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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103 views

Can our dreams tell us anything useful about ourselves?

This question is related to What is the current "accepted" science behind dream interpretation?, but here I am asking something more specific. Dream reports, also known as sleep mentation ...
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1answer
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Isn't fluid intelligence necessarily influenced by crystallized intelligence?

In this article, it is said: Conversely, Gf [general fluid intelligence] represents the ability to employ a type of mental operation to independently reason and solve novel problems; it does not ...
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30 views

gender related activism scale

I'm looking for a self-report measure that assesses involvement and interest in activism that centers around gender equity, including (but not limited to) topics like gender equality, segregation and ...
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1answer
31 views

Are dedicated response boxes really better in precision than regular keyboards?

There are various (very pricey) commercial response boxes or pads (perhaps most notably Cedrus) that purportedly offer higher precision than regular keyboards. (Note that my question focuses on ...
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Making a risk assessment type scale using existing scales

I am trying to make a risk assessment type scale that measures the likelihood/risk of someone experiencing a psychological disorder in a setting. There are about 10 factors (e.g., gender, sleep ...
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1answer
99 views

Calculating Significantly Above Chance for 3-AFC Test

I am trying to figure out which participants who took a 18-item multiple choice test scored significantly above chance. Each item has 3 choices, so the probability of getting each question correct is ...
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1answer
48 views

What measure or criteria wording can be used to track trends in p factor?

Background: you can use factor analysis on mental illness to get a general psychopathology factor, like the g factor in intelligence but instead a general mental illness factor. https://www.ncbi.nlm....
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1answer
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How to measure dominance and submissiveness?

Introduction Interpersonal dimensions of personality (Sullivan, 1953) have been described in a circular model, the interpersonal circumplex, since Leary (1957). The two dimensions that define this ...
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Do different ethnic groups have the same standard deviation of the IQ distribution?

There is a lot of research suggesting that different ethnic groups either within US or worldwide if all plotted together would have distributions of IQ with different averages. The reasons for that ...
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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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Is there a correlation between long-term memory and academic success in STEM?

There are underlying fundamentals and first principles, especially in STEM that continue to be built upon but can get neglected and forgotten over time without practice. Obviously having a great ...
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1answer
100 views

Is there a theoretical maximum for IQ?

In "Eugenics: A Reassessment" Richard Lynn writes: The intelligence level of the population would be expected to stabilize at its theoretical maximum of around 200 after six or seven ...
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What software to use for psychology questionnaire?

I'm doing a schoolwork about Spiral Dynamics and last part is doing practical research and everything is completed except we yet didnt found any digital platform with which we can conduct our research....
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What are standardized and scalable methods to assess free recall?

In cognitive psychology and education literature, free recall test is usually compared with recognition test (through multiple-choice questions) and the former is favored as a more reliable measure of ...
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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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Why is deltaE not used as a measure of error?

I've recently read a few articles pertaining to visual memory. Most of them (e.g. Bays et al., 2009 use the continuous color recall task where they ask participants to recall the color of an object by ...
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39 views

What are the values of the absolute intracellular and absolute extracellular potentials in a neuron?

Most texts on neurons give the value of the membrane potential and do not state the absolute values of the intracellular and extracellular potentials in a neuron. I understand that this is because the ...
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What is the minimum sample size for establishing the construct and especially concurrent validity of an intelligence test?

For example, the Shipley has a sample size of 263 for concurrent validity and I'm wondering if this is enough. Also, this is a stretch, but does anyone know the concurrent validity of the Figure ...
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1answer
47 views

Psychometric scales of gender

I have never read any study that has used a psychometric scale to find out the respondent's gender identity, sexual orientation or both. This makes me wonder if there are such scales or not, or if ...
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1answer
30 views

Must researchers pay to use items (but not scoring) from standardized tests?

I would like to use the items from a standardized test in a research study. I would like to know whether I need to pay to use the items for this purpose? Or are the items alone potentially free, ...
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How is the mean for the Cattell IQ tests calculated?

British Mensa uses Cattell Culture Fair and Cattell III B tests. The Cattell Culture Fair Test has a mean and SD of 100 and 16 respectively. The Cattell III B has a mean and SD of 100 and 24 ...
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2answers
356 views

Psychometric information on IPIP representation of NEO facets

The IPIP (International Personality Item Pool) website provides a copy of the IPIP representation of the NEO 30 facet form. It also provides some information comparing IPIP NEO with official NEO. ...
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Which items of the NEO-FFI are a subset of the NEO-PI-R?

I am currently working on a NEO-PI-R dataset that is freely available online. To my knowledge the NEO-FFI is a subset of the NEO-PI-R. I would like to run a factor analysis on the NEO-FFI. ...
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27 views

What are the most often used questionnaires in psychology?

