8
votes
3answers
481 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 ...
7
votes
1answer
180 views

Appropriate metric(s) for quantifying the accuracy gain obtained from averaging dyads of estimates instead of adopting individual estimates?

Background The question relates to research I am doing into the Wisdom of Crowds effect (Galton, 1907; Page, 2007; Surowiecki, 2004), in which an average of the estimates made by individuals proves ...
20
votes
2answers
520 views

Performance of a group solving a cognitive task: How does it scale?

Some intellectual, cognitive and perceptual tasks can be solved collaboratively. It is common knowledge that group performance is better than that of each single individual due to exchange of ...
2
votes
2answers
140 views

What is the study with the dual-task experiment that involved a colour-wheel change detection task?

This may be a long-shot, but I'm looking for a paper that I vaguely remember reading a few years ago. Unfortunately I can't remember many details about the paper or its content, and thus my multiple ...
4
votes
1answer
178 views

Physiological differences between brains of Conservatives and Liberals

I work for a non-profit research organization and I have been assigned to do research on this topic. I have been doing my best to find studies on this topic but every website and article seems to ...
9
votes
1answer
283 views

Are there sex differences in inter-rater consistency of attractiveness ratings of opposite-sex faces?

Is there any research that assesses whether males or females judge faces of the opposite sex with a greater internal consistency? That is, is the standard deviation of attraction ratings for a ...
7
votes
1answer
2k views

Do we recognize ourselves better when we see our mirror image?

A friend of mine recently noticed that we both have a birthmark on the face. He looked at me and said that we have exactly the same mark. But he has it left and I right. But, when looking in a mirror, ...
2
votes
1answer
222 views

What is the correlation between feeling superior and well-being?

I have noticed in myself and others, when people perceive themselves as "better off" than the majority of others (e.g., smarter, better looking, higher social status, better brain function, more ...
7
votes
1answer
305 views

Does completing a thesis make you a better practicing psychologist?

I am a strong believer in the importance of the scientist-practitioner model for psychology. I think that training in the scientific method is a major component of what makes a person trained in ...
6
votes
1answer
230 views

Measuring changes in hemispheric dominance over time

I've recently started using my trackball left-handed after being right-handed my whole life. The motivation is partly to balance out wrist strain, and partly to see how much my brain rejects the idea. ...
13
votes
1answer
299 views

What are the minimal requirements for successful gamification?

I am very interested in the concept of Gamification, the idea (used here on Stack Exchange) that by making mundane tasks into a game, you can elicit desired behavior from users of software. (For ...
8
votes
2answers
326 views

Can mental exhaustion be measured?

I asked this question a long while ago, but I never got an answer to whether mental exhaustion can be measured. If mental exhaustion could be measured, it would mean that I would have a way of knowing ...
2
votes
3answers
485 views

Is this optical illusion the visual equivalent of binaural beats?

The optical motional illusion shown below, makes your brain see some motion, where there is none. In my opinion it's fascinating, although after a while you get a headache. It reminds me of ...
4
votes
1answer
123 views

What neurobiological changes are associated with the end of the critical period in children?

Developing children are in a critical period during which they are much better at learning certain tasks like speaking a language. After the critical period ends, children have a qualitatively more ...
9
votes
1answer
206 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 ...
9
votes
0answers
119 views

Where does the distinction between motives and goals lie in activity theory?

Activity has an hierarchical structure, and can be analyzed at different levels: activities, actions and operations. (Leontiev 1974) (source: interaction-design.org) The top level is activity ...
6
votes
2answers
199 views

What is the relationship between self-perceptions and actual driving ability?

I've often heard it said that almost everyone thinks that they are a better than average driver. If this is true, it could be explained by a number of theories. Some of these are outlined in this ...
4
votes
1answer
332 views

Can one “understand” emotions, yet not “feel” them?

Prometheus Viral Clip #3 - David is a good clip of a fictional character in a science-fiction movie that helps frame my question; but I am interested in the general question, not the specifics of this ...
3
votes
1answer
118 views

How to obtain Fritz Perls' Eye Witness to Therapy film?

I am reading Fritz Perls' book called "Eye Witness to Therapy" which contains film transcipts that Perls thought would be useful to learn Gestalt therapy. For me it is a very deep and interesting ...
22
votes
3answers
302 views

Why does the human visual system produce a bright patch after staring at a bright light source and looking away?

If a person looks at a bright light source, such as a light bulb or perhaps the sun for a period of time, and then looks away and closes their eyes, they typically see a bright patch in the shape of ...
11
votes
2answers
162 views

Perception of probability of being right

The probability that people percept may be different from the real one due to a number of factors, including the form in which their are presented, their context and biases (due to misinformation or ...
7
votes
0answers
56 views

What salient features of a {conditioned stimulus,unconditioned stimulus} pair are represented in the lateral amygdala?

In classical conditioning, a conditioned stimulus (CS, e.g., a tone) is presented just before an unconditioned stimulus (UCS, e.g., a mild toe pinch) in repeated trials, such that the CS will ...
27
votes
4answers
1k views

Is The magical number 7 still valid?

George A. Miller published "The Magical Number Seven, Plus or Minus Two: Some Limits on Our Capacity for Processing Information" in 1956 and is one of the most highly cited papers in psychology. It ...
7
votes
4answers
178 views

Why is it easier to remember the correct response for problems with many options rather than just two?

Sometimes it seems easier, at least for me, to remember an answer, when there are more than 2 options to choose from. For example, I easily remember my pin (14 bit), but hardly the lighter switch (up ...
14
votes
0answers
297 views

Evolutionary game theory in the cognitive sciences

Game theory models something very relevant to psychologists (in particular social psychologists): conflict and cooperation between decision-makers. Unfortunately, classical game theory demands that ...
7
votes
1answer
80 views

What is the correlation between objective indexes and aggregated self-report measures of life satisfaction?

