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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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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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0answers
24 views

Comparing psychometric curves of two different tasks

I ran two different tasks on subjects, and fit psychometric curves to the results of 10 stimulus levels for each task. Each psychometric curve was defined by a slope and a bias, i.e. point of ...
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22 views

Are there any well-established measures of general self-confidence and current anxiety?

I am designing an experimental manipulation to raise participants' feelings of uncertainty, and I want to ensure a clean manipulation that is not affecting other constructs such as anxiety and self-...
2
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2answers
65 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?
3
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1answer
19 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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2answers
58 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 ...
5
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1answer
51 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, ...
5
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1answer
55 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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1answer
23 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 ...
4
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2answers
115 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 ...
4
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1answer
64 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. ...
3
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2answers
220 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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36 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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2answers
114 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 ...
4
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1answer
82 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 ...
3
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1answer
105 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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0answers
31 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
39 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?
4
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2answers
82 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 ...
0
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1answer
31 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 ...
4
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2answers
61 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 ...
4
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2answers
41 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 ...
3
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1answer
108 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 ...
5
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1answer
198 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 ...
2
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1answer
32 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
147 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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1answer
37 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?
3
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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 ...
2
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0answers
26 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. ...
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0answers
25 views

How are commercial psychometric instruments or content protected legally? [closed]

I understand the Myers–Briggs Type Indicator (MBTI) is registered. What are the limitations for individuals and other business wishing to utilise the MBTI without a license to do so.
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0answers
91 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 (...
2
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0answers
47 views

Is synchronization between the MRI scanner and the stimulus presentation necessary for every trial?

I'm planning an event-related fMRI-experiment to investigate the difference in processing natural and computer-generated facial emotion expressions. I've seen a lot of studies that synchronize the ...
3
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0answers
42 views

How to implement an incidental processing task without a fMRI-compatible response box?

Background I'm planning an event-related fMRI-experiment to investigate the difference in processing natural and computer-generated facial emotion expressions. My supervisor and I are discussing ...
5
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1answer
58 views

Multiple-stratum intelligence models

My question concerns the mathematics of multiple-stratum models, about which I've not found much that's quantitative, so excuse my inventing my own notation to explain my thoughts. In models such as ...
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0answers
45 views

How do different emotional intensity ratings within a condition influence the comparison across different conditions in an event-related fMRI task?

I'm planning an event-related fMRI-experiment to investigate the difference in processing natural and computer-generated expressions. For this, we recorded videos of 4 different actors posing fearful ...
2
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0answers
165 views

How to prevent falling for Jingle-Jangle fallacies?

What are some ways to avoid the Jingle-Jangle fallacies when it comes to choosing a form of measurement in psychology research?
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0answers
30 views

Are there dual-process IQ tests?

I mean tests that try to measure system 1 and system 2 performance separately, but more than short lists of trick questions which unfortunately seem to make the bulk of the empirical work in this dual-...
3
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1answer
62 views

What is the best unobtrusive and objective method to measure mental workload?

What is the current research/industry standard on measuring mental workload using objective measurements (e.g. EEG, eye-tracking)? Do you have any suggestions for specific tools and techniques? Are ...
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0answers
103 views

Why do male brains not detect extra “F”

Is there a neuroscience explanation for the behavior in the following experiment? Are there any papers or research conducted to find out why this differentiation happens? Count the number of ...
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0answers
23 views

Neurogensis in CNS invloves apoptosis of scar cells?

Say there's neurogensis in a brain area that seems to "allow" it, like the Hipocampus, Striatum, and so forth. Does this neurogensis might be preceded in the apoptosis of scar cells, and then, in the ...
2
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1answer
89 views

Calculating brain-part volume percentage?

How is the approximate volume occupied by a brain component calculated? For example, how would you know the approximate brain volume percentage of both hippocampi or both parts of the striatum, or ...
2
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0answers
49 views

How does on one create a circumplex model (multiple answers)?

Given a list of points with arousal and valence rankings, what is the best way of showing them on a circumplex model, given that they are already tagged with 1 out of 7 selected emotions, are they ...
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0answers
155 views

Accuracy and precision of wearable devices to measure galvanic skin response?

How accurate and precise are wearable devices to measure galvanic skin response compared to laboratory quality equipment? This discussion includes some details on the accuracy of wrist-based ...
4
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1answer
54 views

Name of false answer effect in surveys

I'm looking for research I've read about a well known effect that happens when participants complete a survey, where they do not answer what they think is right, but what they think the researchers ...
5
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1answer
141 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 ...
4
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1answer
45 views

Advancement to Likert Scale

Likert Scale has been widely in use for more than 80 years (it was published in 1932). However, the limitations of it are well-known: The space between each choice is possibly not equidistant. ...
8
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1answer
254 views

What, if any, objective tests were designed for the assessment of altruism?

In an article by Santacreu et al. (2006) there is a mention of altruism assessment within the framework of the Character Education Inquiry (CEI): If we return to the first half of the last century, ...
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0answers
29 views

Is anyone aware of any cognitive models that appraises interior design preferences?

The goal is to evaluate someone's interior design preference based on some text/image based questions. Can the personality and aesthetic profile extracted from the answers be used as inputs for a ...
3
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2answers
78 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....