Questions tagged [measurement]

For questions about techniques for measuring psychological and neural properties. Includes the measurement of knowledge, abilities, attitudes, and personality traits, as well as neural structure, organization, activity, and complexity.

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What is the relation between measures, constructs and concepts?

It is uncontroversial to say that the cognitive sciences do not exclusively deal with directly observable phenomena, but nonetheless aim to study the physical causes of behavior and cognition ...
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45 votes
4 answers
4k views

Is the Myer Briggs Type indicator (MBTI) a reasonable scientific theory?

Background: MBTI stands for Myers-Briggs Type Indicator. It's a theory that suggests that people can be divided into 16 types, based on the way they percieve and analyse information (whether they make ...
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19 votes
3 answers
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Are there any personality theories that use the scientific method?

Background I have come across a number of personality theories. There are even disciplines of personality theories, dividing these theories according to the assumptions they are based upon. The most ...
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10 votes
2 answers
4k views

What is the most comprehensive system of describing human emotions or states of mind?

Reading about the human mind, I sometimes come across attempts to classify human emotions using various scales. The one that comes to mind most often is the 6 scale circle model shown below. Is ...
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24 votes
3 answers
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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 ...
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8 votes
3 answers
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What exactly is IQ, and how to develop or improve it?

Some people are said to have exceptionally high IQ. What exactly is that supposed to mean? Is it possible to develop high IQ if one doesn't have it? If yes, then how?
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15 votes
1 answer
8k views

Do the Jungian Cognitive Functions/ Processes really exist?

Background Many of us must have come across personality theories like MBTI which use part of Carl Jung's concepts to make a theoretical system used to divide people into types. For example, MBTI says ...
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15 votes
2 answers
1k views

What is the support for a global personality factor?

The Big 5 is a popular framework for describing major factors of individual differences in personality. More recently, I've been hearing people talking about the utility of conceptualising personality ...
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6 votes
1 answer
2k 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 ...
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13 votes
4 answers
4k views

How valid are reaction times collected from online studies?

Online studies promise the possibility of greatly increased numbers of and variability in populations to study, but there are many potential concerns and need for validation, and diving in head first ...
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6 votes
1 answer
205 views

Can rationalization be objectively recognized?

In psychology and logic, rationalization or rationalisation (also known as making excuses[1]) is a defense mechanism in which controversial behaviors or feelings are justified and explained in a ...
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15 votes
3 answers
34k views

How can we scientifically measure love?

I want to understand the psychology of love, and I found the Triangular Theory of Love on Wikipedia from this question, which I think is very believable. However, there is a big section on mixed ...
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29 votes
2 answers
4k views

What is an effective metric of complexity for an Artificial Neural Network?

After asking the question What is the most complex neural network... I realized I don't really have a good metric of "complexity" in a general sense. The simplest measure would likely be count of ...
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24 votes
2 answers
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Free online intelligence test with norm table, high reliability, and must be printable?

I am looking for a general intelligence test which meets the following requirements: available online for free there is a table which translates "points" to IQ (I don't want a hidden online ...
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  • 341
10 votes
2 answers
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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 ...
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6 votes
4 answers
976 views

Getting started with EEG data

I want to get started with getting signals from EEG and learning on how I can read data. I have some programming skills, so designing a database and manipulating data with ruby (python seems also cool,...
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20 votes
2 answers
5k views

How long does it take to refocus after context switching?

Context switching has been highlighted for the toll it takes on productivity at great length, particularly by people who work in software and project management. Are there any psychology/...
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12 votes
2 answers
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Which neurotransmitters can be measured in a living human brain?

I'm interested in learning more about the modern techniques that are used for scientific studies of neurotransmitters in the living human brain. As far as I know, there are 4 neuromodulator systems ...
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11 votes
1 answer
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How to measure group differences incorporating reaction time / accuracy trade-off?

In a psychological experiment I am measuring subjects' reaction time as well as their error rate. Now I would like to compare two groups (males & females). There might be a bias in the sense that ...
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  • 653
6 votes
2 answers
417 views

How do psychologists ensure they are measuring innate intelligence and not just education?

Certain groups perform worse on IQ tests than other. How do psychologists ensure that those differences aren't purely related to differing levels of education between those groups? How do we know ...
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12 votes
2 answers
23k views

To what extent is time to complete an intelligence test incorporated into the IQ score?

In this previous question on scoring IQ tests the OP asked about the effect of speed of test, but it was a bit peripheral to the core question. So I thought I'd ask it as a separate question. To ...
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2 votes
1 answer
67 views

Reference signal when measuring EEG

When performing EEG, a number of electrodes are placed on the scalp to measure the electric potential difference between those locations and a reference. In the unipolar configuration, the reference ...
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9 votes
2 answers
386 views

How do cognitive scientists measure creativity?

Einstein said once something like creativity is more important than intelligence. Intelligence as it is measured is really one's speed and efficiency at processing information. How one processes the ...
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7 votes
1 answer
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How can psychometric or behavioural tests be used in banking to evaluate creditworthiness?

Suppose an entrepreneur or borrower with little credit or business history goes to a bank or some financial institution to borrow money. Banks can use, as an alternative to a credit or business ...
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6 votes
1 answer
136 views

Is there a theoretical maximum for IQ?

