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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177 views

Why is a lack of response to punishment in adults considered significant in diagnoses?

It seems that a lack of response to punishment is often considered useful in diagnosing conditions or symptoms. A good example of this may be in diagnosing psychopathy, in which a lack of response to ...
7
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1answer
53 views

Why “fractional” anisotropy?

Why is Fractional Anisotropy (FA), a measure in diffusion tensor imaging, called "fractional"? I'd have thought "local", i.e. voxel-wise, would have been the correct way to qualify the anisotropy that ...
7
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1answer
101 views

How to efficiently get a sense of the meaning of a score on a non-aptitude test that you encounter in a journal article?

Context: When reading research articles in psychology, you often encounter new non-aptitude self-report psychological tests (e.g., measures of personality, well-being, psychopathology, learning style, ...
7
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1answer
95 views

Whether to ask satisfaction and importance questions for each item in a survey?

Job satisfaction and opinion surveys ask respondents to provide ratings on a set of items. One response scale might be a five point rating scale measuring satisfaction (e.g., 5-point strongly ...
7
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1answer
71 views

What is the state of the art in computerised coding of Thematic Apperception Tests (TATs)?

Thematic Apperception Tests (TATs) involve showing test takers pictures and getting them to write stories based on the pictures. Coding such stories for themes and traits can be complex, ...
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1answer
47 views

Classical conditioning paradigm for hippocampal learning

I wanted to know what a suitable classical conditioning experiment would be to analyze learning and memory capabilities in rodent models with respect to hippocampal long-term potentiation (LTP). For ...
6
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4answers
669 views

Just because masturbation doesn't interfere with everyday life, why aren't higher rates considered an addiction?

The common theme in most studies/articles about masturbation is that as long as the act does not interfere with everyday life, it's not considered a problem. However, just because it doesn't ...
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4answers
1k views

How valid are reaction times collected from online studies?

Online studies promise the possibility of greatly increased numbers of and variability in populations to study, but there are many potential concerns and need for validation, and diving in head first ...
6
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1answer
2k 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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2answers
141 views

What is the null hypothesis, when there is no research hypothesis?

(a) Apples grow to different sizes, from small to average and large. Farmers want large apples. (b) There is this rare bug, the apple bark bug, which lives in the bark of apple trees. Due to its ...
6
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1answer
90 views

A measure of creativity from mind maps

I have an experiment with 500 students who where asked to solve a general problem. Each student had the assignment to find as many solutions as possible to the problem in 15 minutes. Solutions where ...
6
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1answer
246 views

Questionnaire regarding the motivation to be physically active

Does anyone know a questionnaire regarding the motivation to be physically active? That is, the motivation to move more (i.e. walk, cycle, run) and sit less on a daily basis.
6
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1answer
258 views

Measuring changes in hemispheric dominance over time

I've recently started using my trackball left-handed after being right-handed my whole life. The motivation is partly to balance out wrist strain, and partly to see how much my brain rejects the idea. ...
6
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1answer
118 views

Does intoxication ever improve reaction time?

Background: As I write this I am rather "tipsy." I wanted to do some experiments and test my reaction time. I noticed that ironically, my reaction times were a lot quicker than when I am sober. Is ...
6
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2answers
794 views

How is age related change in IQ measured if tests use age specific norms?

In a comment to this question about age related IQ decline in professors and scientists, the following comment was left: I noticed that lot of IQ tests (RPM or California) have different norms ...
6
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1answer
46 views

How to measure stress quantitatively?

I am wondering what the most straightforward way is to measure stress levels objectively and quantitatively *, and specifically, cognitive load. I am open to suggestions, but my understanding is that ...
6
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2answers
3k views

Is there any standardized test / questionnaire to measure frustration?

I'm looking for a well-established standardized test to measure frustration (level) of humans. Is there such an instrument? I'm looking for a relatively short test that assesses frustration level at ...
6
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1answer
92 views

In SDT, are there other measures of detection sensitivity besides d'?

The reason I ask is that I often hear of alternate measures of response bias besides β, but have never heard of an alternate measure of detection sensitivity to d'. If there is no other measure of ...
6
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1answer
772 views

Reducing ceiling effect with a Likert scale measure

I am designing a psychology study in which the main endpoint is the perceived effectiveness of various medical treatments. In pilot trials, we used a bipolar Likert scale to measure perceived ...
6
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1answer
72 views

Do people low on agreeableness swear more?

Reading through a scientific report on Big 5 characteristics in everyday life, I found a -.28 correlation for Agreaableness and swearing. ...
6
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1answer
317 views

Can the Go/No-Go Association Task be faked?

Go/No-Go Association task: The GNAT (pronounced like the bug) is a flexible technique designed to measure implicit social cognition. Conceptually similar to other implicit measures like the ...
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3answers
2k views

Are there any standard tests to measure psychopathy?

While looking into another question on how to measure the adoption of norms, I came to wonder whether there are any standard tests to measure psychopathy. What are the accepted standard tests to ...
5
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2answers
135 views

Do humans mentally discretize numbers?

It seems reasonable to me that humans discretize numbers: this number is bigger than than number, or when faced with a series of numbers that range from 0 - 100, 50 is "middling", 10 is "low" and 90 ...
5
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1answer
159 views

What does fMRI measure exactly

It is true that blood flows to wherever the brain is most activated and does fMRI measure the blood flow inside of the brain through oxygen content?
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3answers
149 views

Frequency at which electrodermal response should be measured

I'm computer science graduate working on a health monitoring device. How much is the delay in electrodermal response? i.e., the time it takes before which an electrodermal response can be realized. ...
5
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1answer
400 views

Information sampling task

There is a lot of research done on impulsivity trait. Here is detailed wikipedia article and here is one interestiing video of biological and psychosocial causes of impulsivity. In wikipedia article ...
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3answers
78 views

Recent psychophysical studies using the “Method of Adjustment”?

