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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0answers
12 views
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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0answers
5 views
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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0answers
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 ...
2
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0answers
22 views
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 ...
3
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0answers
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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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?
3
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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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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
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, ...
5
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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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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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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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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?
2
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0answers
38 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
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 ...
3
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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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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?
4
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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 ...
0
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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 ...
4
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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 ...
4
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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 ...
3
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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
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 ...
2
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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
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.
0
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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?
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
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.
...
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0answers
26 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
129 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
48 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
44 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
60 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
48 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 ...
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0answers
180 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?
2
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0answers
31 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
73 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 ...
5
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0answers
110 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
35 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
95 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
56 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
173 views
Accuracy and precision of wearable devices to measure galvanic skin response? [closed]
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
55 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
151 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
48 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.
...
