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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1answer
13 views

What is the notation about group differences in terms standard deviations?

I am just getting into watching psych lectures and things online and am taking notes but I have been wondering what the proper/standard way of writing in note form about standard deviations is. For ...
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Newbie Question: Can someone explain Dunning and Kruger's results?

I think I understand the Dunning Kruger effect: assessing our ability in a certain field, requires the meta cognitive skills that competence in that field brings, so without these skills we tend to ...
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1answer
40 views

Has the Open-Source Psychometrics Project been well received by the community?

I am not a psychologist/psychology student, but I've just recently discovered the Open-Source Psychometrics Project, and I think it's great. To my untrained eyes, it seems like they have solid ...
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Why does an image seem smaller through a pinhole when viewing with human eye

I was chewing gum when I took the Trident gum wrapper and rolled it into an open cylinder with a diameter of about 1.5mm (give or take 0.15mm). When I look through the gum wrapper (I have to put it ...
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36 views

Whole brain death diagnosis and false positive

In view of the increasing need for organ transplants( possibly because of the greater ability of the surgeons and physicians to both execute the transplant, prevent a rejection, and/or diagnose the ...
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1answer
48 views

How to determine which scale to use: Nominal vs Interval?

I am currently working on immersion and how it can be quantified. One of the problems I have run into is how to determine which scale to use? I have performed a literature review but have not ...
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12 views

Can willpower be trained?

Is willpower a well defined psychological concept? If yes, can it be trained? Clearly we can train willpower for some certain case, such as long distance running by say, distracting and ...
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1answer
39 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. https://doi.org/10.1167/9.10.7) use the continuous color recall task where they ask participants to recall the color ...
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12 views

Is there a relation between the nature of a leisure activity and the time required to feel satiated with it?

Is there a relation between the nature of a leisure activity and the time required to feel satiated? When you're doing some leisure activity, there is a point you feel you have had enough of it for ...
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14 views

What is the meaning of “strongly” in a Likert test?

Likert-scale questionnaires/tests tend to include the following options: Strongly agree Agree Neither agree nor disagree (sometimes included) Disagree Strongly disagree I have been looking for a ...
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Is AFQT geared towards estimating crystallized intelligence?

In a few papers I have read claims that AFQT is geared largely (mostly?) towards measuring crystallized intelligence. However, https://study.com/academy/popular/difference-between-the-asvab-afqt....
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2answers
149 views

Summary of meta-analytic correlations between self- and other-report measures

It is well known that the correlation between personality measures obtained from self-ratings and ratings by others are imperfect. There are many different traits that could be rated (e.g., well-being,...
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Finding percentile ranks for questionnaires and psychometric tests

I am using a Levenson's Self-Report Psychopathy Scale to divide participants into two groups (high v low scores). I have selected participants based on them scoring in the top or bottom 25% of ...
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Is there a subfield of psychometrics focused not on test questions but “high-resolution” “behavioral” data?

I'm new here but I thought y'all would be the best place to ask. Is there some research sub-community that studies how to measure psychological constructs and processes when you have high-resolution ...
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2answers
355 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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68 views

How are the scores of the AIQ-IV interpreted?

I found this pdf of the Aspects of Identity Questionnaire-IV which mentions the scoring for the dimensions of the scale. I am unsure as to what the scores mean once they've been totalled. Is this ...
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1answer
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How do I get the “Avoidance and Inflexibility Scale”?

I am working with a smoking cessation app and I want to study the acceptance of smoking behaviour. I found a good paper by Gifford et al. (2004) in which the authors use their own questionnaire called ...
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1answer
30 views

Testing Prefrontal cortex

Is there a test to see if the Prefrontal cortex of someone works normally? especially a simple test like a questionnaire that you give the individuals to fill out and based on their answer you obtain ...
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46 views

Can some one operate 15 points lower during some part of the day and then return to normal?

Few days back I took an IQ test (online mensa norway) and found my IQ score to be 85. I actually had my IQ professionally tested 16 months ago by a psychologist when I was 18, and found out that I am ...
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1answer
249 views

Is it possible to quantify 'pettiness' in a personality?

Petty is a word that is pretty clearly defined: Not very important or serious Relating to things that are not very important or serious I'm interested in measuring the degree that someone is ...
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Are there scales to measure parental autonomy support from the parents' perspective? (Self-determination theory)

Self-determination theory posits that parental autonomy support (PAS) has myriad benefits for children. All the studies I have been able to find either rate PAS based on observing parents interact ...
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1answer
49 views

How to measure/predict the difficulty of a conflict?

Question I want to conduct an experiment and I found that the difficulty of a conflict to resolve could play a factor in this experiment. I now need an easy way of measuring the potential difficulty ...
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1answer
34 views

Schwartz Value Survey (SVS)

I am looking for the Schwartz Value Survey (SVS; Schwartz, 1992). I seem to have found a copy here in the appendix of this paper but I'm not quite sure if it is okay to use it the way it is presented, ...
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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 the percentage of disability is measured in India in case of autism, ADHD, learning disability etc?