The Method of Adjustment, devised by G.T. Fechner, is one of the three classical psychophysical procedures used to examine perceptual performance. It came to fame through early studies of visual ...
5
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1answer
143 views

What was his name again…ahh got it!

You all know the situation described in the title. You forgot something and start to search your memory and then after quite a while it jumps right in front of you, out of nowhere. My questions are: ...
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2answers
50 views

Component naming of MEG vs. EEG

My question is why we use P and N for naming positive and negative EEG component(for instance N170 or P100) but for MEG data we use M in both case, I mean M170 and M100 in this example?
5
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2answers
462 views

Are Rorschach (inkblot) tests still used as a diagnostic tool?

Are Rorschach tests still used as a diagnostic tool today, or are they just a relic from the 60's? If they are still in use, what sort of information do they provide?
5
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2answers
218 views

Are there useful applications for three channel consumer EEG?

I stumbled upon the consumer EEG Melon (at Kickstarter). It has three electrodes and is advertised as measuring how "focused" you are. In the FAQ it says: The Melon headband has three electrodes. ...
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2answers
2k views

Cheapest way to measure arousal levels

I'm interested in performing a psychological experiment from my own home (the research is controversial; not that it's unethical, but rather I won't be able to aquire funding for it) and in it I would ...
5
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2answers
122 views

Summary of meta-analytic correlations between self- and other-report measures

It is well known that the correlation between personality measures obtained from self-ratings and ratings by others are imperfect. There are many different traits that could be rated (e.g., ...
5
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2answers
728 views

What is the standard error of measurement for teacher made multiple choice tests?

Assume a teacher constructs a four-choice multiple choice test. Each item has only one correct response. The test is scored from 0 to 100 representing the percentage of items answered correctly. I ...
5
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1answer
91 views

Are there any standard psychometric scales that are only applicable to within-subject designs?

A while ago, I asked the question whether Presence questionnaires are valid in between-subject designs (see the question for the background to this assumption). While the question garnered some ...
5
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1answer
150 views

Measuring meta-intelligence

Does anyone know of any research in measuring metacognitive abilities (i.e. metacomprehension, metamemory, meta-emotions(?), etc) in people? In other words, I'm wondering if the same way we have IQ ...
5
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1answer
34 views

Why compare a target group to a control group when population norms are available?

I am reading now many studies about juvenile offending and delinquency, and there are always compared offenders´ results from different tests (for example personality, IQ) with control group. I am ...
5
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1answer
305 views

How can psychometric or behavioural tests be used in banking to evaluate creditworthiness?

Suppose an entrepreneur or borrower with little credit or business history goes to a bank or some financial institution to borrow money. Banks can use, as an alternative to a credit or business ...
5
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1answer
408 views

Status of introspection in psychological research today

Historically, psychological understanding was largely gained by introspection: the philosopher observed the workings of his own mind and deduced the principles of the human psyche from that. During ...
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2answers
100 views

Suggestion for wearable EEG headset

We need wearable EEG headset with raw data output accessible from various platforms. I heard that devices like that have commonly the output encoded and available adapters are designed for one or just ...
5
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1answer
56 views

Can we use a scale even if one of the answer levels was not added?

I have a set of 20 participants for a study who were given a 7-point Likert scale that was made incorrectly by a graduate student. The student accidentally did not add the 6th answer level. The scale ...
5
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1answer
86 views

Neurophysiological indications of focus and motivation

Is there any way to detect a subject being focused or highly motivated (assuming that these two states are essentially the same) using any sort of external detection, such as fMRI or EEG? How would ...
5
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1answer
77 views

Binocular rivalry in animals?

Are there any experiments on binocular rivalry in animals? (In humans, brain responses to Rubin's vase are for example well studied.)
5
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1answer
1k views

Current diagnostic interviews for DSM-V

I was wondering if there are currently any diagnostic interview schedules that have been made/adapted to fit DSM-V criteria? Have you heard of anything? Specifically, I am looking for interviews for ...
5
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1answer
58 views

Correlation between BIS and BAS responses

As a part of my lab experiment, participants had to answer questions for BIS and BAS (BAS reward, drive and fun) scales. The correlation matrix shows that BIS is significantly positively correlated ...
5
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1answer
90 views

What kind of Psychometric test is this

I’ve taken this exam as a requirement for a job. Unfortunately, I forgot what the exam was called. All I can remember is that the exam has 100 items grouped into five or four. Each group of five or ...
5
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1answer
239 views

How to quantitatively measure strength of friendship using observable factors?

Is there any quantitative measure associated with the strength of a friendship or relationship? Ideally it should be able to be calculated based on observable factors, but should not require ...
5
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2answers
219 views

Measurement of phase difference between two signals using cross correlation vs. fourier transform

I am studying eeg signals with the aim of distinguishing between preictal and interictal epilepsy states based on the eeg signal. I have read some papers and one of the metrics used to distinguish ...
4
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2answers
937 views

How to measure emotional intensity?

This is a follow-up question to: Do people feel emotions less strongly as they grow older? Basically - I'm wondering - has anyone ever made an empirical measurement of how strongly someone felt ...
4
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3answers
911 views

What exactly is IQ, and how to develop or improve it?

Some people are said to have exceptionally high IQ. What exactly is that supposed to mean? Is it possible to develop high IQ if one doesn't have it? If yes, then how?