In "Eugenics: A Reassessment" Richard Lynn writes: The intelligence level of the population would be expected to stabilize at its theoretical maximum of around 200 after six or seven ...
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  • 61
18 votes
4 answers
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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 not ...
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18 votes
3 answers
2k views

Longitudinal mobile mood tracking app with random reminders

The goal is to take simple measurements of mood using Likert scale over an extended period of time (e.g. two months). I know there is a large number of mobile apps for tracking mood on every ...
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  • 2,347
7 votes
2 answers
14k views

Is there any standardized test / questionnaire to measure frustration?

I'm looking for a well-established standardized test to measure frustration (level) of humans. Is there such an instrument? I'm looking for a relatively short test that assesses frustration level at ...
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  • 191
18 votes
1 answer
3k views

How to measure dominance and submissiveness?

Introduction Interpersonal dimensions of personality (Sullivan, 1953) have been described in a circular model, the interpersonal circumplex, since Leary (1957). The two dimensions that define this ...
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11 votes
2 answers
582 views

What computerized EEG analysis algorithms are there?

I got a commercial-grade EEG headband and am trying to look at the data it outputs. The headband quantifies raw EEG signal from a single forehead dry sensor into a range of EEG bands (alpha, beta, etc)...
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12 votes
2 answers
246 views

Measuring the adoption of norms

I'm trying to make a survey and I'm having trouble to find a scale to measure the adoption of norms. The people who fill in the survey have to think about a situation in which they were ashamed. For ...
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  • 123
12 votes
3 answers
4k views

How to estimate IQ for public figures?

Background: I read a question on Quora that asked how intelligent is Barack Obama. A wide range of arguments were presented. The tone of the answers was not neutral because of the political context of ...
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9 votes
1 answer
413 views

What is understood about interactions between personality types or traits?

There are several psychological tests based on Jungian typology (e.g., MBTI, Insights & DISC) which extrapolate findings about personality into how those types interact (e.g., interaction styles). ...
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4 votes
1 answer
181 views

Connections between different theories of personality

There are a several theories on personality: the Big Five personality traits, Watson en Clark's extraversion en neuroticism, Grey's Behavioural Inhibition & Behavioural Activation (BIS/BAS), ...
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11 votes
2 answers
1k views

Is it possible to quantify cognitive bias?

We know that bias exists, and that it affects our judgment and perception. This effect has to do with user's experience in life. That experience is taken care of by the brain, and if you counter a ...
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10 votes
1 answer
1k views

Do the motivations and fears behind Enneagram have any scientific reasoning?

Background The Enneagram personality typing system defines set of motivations and basic fears for its nine personality types among people. The system seems to be aimed at personal development of a ...
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8 votes
3 answers
1k views

Freeware for measuring keystroke duration

I am searching for freeware to measure the duration of a keystroke or mouse-click, both would work. Does anyone have an idea? Matlab toolboxes are, unfortunately, of no use to me.
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  • 343
7 votes
1 answer
2k views

How to measure stress quantitatively?

I am wondering what the most straightforward way is to measure stress levels objectively and quantitatively *, and specifically, cognitive load. I am open to suggestions, but my understanding is that ...
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7 votes
1 answer
206 views

What was her/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: ...
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  • 1,818
7 votes
1 answer
154 views

A measure of creativity from mind maps

I have an experiment with 500 students who where asked to solve a general problem. Each student had the assignment to find as many solutions as possible to the problem in 15 minutes. Solutions where ...
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6 votes
1 answer
520 views

What does fMRI measure exactly

It is true that blood flows to wherever the brain is most activated and does fMRI measure the blood flow inside of the brain through oxygen content?
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  • 349
10 votes
4 answers
3k views

Are there any standard tests to measure psychopathy?

While looking into another question on how to measure the adoption of norms, I came to wonder whether there are any standard tests to measure psychopathy. What are the accepted standard tests to ...
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9 votes
1 answer
1k views

Is there a database of emotional stimuli available?

For my research I need to use emotional stimuli to use for habituation to certain emotion. Are there any databases available (preferably free or not expensive) of non-linguistic stimuli I could use? (...
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9 votes
1 answer
2k views

Why are disorders discrete?

Disorders are usually discrete. For example, if you are given a test for, say, ADHD, they are usually only two results "you have ADHD" or "you don't have ADHD". Autism is treated as a spectrum, but ...
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  • 558
7 votes
2 answers
185 views

Accuracy of psychopy keystroke duration measurement

I am using Psychopy and this code for measuring keystroke duration as suggested in this answer for my previous question: ...
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  • 343
7 votes
2 answers
368 views

Relationship between cognitive load and self-indulgent behavior in simple task completion

Background A subject in an office-building setting is asked to memorize a list of numbers and to write them down on a whiteboard in another room on the opposite side of the building. The subject ...
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  • 173
6 votes
1 answer
6k views

What are the pros and cons of the hot sauce paradigm to measure aggression?

The hot sauce paradigm is a way to measure aggressive behavior in the lab. Participants are asked to give a portion of hot sauce to another person (who they know hates hot sauce) and who will have to ...
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5 votes
2 answers
560 views

Component naming of MEG vs. EEG

My question is why we use P and N for naming positive and negative EEG component(for instance N170 or P100) but for MEG data we use M in both case, I mean M170 and M100 in this example?
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  • 91
5 votes
4 answers
2k views

Why are the Big Five factors of personality correlated?

One of main characteristics of Five Factor Model is that factors are not orthogonal as in some other personality models. Why it is tolerated that those factors are not independent? Is it possible to ...
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  • 1,816
5 votes
2 answers
153 views

Does sadism correlate with narcissism?

I mean in the general population. I'm aware of proposals/constructs like malignant narcissism but the empirical evidence (in the Wikipedia page at least) is mostly case-based (serial killers and so ...
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