How the "percentage" of disability is measured in India in case of cognitive difficulties such as autism, ADHD, learning disability, intellectual disability etc?
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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 (...
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1answer
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Can General Assessment of Functioning (GAF) be used to measure recovery etc. from all mental health problems?

Can General Assessment of Functioning (GAF) be used to measure recovery etc. from all mental health problems? I know it's used with 'schizophrenia', but what about things like personality disorders, ...
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1answer
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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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3answers
2k views

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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2answers
1k views

How to filter noise in EEG data

I am a computer science student and I'm doing something for a psychology professor. We have EEG data from an experiment where a person was shown 140 images for 2 seconds each. We placed 64 electrodes ...
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6 views

Special protocol to improve quality of life for chronic patients

I'm working on my thesis and trying to find out if there's any academical or known psychological protocol in European or American countries to improve quality of life for chronic patients. Any Idea ...
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1answer
377 views

Is a low Emotional Intelligence (EQ) pathological?

A sufficiently low cognitive intelligence is generally considered in society to be inherently pathological, or at least very nearly so. In fact, until recently, a diagnosis of Intellectual Disability (...
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2answers
66 views

Is there a list of large-scale, free datasets with psychological variables?

Psychologists are not using large, existing, free data to its potential. We don't know what exists, what it contains, or how to use it without a huge investment. Secondary analysis of large, open ...
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How to analyse skin conductance in r studio? [closed]

Anyone knows if skin condutance may be analised by some package in r studio? I have a signal in txt.file and I need to analyse, however I dont have any tool or software to do this beyond the R.
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1answer
30 views

When the DEA says a drug is X times more potent than another, what do they mean?

E.g. Fentanyl is a synthetic opioid that is 80-100 times stronger than morphine. What does that refer to? According to https://en.wikipedia.org/wiki/Potency_(pharmacology): The IUPHAR has ...
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2answers
375 views

Why don't the Big 5 personality traits have more neutral names?

Lots of different areas of study appropriate common-language terms as jargon words with a specific meaning in the context of that particular field, but the names of the Big 5 personality traits have ...
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1answer
16 views

What is the distinction between “relationship” and “difference” in behavioural statistics?

Quoting [emphasis added] from D.C. Howell's (2012) Statistical Methods for Psychology, chapter 9 (Correlation and Regression), Pg 252: Although you should not make too much of the distinction ...
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2answers
478 views

How do you randomize within a Qualtrics form without breaking timing?

My current survey has a number of blocks. Each of those blocks contains a bunch of questions, each on their own page with a page break, and each with an associated timing question to limit time spent ...
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11 views

Efforts to create metrics of understanding and comprehension of some sentence?

Let's assume that S is some sentence (e.g. theorem). Are there efforts to quantify how well some agent (pupil, student, machine agent) understands this sentence S (or some sent of sentences)? E.g., if ...
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18 views

Can frissons provide an accurate metric to gauge emotional intelligence?

This relates to my other post Frissons on demand. As is stated in the abstract of the cited source below (which discusses voluntarily controlled piloerection), the ability correlates with personality ...
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1answer
53 views

Impact of pre-college schooling on IQ (WAIS)?

Introduction I'll give context for my question from personal experience, but then I'll generalize my question so that it's broadly useful. When I was a child, my mother home schooled me. When I ...
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2answers
149 views

Are there any tests for one's belief or philosophy?

I know of the varying types of personality tests and I find them interesting (specifically HEXACO due to it having multiple facets to expand its 6 main factors and I believe it is open-source or free ...
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1answer
46 views

What time range between 2 measures for test-retest reliability?

How much time between 2 measurements is needed (at least / at most) to be called test-retest reliability? Concrete casus: I am planning a meta-analysis on reliability of various loneliness scales. We ...
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1answer
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What are the methodological differences between a ‘constructed’ and a ‘standardized’ psychological test?

What are the methodological differences between a ‘constructed’ and a ‘standardized’ psychological test? This was a question asked in the exam. Kindly help me understand the key differences.
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How do you encourage participants to pay attention while completing online studies?

I'm conducting research where participants come into a lab and complete a study entirely on a computer (about 10-15 minutes). This means that informed consent, instructions, manipulations, and ...
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0answers
11 views

Set of uncorrelated cognitive tests for self quantification and tracking

I self track partly to optimize intelligence and productivity. Cognitive tests are good proxy of both. I tried all the tests in "time of day" experiment at quantified-mind and many seem to test the ...
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Can anyone help me in choosing the suitable statistical analysis for my research?

I have conducted an experimental research last week. The research topic is about Influence of Voice Assistants on Satisfaction, Attitude and Purchase Behaviour. I had 46 participation in total and 23 ...
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3answers
4k views

What tools are available for EEG analysis on the R platform?

I'm starting some EEG studies on attention, and would really like to use R for preprocessing (filtering/artifact rejection), visualization, and analysis, but I can find very little in the way of tools....
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2answers
17k 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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0answers
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Are there studies that compare the accuracy of forecasters that are asked to state probabilities vs. forecasters that are asked to state odds?

The Good Judgement project asks it's forecasters to estimate the likelihood of events occurring by asking them for probabilities (20%, 60%...). Sport betting usually communicates the odds of an event (...

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