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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3k views

To what extent does AFQT correlate with IQ?

Wikipedia has a pretty non-informative page as to the nature of the (US) Armed Forces Qualification Test (AFQT) as it mostly talks of results ranges etc. What I could descipher from there is it that ...
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0answers
54 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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44 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
113 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
36 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
126 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
51 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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31 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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2answers
860 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 ...
4
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1answer
709 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
98 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
664 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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76 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
62 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
35 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
30 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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249 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 (...
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0answers
67 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 ...
2
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0answers
59 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 ...
4
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1answer
71 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
59 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
388 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
46 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-...
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1answer
127 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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131 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
42 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 ...
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1answer
380 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 ...
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0answers
116 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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237 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
72 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 ...
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2answers
134 views

Does sadism correlate with narcissism?

I mean in the general population. I'm aware of proposals/constructs like malignant narcissism but the empirical evidence (in the Wikipedia page at least) is mostly case-based (serial killers and so ...
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1answer
246 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 ...
5
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1answer
63 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. ...
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1answer
353 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
42 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 ...
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2answers
198 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....
4
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2answers
6k 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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0answers
56 views

Best sensor/wearable to measure ppg and/or gsr [duplicate]

So I'm doing a thesis and need to find the best sensor/wearable that has a open api so I can access the data, that measures gsr (galvanic skin response) and ppg (photoplethysmography). I've seen a ...
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0answers
41 views

Is there an inventory to measure competence in the workplace?

I'm currently doing a study where I chose to have HR management practitioners view a sample of resumes from applicants, and then have them give a competence score. I'm just not sure what kind of ...
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1answer
973 views

How to understand what a low score or high score is for a particular measure?

I am trying to use a survey tool to recommend a particular decision. In my case, I am using the Ten-Item Personality Inventory (TIPI; link here: https://gosling.psy.utexas.edu/wp-content/uploads/2014/...
2
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1answer
101 views

What is the cause of differences that are too small to see?

Consider two identical pieces of paper. Scenario 1: On both something is drawn in black ink. If the difference between the areas covered in black ink is sufficiently small, I cannot see the ...
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2answers
180 views

Accuracy of psychopy keystroke duration measurement

I am using Psychopy and this code for measuring keystroke duration as suggested in this answer for my previous question: ...
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2answers
716 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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1answer
430 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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0answers
221 views

In I.Q. and Cognitive Tests, What Sequence Patterns Should be Applied?

Nearly every I.Q. and Cognitive test seems to ask questions for the "next item in the sequence". But, there just seems to be so many possibilities, and I can usually find a way that all of the ...
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1answer
116 views

How do I measure ratio of EEG frequency band for a few electrodes in decibels?

I wanted to calculate the ratio of Theta/Beta ($\Theta$/$\beta$) in decibels for a couple of electrodes in AF3 AF4 and Cz I was able to get these in microvolts, but would like to convert them to ...
6
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1answer
187 views

Which is the most valid/validated scale for diagnosis of Major depression for an Indian population?

I am planning a study of an online intervention for depression in India. We were planning to use Patient Health Questionnaire-9 (PHQ-9) for assessing the depression symptom severity. One of our ...
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1answer
1k views

Can brain zaps be demonstrated by EEG?

Brain zaps are explained as an electrical buzz in the head and the symptoms occur while withdrawing slowly from an SSRI antidepressant medication. Is it possible to detect brain zaps by placing EEG ...
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2answers
107 views

Examples of interventions that yield large long term effect sizes in psychology

I was listening to a podcast entitled Very Bad Wizards, hosted by two university academics. One of the hosts, namely David Pizarro who is a psychologist at Cornell made the claim that most ...
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1answer
574 views

Ambiguity in self-evaluating Likert-scale questions

I am concerned that when Likert-scale type questions are used in self-evaluation questions, the results are ambiguous and would like to know if it's possible to address this ambiguity. Interpersonal ...

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