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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Could someone tell me how the FAS verbal fluency test is scored?

Is the number of correct words in all three categories summed or is the average used? Also, are the words written down or are they collected verbally? Thanks.
-2 votes
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How exactly does one determine the measuring ability of an item according to IRT?

I'll outline my suspicions, so as to better aid an answerer with where I'm at knowledge- and understanding-wise. So, we have some unidimensional, latent and presumably measurable trait. If we're ...
2 votes
1 answer
200 views

What is verbal memory useful for?

A friend of mine did the Verbal Memory Test at http://humanbenchmark.com/ and got an extremely high score (almost 300 words). English is not his first language and he knew the meaning of only about ...
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Is there a negative correlation between IQ and likelihood of ending up stressed out by a certain task/job?

I searched for stress and IQ correlation research papers, but could only find ones claiming that stress lowers IQ - that's not exactly the same thing.
1 vote
1 answer
62 views

How to evaluate the convergence of a staircase?

I have a 2AFC staircase, with transformed up and down method (2up 1 down) or (2down 1 up), with equal step size (at the beginning there are higher step sizes, at the end there are the lower value). ...
6 votes
1 answer
331 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. ...
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What does psychometrics tell us about a needed (x IQ) of a leader necessary to succesfully and efficently lead number (y) of people with a μ z IQ?

I started looking on my own, and I found "the optimal IQ for perceived leadership will appear at about 1.2 standard deviations above the mean IQ of the group membership" https://doi.apa.org/...
4 votes
1 answer
266 views

How do I stream SMI glasses eye tracker data into MATLAB?

We are planning to use the SMI glasses eye tracker. This eye tracker obtains gaze data and we will use it for pupillometry as a measure of cognitive load. The only thing I'd like to accomplish is ...
1 vote
0 answers
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Reducing self-selection bias by controlling for motivation to fill in the survey

The self-selection bias refers to the overrepresentation of people willing to participate in research among studies' participants. The bias could be particularly relevant in surveys relevant to ...
2 votes
1 answer
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What are shortcomings of query bases tools for measuring Situation Awareness?

A review compared many different ways for assessing Situation Awareness (SA), such as query based tools, external observers and self-report tools. The paper argues that query based tools, such as the ...
1 vote
1 answer
60 views

Psychological analysis of diary data [closed]

I am using the app Daylio and I have already get 160 days and over 300 records. App itself has the ability to analyze data, very simple and weak. E.g, what activities take place together; how the mood ...
5 votes
1 answer
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is it possible to be severely autistic yet not being "visibly autistic"?

It is common problem for many "mild" (ASD level-1) autistics to be criticized as "you do not look autistic" or some of its variants. Also sometimes seen in social media that moderate autistics (level-...
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How to determine the sample size for a Confirmatory Factor Analysis CFA

I'm in the process of developing a scale. Overall, my question is how do I determine how many participants to include in my sample for the first Confirmatory Factor Analysis procedure? More ...
3 votes
1 answer
141 views

Calculating Significantly Above Chance for 3-AFC Test

I am trying to figure out which participants who took a 18-item multiple choice test scored significantly above chance. Each item has 3 choices, so the probability of getting each question correct is ...
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Any good research on the comparative rates of CSA in different populations? (religious vs none religious, Mormon, catholic, etc)

I'm wondering if there is any good research on the rates of CSA in different populations.
10 votes
3 answers
4k views

When is it defendable to use manifest instead of latent variables in psychological research?

In psychology, most of the concepts, theories, ideas etc. of interest refer to latent variables, where a latent variable is one that can't be observed directly. Instead, one has to find a manifest ...
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Complete digital copy of a brain: What are the main data metrics?

For the field of a theoretical scenario, future scientists map the body of an arthropod which has about 100,000 neurons and duplicate a precise copy of the animal onto SSD, including the dendrite ...
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35 views

What is the causal relationship between Adaptability and long term life success? [closed]

Adhering to the Big Five: Plasticity, being comprised of openness to experiences and extraversion, involves dispositions toward exploration, flexibility, adapting to novel situations, questioning ...
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653 views

Name for the ability to accept and react positively to challenges?

I am surveying early-stage entrepreneurs. The phenomenon I really want is their ability to clearly see, accept, and positively act on, difficulties -- maybe with their company, maybe their product, ...
0 votes
1 answer
81 views

What are the ways to measure stress levels regularly at home?

What methods are available for collecting data on a human's stress levels? That is, suppose someone wanted to collect weekly/daily/hourly readings of their stress levels (e.g. in order to use the data ...
3 votes
2 answers
102 views

Why is deltaE not used as a measure of error?

I've recently read a few articles pertaining to visual memory. Most of them (e.g. Bays et al., 2009 use the continuous color recall task where they ask participants to recall the color of an object by ...
4 votes
0 answers
99 views

Do you need need to have an above average IQ in order to have a reasonable chance of successful career in STEM fields?

Particularly engineering, computer science, math. I came across this quote from someone who specializes in psychometrics in response to this question. Is it scientifically proven if hard work in STEM ...
11 votes
4 answers
7k views

Is there a correlation between high IQ and creativity?

Is there a correlation between high IQ for example over 125 and creativity? Is creativity improved or does its importance simply diminish? Maybe there could also be confounding variables as well? It ...
2 votes
1 answer
35 views

Updated list of the most used and reliable quantitative tests in Psychology

I studied Psychology some years ago and ended up as a programmer. Now, I'm working on a personal side project to build an API to serve correction for different psychology tests. Since I moved out of ...
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32 views

How was the infant IQ test applied to Koko?

