# All Questions

2answers
1k views

### Public domain scientific intelligence test available for use in research

The IPIP is an example of a public domain scientific personality inventory that can be used for research. Are there any good public domain scientific measures of intelligence? Requirements Do ...
5answers
2k views

### What is the current “accepted” science behind dream interpretation?

I'm doing some casual reading about dream interpretation (meaning I'm reading the wikipedia entry) and the article mentions that there are several ways of thinking about dreams from a psychological ...
3answers
6k views

### Positive and negative reinforcement and punishment effectiveness

According to Skinner, positive reinforcement is superior to punishment in altering behavior. As Skinner discussed, positive reinforcement is superior to punishment in altering behavior. He ...
2answers
583 views

### Is there an R implementation of the linear ballistic accumulator model or Ratcliff's diffusion model for measuring response time and accuracy?

I am looking for an implementation of the linear ballistic accumulator model or Ratcliff's diffusion model (e.g. in R, MATLAB, or Python).
0answers
239 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 ...
4answers
575 views

### If someone becomes a split-brain patient, which side will “maintain” the continuity in their consciousness?

The brain injury might apparently produce two "independent" consciousnesses, and I'm wondering where the original person's "consciousness" would "transfer". We had a debate on this over at Reddit ...
2answers
455 views

### Biological plausibility of bayesian models of cognition

Inspired by this question: What are drawbacks to probabilistic models of cognition? I would like to know more about the biological plausibility of Bayesian models of cognition. Is there any neural ...
2answers
2k views

### How to reliably measure working memory capacity?

The capacity of human working memory is subject to individual differences. The number of items or chunks a person can retain in their memory may, have profound effects on a variety of other cognitive ...
2answers
489 views

### Does any evidence show that Smartphone users have poorer memory?

An ages old complaint is that new technology harms memory. Why remember something when you can look it up? In a course on Human Memory I distinctly recall an interesting discussion on phones and ...
1answer
163 views

### At what point does a complex become pathological?

I've a first question so I apologize if the format is completely awry. I'm reading Meeting the Shadow: The Hidden Power of the Dark Side of Human Nature and I came across this passage by Edward C. ...
1answer
452 views

### What form might Jungian archetypes take in the brain?

Modern psychology and psychiatry are very well grounded in scientific principles. Both, however, have a history in various analytical philosophies. Jung had the notion of an archetype, a universally ...
2answers
530 views

### Does the fusiform face area in patients with Prosopagnosia (face blindness) show lower activity under an fMRI?

I watched last night's episode of 60 minutes about Prosopagnosia (Face Blindness) and found it absolutely fascinating. They mentioned in the segment (Around 5:22 into the second part of the online ...
2answers
664 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 ...
2answers
213 views

### Do measures of Big 5 personality have a positive bias towards extraverted, conscientious, emotionally stable, ageeable and open individuals?

Background: One free measures of the Big 5 is the IPIP. I have noticed that IPIP items seem to have a positive bias towards items loading on the extraversion (EX), emotional stability (ES), ...
2answers
233 views

### Will Our Brain Speed Reduce As Our Memory “Mail Boxes” Fill Up?

I recently stumbled accross the article "When the Brain's Mailbox Is Full", which can be found here: http://www.nytimes.com/1999/07/27/health/when-the-brain-s-mailbox-is-full.html. The article ...
2answers
157 views

### The current recommended text for statistics in behavioural sciences

I have an old book: Statistics for the Behavioural Sciences (4th ed.) by Gravetter & Wallnau. I want to transition my textbooks to eBook format, but this book doesn't come like that (as far as I ...
3answers
576 views

### Where to post online psychology studies for participant recruitment?

A common challenge when running psychological studies is getting enough participants. Of course, there are many general strategies for recruiting participants, but I was specifically interested in ...
2answers
223 views

### Are different types of long term memories stored in different parts of the brain?

I recently had some questions concerning the capacity of the brain's memory: Are different types of long term-memories like know-how, your-life, etc. remembered in different parts of the brain? If ...
1answer
3k views

### How important is eye contact for attraction between a man and woman?

How important is eye contact for creating/inducing attraction & showing showing "confidence" towards them? What is the optimal eye locking duration between 2 persons for inducing this attraction? ...
2answers
714 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 ...
1answer
62 views

### Would most people benefit from psychotherapy?

At least in my country, undergoing psychotherapy is perceived negatively. People in my country perceive people as either healthy (normal), or mad and in need of a psychologist. My perception is ...
1answer
201 views

### What is the difference between drug withdrawal and sleep deprivation effects?

Personal sleep-deprivation study: Recently, I posed a question that I'm sure many people find tough already: "Do I really need to sleep?", and so I tested myself, I spent two days without sleeping. ...
2answers
200 views

### Why do people suddenly look back if you look at them for a while?

You possibly are familiar with the following situation, I do not know if this is a researched phenomena or not however. You look straight at somebody for some time and suddenly, even though he or she ...
1answer
767 views

### How does raw IQ change over the lifespan at the group-level?

In the classic review of intelligence research (Intelligence: Knowns and Unknowns), Neisser et al (1996) write the following Stability. Intelligence test scores are fairly stable during ...
2answers
50 views

