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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Temperament and Character Inventory (TCI)

What are the main critics to TCI model? What is the consensus on its validity ? Has it any predective power to detect personality disorders ? Are they any other models that has attempted to fix its ...
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How many participants are needed for online reaction time studies?

I am a Master's student focusing on psycholinguistics and I am preparing for my thesis. What I will be looking at are register effects and for that I will be conducting 2 online experiments using Ibex ...
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What is the “quotient” determining a person's ability of seeing the big, long term picture?

A person with high IQ might be good at solving puzzles with determined rules, but are not necessarily able to deal with complicated real world problems with limited knowledge, limited resources, and ...
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IQ Heritability: from father vs mother?

I think on Wiki here it is suggested that IQ is inherited to some degree. But I can't find scientific information on whether it is more inherited from mother or father? e.g. if both mother and father ...
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Emotional Calculator; How can I mathematically show a decrease in anxiety using an emotional equation?

Disclaimer- I had asked this question in the Math stack exchange, but was encouraged to ask it here. I'm working on creating an emotional calculator of sorts, for personal use, wherein, whenever I am ...
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Why have we not yet mastered our understanding of the Placebo effect? [closed]

The Placebo effect states that if you and I are both surgeons and we have 10 alike patients each who are in need of knee surgery's, that if you go and do your operations by the book, and I on the ...
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How to obtain percent correct responses from the QUEST data

I'm new to analyzing QUEST data to produce psychometric functions. I am using Psignifit in Matlab for this. I have this data: Column #1 has stimulus contrast presented in the first or the second ...
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Does Human Brain signal of same task in different time have the same characteristics?

I am currently doing some research about human emotion based on EEG classification. I do an experiment in that I show subject a picture about 3 state of emotion and record their EEG signal. I split my ...
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How is the weight of Weschler subscales calculated towards general IQ?

How do the Wechsler IQ (e.g. WAIS III) tests indices (e.g. verbal IQ, performance IQ) and sub-scales contribute to overall IQ? What are the weights of each? If a person scores above 99.9th (maximum) ...
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44 views

How can we measure the levels of Frustration? [closed]

Any technique or Matrix or Questionnaires, Qualitative or Quantitative Analysis
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How to add fixation cross on grey screen using psychopy? [closed]

I want to insert the placeholders "welcome text", "instruction text", "fixation cross" and "thank you text" on the grey screen. The black fixation cross appears in the middle of the screen for a ...
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39 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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Offical studies/papers of relationship evaluation in mobile apps

There is this heise article https://www.heise.de/ct/artikel/Die-Psycho-Tricks-der-App-Entwickler-4547123.html (unfortunatley in German) talking about manipulative mechanisms in mobile apps. He is ...
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How to measure awareness of a concept continuously after Ps received more information?

I am trying to measure whether Ps range awareness (IV; being aware about the actual range of an electric car and connected charging infrastructure and knowing that people commonly underestimate these) ...
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1answer
57 views

Equalize/balance brightness and saturation of different colors using RGB (across various monitors)

We want to present different colors to participants in an online experiment (in an HTML/CSS-based application, hence we'll use RGB values). More in specific, we ...
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Why are the sensations from different senses perceived joint? [duplicate]

Why are all the sensations from different senses all perceived joint and not everyone separately? Obviously, all the sensations are in the same physical classical system, if not, when we die, ...
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What psychological methods exist for dealing with uncertainty?

Curious in finding out if there have been any psychological studies done on uncertainty & what the results of those studies have been. Have there been any frameworks or methodologies on combating ...
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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
1k 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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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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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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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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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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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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122 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
74 views

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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53 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
31 views

Correlation used as explanatory device in ''The neuroscience of Intelligence'

I am currently reading Dr. Richard Haier's book The Neuroscience of Intelligence. I have a base knowledge of statistics, but I am confused about the following extract from page 80 (chapter 2.4): ...
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33 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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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
53 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
58 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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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
18 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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1answer
50 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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2answers
70 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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29 views

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
49 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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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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1answer
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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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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
57 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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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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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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