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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 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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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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After conducting an EFA, how to score a factor for new participants using its constituting variables?

I'm learning EFA (again autodidactically -_- bloody middle east).. So I hope you help me with this naive question Scenario I have a questionnaire made, and I was able to extract 5 factors. Factor 1 ...
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3answers
3k 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
14k 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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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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1answer
3k views

What is the difference between IQ and Executive Function?

I was reading an article today that stated that people with high IQ's that have trouble with social skills, memory, being punctual (on time), emotional control, and "growing up" are likely to have ...
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24 views

Is there a specified way to shorten the number of questions in an instrument/questionnaire?

If you have found a fitting instrument that measures your interest and has been validated but is a bit too long, what can you do to shorten it? Edit: How do you reduce the number of questions ...
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Is autism prevalence increasing? [duplicate]

The CDC has been rapidly increasing its estimate of children with autism for years. It's tripled in the past 15 years. This has lead to a lot of speculation, including dramatic claims like vaccines ...
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2answers
73 views

How is intelligence in children measured?

Intelligence is dependent on mental age and education. So how can an IQ test be performed to check the mental/intellectual capabilities in children?
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27 views

How to measure child to adult development quantitatively?

Are there any tests available that could quantify a personal development from child to adult if the development is more or less healthy and is not considered pathological? I'm absolutely new to the ...
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1answer
33 views

What is restriction of range correction formula when you don't know standard deviation of unrestricted group?

What is the restriction of range formula if you don't know the standard deviation of the unrestricted group is? For instance, you run a selection process, 1st stage is a cognitive ability test and ...
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1answer
6k 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 ...
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2answers
74 views

Bounds on skew and kurtosis of IQ

The question of whether IQ is Normally distributed, or instead follows e.g. a Pearson type IV distribution, has been debated since at least the 1910s. The quotient- and deviation-based definitions ...
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1answer
20 views

Fit a psychometric function when the maximum is not 100% (not because of lapse)

I found that currently the form of psychometric function assumes that the proportion correct lies between 0.5-1 given the range of stimulus level, but how to fit a psychometric function when the ...
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1answer
52 views

Getting useful readings out of GSR sensors while moving?

I'm currently thinking about a project that would involve using a GSR sensor and an Arduino (Probably the Grove GSR Sensor) to measure Stress levels in a person. It will not be a research project, ...
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1answer
60 views

Free-to-use parenting style questionnaire

I'm working on a master's thesis in UX design that I might want to turn into a commercial project later on. The subject matter is use of Nonviolent Communication (NVC) in parenting. For the research ...
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2answers
2k views

What are “Stimulus locked” and “Response locked” in Philiastides & Sajda (2006)

While going through the below-mentioned paper, I came across some plots which were said to be "locked" with reference to either response or stimulus. Does the locking refer to the initiation of the ...
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2answers
499 views

Help to find the International Trauma Questionnaire (ITQ)

I'm looking for the International Trauma Questionnaire (ITQ) as per ICD-11 proposals, but I can not find it. It was previously called the ICD-11 Trauma Questionnaire (ICD-TQ). Can someone help me?
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2answers
1k views

Skin conductance responses to emotional stimuli

The skin conductance response (SCR) is said that cannot be reduced to one specific stimulus (Boucsein, 2012). Does this mean that if the participant is presented with stimuli of different emotional ...
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1answer
3k 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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1answer
25 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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2answers
127 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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2answers
2k views

What happens at sampling rates lower or higher that the Nyquist rate?

I do understand that for a signal to be properly sampled, it has to be done on the Nyquist sampling rate. What I do not understand is, what happens at sampling rates lower rate than the Nyquist rate, ...
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3answers
138 views

What is a good measure of self-regulation?

Is there self-regulation or self monitoring test. I am interested in measuring why people are not commited to their goals (quit smoking, dieting etc) so you can suggest another measure instead of self-...
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1answer
73 views

What pro- or anti-environmental behaviors are feasible to measure objectively rather than with self-report?

One of the central challenges in understanding pro-environmental behavior is measurement. Currently, most researchers (including myself) lean on self-report of behavior. I'm looking for a brainstorm. ...
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0answers
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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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2answers
170 views

Survey questions to test competitiveness

I'm running an experiment and am suspecting that competitive people may respond differently to experimental treatments compared to non-competitive people. To determine whether a person has a ...
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1answer
93 views

How to ask in a survey for emotional vs. rational personality

In a survey I would like to find out the correlation between different factors based on the personal dimension "being more emotional vs. rational". Are there any known studies with items that could be ...
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1answer
108 views

Paper discussing economic rationale of IQ-based hiring practices

TL;DR I'm looking for a paper that explicitly quantifies the ROI an employer would likely derive if personnel selection involved intelligence testing and only those +2 SD in cognitive ability were ...
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1answer
28 views

Does work exist on relative valuations versus numeric valuations?