### Increasing the quantity of something which is initially good will always lead to an excess?

Take this sentence from a psychological article on wikipedia about the comfort zone: However, White (2009) also observes that if the work of Robert Yerkes (1907) is considered in which he ...
0answers
141 views

### Human behaviour in one-shot perfect information games

Background A one-shot game is one where two participants have some set of actions $\{1, ... , n\}$, they make their decision on which option to take (without knowing the decision of their partner, or ...
1answer
206 views

### How does task difficulty schedule affect the rate and efficiency of perceptual learning?

In perceptual learning (line length/orientation discrimination, visual target detection, tone frequency discrimination, etc), when training people or animals to perform a task better, is there an ...
1answer
119 views

### Hearing first but understanding later?

I have experienced this phenomenon several times and checked with other people as well. It goes like this: you hear something, but it's just a sound with no meaning. Some seconds later, you ...
4answers
574 views

### Is it possible to think in a second language?

Those who have learned a second language are guaranteed to consciously think of words and their corresponding meaning in your native language or vice versa. This is common with more "complex" ...
2answers
294 views

### Behaviorist interpretations of decision field theory

Decision field theory is usually presented as a dynamic cognitive model of decision making. However, in its basic form, the theory seems to only be concerned with behavior (decisions) and stimuli ...
1answer
192 views

### Can learning be facilitated by transcranial magnetic stimulation?

I read a book a while ago called The Brain that Changes Itself by Norman Doidge (2007), and it brought to my attention a machine known as a transcranial magnetic stimulator (TMS) which can ...
2answers
117 views

### The effect of proper food intake on emotions and brain function

Recently I wasn't eating at the proper time and I often skipped meals. I was angry, stressed before taking my meal, and suddenly, I felt good after having my dinner. I have felt the same way many ...
3answers
182 views

### Can scientific evidence support concepts of the soul?

In some spiritual premises, the soul is said to belong to the Almighty. Religions (Christianity, Hinduism, Buddhism) all talk about cleansing our inner being because only when it's pure, its actual ...
1answer
142 views

### What is the scientific definition of “brain training”?

A lot of companies are selling products under the heading of "brain training", and "brain exercises", "brain games" such as Nintendo DS Brain Training, Lumosity, and a host of other companies. I'm ...
1answer
77 views

### How does our brain consider something to be funny?

What makes something that we watch (a clown's antics, hidden camera pranks, etc.), hear (jokes), read (satire), or do (pranks) be perceived as funny? Even babies find certain actions and sounds ...
2answers
123 views

### Does law of attraction have psychological basis? [closed]

A common claim in business and self-help seminars is that optimists are luckier. Is it true that optimism leads to greater success in life? If so, what part of the brain support this so called ...
1answer
158 views

### How strong is the need to belong?

Are there any studies that measure the need to belong? Does this need vary greatly from person to person or is there a tight deviation? What would explain why some have very little need to belong ...
1answer
474 views

### What is the correlation between Grade Point Average (GPA) and intelligence?

What is an authoritative empirical estimate of the correlation between pscyhometric measures of intelligence and Grade Point Average (GPA)? What are the main factors that influence the size of the ...
1answer
127 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:
1answer
65 views

### Could an ethic stating that everyone should care about himself go into justifying exploitment?

Let's assume that one man has the following belief: 1) Everyone has to take care of himself; it's not mandatory for people to be nice and good, it's mandatory to defend ourselves from others and to ...
3answers
3k views

### Why do people laugh in serious situations?

I've seen people (including myself) that laugh for no apparent reason in really serious situations, such as in an argument or when receiving bad news. Although the other party is clearly very upset, ...
1answer
74 views

### Improved Typing as a result of slight movement

I've found that my typing performance (speed, accuracy, flow) are noticeably improved if I am swaying slightly, mostly side to side, in a non-regular manner. I would estimate that the overall ...
2answers
176 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 ...
0answers
61 views

### What is the impact of showing the amount of unattended notifications to the user?

What is the difference in cognitive effects on the user between simply showing that there are 'some' unattended notifications, or showing how many notifications there are? Take Facebook's ...
1answer
64 views

### Neural Processes of Inducing Flow

Related to my previous question: Improved Typing as a result of slight movement For context: slight movement (<1 inch in any direction) improves typing, piano-playing, and writing, among other ...
1answer
431 views

### How to use Mechanical Turk for longer studies (i.e., 30 minutes+)?

I'm interested in using Mechanical Turk as a means of recruiting participants for online psychology studies. I have never used it for any research. However, many of my studies take around 30 minutes ...
1answer
502 views

### How can psychometry measure the very high IQ's in adults?

From Wikipedia's page on Mental age, we learn that: Originally, the differences between mental age and chronological age were used to compute the intelligence quotient, or IQ. This was computed ...
3answers
451 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 ...
1answer
3k views

### How to calculate IQ score based on raw score and adjust for age?

I am having a hard time grasping how IQ scores are calculated. I think it has something to do with their age score ratio multiplied by 100. Say I have a test that holds 30 questions. How would I ...
1answer
144 views

### Does looking into a mirror relieve eye strain in a similar way to looking at distant objects?

Sometimes when having an eye exam the eye chart is viewed through a mirror to increase the distance between the person and the chart. When using consoles, it is recommended to look away from the ...

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