Apparently, a Gorilla named Koko took a number of IQ tests and scored an average of 80, their full range of scores being 70 to 95. The test used was the Cattell Infant Intelligence Scale. I don't ...
1 vote
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What Action Units (AU) from the FACS can be combined together independetly of each other?

There exist many "impossible" combinations of AUs, let's say 45+46 for example or 18+27 etc. i.e. combinations of AU that can not possibly be expressed because they "occupy" the ...
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49 views

Is it possible for the human intelligence quotient to grow above 270? [duplicate]

I read about a person who had 263 IQ points, and apparently, that is the most that have ever been recorded. What is the maximum possible IQ for anyone to have? https://sciencetrends.com/highest-...
6 votes
0 answers
212 views

Is personality dominance a hypothetical construct or is it based in neurobiology?

There are several personality tests which have dominance as trait or type as result. In addition to this question: How to measure dominance and submissiveness? How are dominant types constructed in ...
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56 views

Is there a significant cognitive difference between a person with 100IQ and a person 105IQ versus a person with a 150IQ and a person with a 180IQ?

So basically my question centres around cognitive differences by IQ classifications. So I saw somewhere (roughly) that the difference between someone with 150 and someone with 180 is very small ...
4 votes
1 answer
123 views

Are there results on the null hypothesis of the "surgeon operating on my son" question?

There is a common question used to demonstrate the power of implicit assumptions about gender roles in our society. Including it here for reference: A man and his son had a terrible car accident and ...
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36 views

Competitiveness Analysis

I have developed a fitness website where users can exercise in a video call. My claim is that the website i designed increases the level of competition when exercising together with a peer compared to ...
6 votes
0 answers
147 views

Can our dreams tell us anything useful about ourselves?

This question is related to What is the current "accepted" science behind dream interpretation?, but here I am asking something more specific. Dream reports, also known as sleep mentation ...
3 votes
1 answer
62 views

Isn't fluid intelligence necessarily influenced by crystallized intelligence?

In this article, it is said: Conversely, Gf [general fluid intelligence] represents the ability to employ a type of mental operation to independently reason and solve novel problems; it does not ...
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37 views

gender related activism scale

I'm looking for a self-report measure that assesses involvement and interest in activism that centers around gender equity, including (but not limited to) topics like gender equality, segregation and ...
3 votes
1 answer
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Are dedicated response boxes really better in precision than regular keyboards?

There are various (very pricey) commercial response boxes or pads (perhaps most notably Cedrus) that purportedly offer higher precision than regular keyboards. (Note that my question focuses on ...
2 votes
0 answers
25 views

Making a risk assessment type scale using existing scales

I am trying to make a risk assessment type scale that measures the likelihood/risk of someone experiencing a psychological disorder in a setting. There are about 10 factors (e.g., gender, sleep ...
2 votes
1 answer
53 views

What measure or criteria wording can be used to track trends in p factor?

Background: you can use factor analysis on mental illness to get a general psychopathology factor, like the g factor in intelligence but instead a general mental illness factor. https://www.ncbi.nlm....
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 ...
3 votes
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44 views

Do different ethnic groups have the same standard deviation of the IQ distribution?

There is a lot of research suggesting that different ethnic groups either within US or worldwide if all plotted together would have distributions of IQ with different averages. The reasons for that ...
7 votes
0 answers
252 views

Validity of the "Common Factors" perspective

Research and practice in psychotherapy has been deeply influenced by two different approaches: the Empirically Supported Treatments (ESTs) movement, due to the development of Evidence Based Medicine (...
6 votes
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55 views

Is there a correlation between long-term memory and academic success in STEM?

There are underlying fundamentals and first principles, especially in STEM that continue to be built upon but can get neglected and forgotten over time without practice. Obviously having a great ...
6 votes
1 answer
137 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 ...
1 vote
2 answers
100 views

What software to use for psychology questionnaire?

I'm doing a schoolwork about Spiral Dynamics and last part is doing practical research and everything is completed except we yet didnt found any digital platform with which we can conduct our research....
2 votes
0 answers
10 views

What are standardized and scalable methods to assess free recall?

In cognitive psychology and education literature, free recall test is usually compared with recognition test (through multiple-choice questions) and the former is favored as a more reliable measure of ...
5 votes
2 answers
156 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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43 views

What are the values of the absolute intracellular and absolute extracellular potentials in a neuron?

Most texts on neurons give the value of the membrane potential and do not state the absolute values of the intracellular and extracellular potentials in a neuron. I understand that this is because the ...
1 vote
0 answers
45 views

What is the minimum sample size for establishing the construct and especially concurrent validity of an intelligence test?

For example, the Shipley has a sample size of 263 for concurrent validity and I'm wondering if this is enough. Also, this is a stretch, but does anyone know the concurrent validity of the Figure ...
1 vote
1 answer
61 views

Psychometric scales of gender

I have never read any study that has used a psychometric scale to find out the respondent's gender identity, sexual orientation or both. This makes me wonder if there are such scales or not, or if ...
2 votes
1 answer
31 views

Must researchers pay to use items (but not scoring) from standardized tests?

I would like to use the items from a standardized test in a research study. I would like to know whether I need to pay to use the items for this purpose? Or are the items alone potentially free, ...
1 vote
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How is the mean for the Cattell IQ tests calculated?

British Mensa uses Cattell Culture Fair and Cattell III B tests. The Cattell Culture Fair Test has a mean and SD of 100 and 16 respectively. The Cattell III B has a mean and SD of 100 and 24 ...

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