I've been trying to use Google Scholar to find something on this issue, but I fear I may not have found anything due to using incorrect terms. I am looking for any work which looks at rating systems ...
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0answers
33 views

Differences in Cognition, Theory of Mind and their criteria

I´m writing an essay about the ToM in animals. My Problem is that there are a few hints of ToM in animals but there are also some interferences. I tried to set up a conclusion which uses Morgan's Law ...
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0answers
40 views

Is there a psychological scale/measurement that can be used to determine how much of a 'victim mentality' the subject has? [closed]

Is there an accepted test/scale/measurement/etc that can be used to measure how much of a 'victim mentality' the subject has?
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2answers
85 views

What techniques can be used to differentiate between correlation and causation?

Psychology is unique among other medical sciences in that it cannot ask test participants to like, prefer or support something. As such a vast body of psychological studies are purely observational ...
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1answer
139 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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1answer
33 views

Cognition of people born by C-section vs born ordinarily?

Has there been any research comparing the cognition of people born via C-section to people born vaginally? During a vaginal birth, the baby's head is pressured and deforms somewhat in order to make ...
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2answers
381 views

Is there a test that measures gender dysphoria?

Gender dysphoria according to wikipedia is [T]he distress a person experiences as a result of the sex and gender they were assigned at birth. In these cases, the assigned sex and gender do not ...
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2answers
71 views

Reason for Inter-stimulus-Interval in psychology studies

In many of the studies that I have read or participated in, I have seen that they show a blank screen between two stimuli. For example, in a study by Cohen et al. (2017), a training paradigm was used ...
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2answers
42 views

Classical test theory: Covariance of two variables

I'm stuck with the definition of the Covariance in the classical test theory (CTT) framework: In CTT it is assumed that for two items: $X = \tau_x + \epsilon_x$ $E(X) = \tau_x$ $Y = \tau_y + \...
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0answers
28 views

Participant compensation and engagement in online studies

In research studies, it is common to compensate the participant for their time/effort by giving them monetary compensation. Is there any research on whether the amount someone is paid for ...
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0answers
100 views

What's the effect of color on responses to a Likert scale?

We're implementing comment cards on our site that contain a simple Likert-type scale that uses colored buttons (red, orange, yellow, light green, green), to denote the range of negative to positive ...
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2answers
16k views

How to calculate IQ from bhatia battery test?

How to find out IQ from bhatia battery test? Suppose time for each of the 5 subtests is noted down. What are the steps to reach at an IQ value from here?
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1answer
234 views

What does it mean statistically for there to be significant differences in average IQ scores between racial groups?

Charles Murray (in his book, "The Bell Curve") reported that there are real differences between the mean IQ scores of different racial groups. He also points out that IQ variation within said groups ...
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1answer
79 views

Is there anything comparable to the IPIP for IO psychology, work psychology and the like?

The International Personality Item Pool is a public domain collection of over 3000 items and 250 scales. Is there anything comparable for work psychology and the like?
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2answers
92 views

Canonical Literature for “Big 5” Personality Theory

I'm searching for a good reference on "Big 5" personality theory that explains the topic in detail beyond the level of a website. I am hoping to get a pointer to some of the "canonical" literature--i....
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1answer
205 views

What are the correlation between the Big 5 (OCEAN) dimensions of personality?

I'm looking for quantitative research on the correlation between the five dimensions in OCEAN psychometric models. Would appreciate any references.
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0answers
92 views

What is the relationship between a strong work ethic and an honest reputation and individual success?

We're all being constantly told that strong work ethics, honestly reputation and all similar things is the key and the only key to success. But observation of success of certain politicians, marketing ...
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1answer
41 views

Are psychometrics used in the public sector? [closed]

If it is used, how is it used? Where is it used? Which countries are using?
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1answer
47 views

The origin of the term “construct” in the cognitive sciences

So, I was just wondering - who can be attributed as originating the idea of a "construct" in psychology? Does the general concept of an epistemic "construct" feed directly into the way the term is ...
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0answers
27 views

Ability to identify an “average” vs a maximum (or minimum)?

I have a hypothesis that humans are better able to identify the largest (or smallest) in a set of objects, compared to their ability to identify an average object, i.e. the one closest to the mean. ...