1
vote
1answer
138 views

How many bits of data would it take to represent an entire life as a film?

Imagine your life as a film. Add all the stuff you know. Is it possible to express this amount of data in bits? (A rough order of magnitude would be ok.) See also: Partitions and Savants:
4
votes
1answer
43 views

Is it reasonable to have a factor with only two levels in a carry-over design for an fMRI study?

I'm planning a carry-over design for an fMRI study. To save time, since it seems that I'll need a huge number of trials for my purpose, I'm wondering if it's reasonable to have a matrix 2x3x3, ...
7
votes
1answer
242 views

For depression diagnoses, does one make a clear distinction between endogenous and exogenous causes of depression?

Roughly speaking, we might imagine that people have depression predominantly for one of two reasons: Endogenously induced: The person has some inherent inballance between different ...
-3
votes
1answer
704 views

What test can be used to measure memory? [closed]

We want to have a test to determine the status of a person's memory. For example, a good test might consist of multtiple choice questions and take 5 - 10 minutes. The end result would be a summary ...
8
votes
1answer
127 views

Method for evaluating how emotionally evocative a question is?

I would like to measure the change in emotional state in response to a question. For example, asking the question, "What is your favorite color?" would be fairly benign; I would not expect any change ...
5
votes
1answer
2k views

Why does a stuffed up nose clear up momentarily when the person having it is startled or has an orgasm?

I have experienced this phenomena many, many times and I'm sure it's not only me. I guess the sudden rise in arousal opens up the nostrils in a kind of fight or flight response, but I'm interested in ...
3
votes
1answer
553 views

When counting a given letter in sentences, why do people tend to omit occurrences in certain common words?

I have noticed that when I, and presumably others, count the number of times the letter F appears in the following passage: ...
5
votes
1answer
124 views

Inferring relationships between psychological variables in clinical samples and issues in generalisation

Context I sometimes speak to researchers studying the relationship between variables in clinical psychology samples. A typical example is as follows: 100 patients with diagnosed depression many ...
7
votes
0answers
44 views

What is the correlation between self and other ratings of goal orientation?

In educational psychology goal orientation is a popular construct. In particular popular dimensions of goal orientation include performance-approach, performance-avoidance, and mastery. The studies ...
5
votes
1answer
380 views

What is the reliability of GPA?

I'm in the process of performing a meta-analysis that includes Grade Point Average (GPA) as one of the variables. For some purposes, it might be useful to have an estimate of the reliability of ...
8
votes
2answers
143 views

What cognitive strategies diminish bias in decision-making beyond those outlined by Larrick?

Larrick (2004; pdf) offers a small number of suggestions for strategies to diminish bias in decision making, which he breaks down into four categories. "Consider the opposite". Tell decision-makers ...
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
521 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
223 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
231 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
300 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
329 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
490 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
333 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
119 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
305 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
298 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
494 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
786 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
331 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
156 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
317 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
445 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 ...

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