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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0answers
29 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 ...
5
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2answers
391 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
397 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
46 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
404 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
56 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
60 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
30 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
27 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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191 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
55 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 ...
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0answers
54 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 ...
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1answer
65 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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54 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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347 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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36 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
115 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
118 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
41 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
129 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
85 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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234 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
61 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 ...
4
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1answer
195 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 ...
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1answer
56 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
325 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
34 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
131 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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2answers
4k 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
53 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
408 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/...
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1answer
96 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
153 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
549 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 ...
6
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1answer
365 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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184 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
92 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
161 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 ...
2
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1answer
945 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
97 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 ...
5
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1answer
291 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 ...
3
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0answers
53 views

Which filter should be applied to the EEG signal for the stress stimulus? [closed]

I am a student in electrical and electronics engineering. I just started working with EEG. I perform a stress test on subjects and record EEG activities with a 5-sensor headset. I use Matlab for ...
4
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2answers
124 views

Does the peripheral nervous system processes information like central neurons do?

Neural coding deals with the problem on how neurons or a network of neurons processes a stimulus and creates a response in form of electrical action potentials. Information then might be encoded in ...
3
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1answer
4k views

How to measure and quantify concentration or focus?

How can we measure and quantify concentration or focus? For example, if I were to say: "If you do Activity X while using Y, you will be more concentrated than if you were using Z" How can I ...
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0answers
36 views

Inter-subject signal sensitivity estimation?

Factor loading background I am using paired comparison methods to estimate estimate respondents’ sensitivity to distinctions in words used to characterize the construct of agreeableness. (e.g, ...
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2answers
139 views

Are there any tests for one's belief or philosophy?

I know of the varying types of personality tests and I find them interesting (specifically HEXACO due to it having multiple facets to expand its 6 main factors and I believe it is open-source or free ...
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1answer
67 views

Understanding a negative correlation between Pc and signal strength

When I present two signals in paired comparison and ask the respondent to select the stronger signal in the pair, I find that it is the signal strength of the second signal that more so determines ...
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2answers
2k views

What does it mean for there to be more variance within groups than between groups in IQ?

I was watching a short YouTube video that comments on the validity of IQ. That video contains the following claim (verbatim): "You know nothing about a person's intelligence on the basis of his or ...
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3answers
381 views

Freeware for measuring keystroke duration

I am searching for freeware to measure the duration of a keystroke or mouse-click, both would work. Does anyone have an idea? Matlab toolboxes are, unfortunately, of no use to me.