? Well, lock your door next time. That sort of thing. But that's not how most humans behave. Humans ...
12
votes
3answers
224 views

Can we be conscious of our dreams?

During the day time, we are conscious of our surroundings and the brain does its work. During sleep, we are not conscious. We have dreams. But the brain continues to function. After we awake ...
3
votes
2answers
86 views

Why is “breaking a car” considered a sort of therapy?

I've heard this several times. People breaks things to feel more relaxed, less depressed or is there some other reason? What do you call this effect?
1
vote
2answers
63 views

Is there some effect that forces humans to judge things and people according to the conception of their own image?

I remember of having read that such effects do exist, but I don't remember where. If that is true or if the hypothesis exist, I'd like to have references about it.
5
votes
1answer
175 views

Computational model of biological object recognition

The human brain can achieve a remarkable ability to recognize visual patterns in an Invariant, selective and fast manner. The human visual system is quite powerful. It has an exquisite selectivity ...
1
vote
3answers
2k views

What is this method used in the “it's not your fault” segment of Good Will Hunting and why does it work?

I mean the "it's not your fault" part at the end of this movie segment. Could anybody explain this method and why it works? What happens if the psychologist didn't get any reaction (like crying) ...
12
votes
1answer
213 views

How does the brain calculate velocity?

How does the human brain calculate velocities? For example, when crossing a road and seeing a car coming towards you, how does the brain actually compute the rough velocity of the vehicle and your own ...
2
votes
1answer
44 views

What would be the result if a color-sound synesthete were to go color blind due to diabetes?

Color blindness may be caused by diabetes. Would a color-sound synesthete lose her/his ability to hear two different tones when he/she is watching, let's say, magnets: ?
4
votes
1answer
210 views

What causes some women to have repeated abortions?

Fisher et al. (2005) studied the characteristics of women who have repeated abortions. The study was conducted in countries where reliable contraception and education about birth control are readily ...
6
votes
2answers
174 views

Is tasting something you see a form of synesthesia?

Synesthesia is often stated as "a confusion of the senses" and some of the more common forms include "seeing sounds" or associating letters or numbers with colors. There is also a very rare form of ...
5
votes
1answer
231 views

Are there any free databases of audio-visual emotional stimuli (English)?

I am particularly interested in naturalistic and induced emotional content. I have found the SAVEE, the HUMAINE and the SEMAINE databases. I have read through the Terms for LDC (UPenn) and it seems ...

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