The Better Life Index and other indices seek to overcome the limitations of GDP in assessing social progress. They provide a composite score with which to rank nations on a range of indicators such as ...
6
votes
1answer
84 views

Whether to ask satisfaction and importance questions for each item in a survey?

Job satisfaction and opinion surveys ask respondents to provide ratings on a set of items. One response scale might be a five point rating scale measuring satisfaction (e.g., 5-point strongly ...
8
votes
1answer
493 views

How do responses to Likert type response scales vary across countries and cultures?

I gave an answer here on stats.stackexchange.com about how to analyse ordinal items, such as those on Likert type response scales (e.g., Strongly disagree to Strongly agree). Someone asked whether ...
16
votes
2answers
778 views

Are spaced flashcards effective for learning?

Several apps and sites offer flashcard-based learning that repeat the cards you do poorly on over a period of time (the more inaccurate the answer the closer to each other the repetitions are). One ...
3
votes
1answer
190 views

The feeling a person gets when they finish a series

Take for example, a person reading a good book series that they enjoy. While they are reading it, they typically look forward to finishing each volume, as well as the whole series. However, when they ...
5
votes
1answer
330 views

What science or psychology is behind the Landmark Forum's coursework?

The Landmark Forum is a self-help seminar focusing on helping individuals to make positive changes in their lives by chaing their point of view and using logic to break down emotions to change the way ...
7
votes
1answer
2k views

Are IQ tests “biased” against individuals with Asperger's Syndrome?

One person makes the claim over at his response to the Quora question Do people with Asperger's have above-average IQs simply because the ones with below-average IQs simply get diagnosed with autism ...
8
votes
1answer
157 views

Does having a sense of purpose increase longevity?

There is evidence that people who retire early tend to die earlier than people who do not. One interpretation of this finding is that having a sense of purpose improves psychological health and that ...
7
votes
2answers
218 views

Study on commitment and follow-through

I'm faced with a UX problem of looking for ways to position a website to increase attendance at future "real world" events, and I'm remembering a study once conducted along these lines (details a bit ...
6
votes
1answer
155 views

What causes systematic under- or over-estimation of general knowledge quantities?

What psychological theories predict whether individuals will underestimate or overestimate when responding to particular kinds of general knowledge quantity questions? For instance, I have seen an ...
6
votes
1answer
164 views

Savant syndrome and Cognitive bias

Take the case of an autistic savant with exceptional memory skills. Is this person less prone to cognitive biases involving memory skills such as availability heuristic bias than a normal person due ...
10
votes
5answers
316 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 ...
4
votes
2answers
442 views

Do people with ADD or Asperger's Syndrome often show different learning curves than neurotypical individuals?

There's some interesting discussion at this Wrong Planet thread Specifically, I was wondering whether people with ADD or Asperger's Syndrome are more likely to show a logistic pattern in their ...
6
votes
1answer
199 views

Face-Blindness: Have I seen you before?

Sometimes when I meet new people, I feel like I have seen them before. Their faces might look similar to people's faces, I have really have met before. The wiki article on Difficulties with Facial ...
16
votes
1answer
546 views

Subconscious vs Unconscious

From what I know, we use the term 'subconscious' to refer to the things that we can bring into our conscious. and, we use the term 'unconscious' for things that we can't know, they come automatically ...
13
votes
4answers
506 views

Do people have a tendency to stick to one opinion after they formed it?

Scytale's assessment, from the science fiction novel "Dune Messiah" (1969) When a creature has developed into one thing, he will choose death rather than change into his opposite. While ...
4
votes
1answer
66 views

Are there any applications of choice modelling to romantic relationships?

Background: I was at a talk today where the presenter discussed a study that involved a administering a couple of questions asking participants which of two people they would prefer as a relationship ...
2
votes
1answer
160 views

What do within-subjects studies of job applicant personality test faking say about the covariance between developmental and job applicant scores?

Some studies of faking personality tests in selection and recruitment have used a within-subject design. These studies involve administering a personality test in two conditions. One condition is ...
9
votes
1answer
543 views

Are there emotions that only some people can feel?

Presumably, there are emotions that almost any person can feel, such as happiness, sadness, guilt, and embarrassment. But are there emotions that only a small fraction of the population can feel? ...
3
votes
1answer
121 views

What was his name again…ahh got it!

You all know the situation described in the title. You forgot something and start to search your memory and then after quite a while it jumps right in front of you, out of nowhere. My questions are: ...
7
votes
2answers
215 views

What's the name of this visual search task?

I recall a visual search task where participants would search for a single item with either one or two distinct features. For example one would look for an X in a set of Os as "one feature" or instead ...
3
votes
2answers
52 views

What article reported variability in supporting hypotheses across disciplines?

I recently read a blog post talking about a journal article that compared the degree to which journal articles support their hypothesis. A comparison was done across disciplines, and if I recall, ...
4
votes
1answer
113 views

What is the term for judging based on a simulation of the same parameters on oneself

Allow me to outline the observed process and three hypothetical examples below. For the sake of keeping the samples simple, I will ignore prior moral or religious convictions that a regular person ...
9
votes
3answers
604 views

Simulate colorblindness in non-colorblind individuals

Is there any way by which individuals with normal color vision could "see" the effects of Deuteranopia or any of the common colorblindness types, say by using special lenses or anything? Color ...
5
votes
1answer
129 views

Can learning styles be changed?

Fleming's model of learning suggests 3 types of learners : Visual: Learns by visually taking screenshots of data or by remembering pictures/scenes etc. Auditory: Learns by hearing; can be by hearing ...

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