As the title says, I am wondering which questionnaires are most often used in psychology. My guess is that NEO-PI-R should be in the Top-10. One of the accompanying papers has been cited 38k times (...
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208 views

Human brain v/s computer: speed comparison?

We can't compute (speaking of some of the functions a computer can perform ) as fast as a computer. Where does this shortcoming stem from- working memory or clock frequency perhaps comparable to the ...
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1answer
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Why are flat line EEG recordings not perfectly zero microvolt?

I just look at several flat line EEG brain waves and all of them are not exactly at zero microvolt, in the sense there seems to be always a small signal or irregularities to be seen, as well as ...
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32 views

Psychological analysis of diary data

I am using the app Daylio and I have already get 160 days and over 300 records. App itself has the ability to analyze data, very simple and weak. E.g, what activities take place together; how the mood ...
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1answer
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Is Rotter's Interpersonal Trust Scale fixed?

I am new to psychology and recently have been looking for a metric of trust. I found that Rotter's Interpersonal Trust Scale (IST) is widely used, so I checked the original paper published by Rotter ...
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DSM-5 Assessments for App (electronic) use [closed]

I'm a budding entrepreneur building an app in the health and wellness space. As a part of the onboarding and user journey experience, I'm thinking of incorporating all DSM-5 assessments in my app, ...
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1answer
46 views

Measuring postsynaptic potential vs action potential at axon hillock?

I have been reading literature regarding Neuronal potential measurement. Conventionally, researchers use electrode-based method to measure action potential. However, as it's of high invasiveness and ...
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1answer
40 views

Method and sample size to test validity and reliability of a scale/ survey

I am working on a project where I need to use a scale to measure certain psychological and political positions. I have a questionnaire that is used in the US, and whose validity was tested there quite ...
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2answers
4k views

What is the most comprehensive system of describing human emotions or states of mind?

Reading about the human mind, I sometimes come across attempts to classify human emotions using various scales. The one that comes to mind most often is the 6 scale circle model shown below. Is ...
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Where and why would "skill" not increase monotonically with time invested?

I'm a fan of games and activities with steep learning curves and high skill ceilings, and very precarious lines between success and failure. Such success may not be strictly linear or predictable (e.g....
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30 views

Horror Movies, PTSD and The Mere-Exposure Effect

Some people say that they get PTSD from horror movies, yet there are some researches done that claim that horror movies help fight against stress and even PTSD. https://www.nationalgeographic.com/...
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1answer
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What is the best method for identifying single participants in EMA studies?

I am currently working on an ecological momentary assessment research project. I can't seem to find a clear answer in literature review to this question. My problem is when observations reach to ...
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49 views

Non-binary scores for backward digit span (BDS)

A common test of memory span is to display or utter a sequence of numbers and then request that a candidate being assessed repeat that sequence of numbers in reverse order. Typically, the candidate's ...
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1answer
710 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
2k views

What is the correlation between Grade Point Average (GPA) and intelligence?

What is an authoritative empirical estimate of the correlation between pscyhometric measures of intelligence and Grade Point Average (GPA)? What are the main factors that influence the size of the ...
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2answers
56 views

Do we learn to improve our working memory capacity without sitting WM tests?

Do we learn to improve our working memory capacity without sitting WM tests? Working memory capacity can be measured, but I wondered whether the only way to improve it is learning techniques for ...
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3answers
1k views

Affective Neuroscience Personality Scales

I wonder if anybody could give some details about Affective Neuroscience Personality Scales. I tried to access 'The Affective Neuroscience Personality Scales: Normative Data and Implications' by ...
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How does cognitive load and learning effect compare in carousel vs. matrix views of a likert study?

I am looking for any papers or analysis on the use of a carousel vs. a matrix layout for a likert-style study. I have the broad impression a carousel is used for images or certain studies where each ...
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0answers
12 views

Is Cronbach's alpha used outside of psychology?

Tau-equivalent reliability ($\rho$$T$), also known as Cronbach's alpha is a widely used measure of reliability in psychological testing. I've not encountered Cronbach's alpha in other sectors. Does ...
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1answer
171 views

Can rationalization be objectively recognized?

In psychology and logic, rationalization or rationalisation (also known as making excuses[1]) is a defense mechanism in which controversial behaviors or feelings are justified and explained in a ...
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3answers
32k views

How can we scientifically measure love?

I want to understand the psychology of love, and I found the Triangular Theory of Love on Wikipedia from this question, which I think is very believable. However, there is a big section on mixed ...
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Best tests or questionnaires to measure person's ability to love

What are the best methods (questionnaires/tests/etc) to measure ability to love? So far I see those Light Triad Test (described in Scientific American) Big Five personality traits (OCEAN model) - ...
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R. Beech's Frustration tolerance questionnaire - anyone knows it?

This questionnaire should be for assessing frustration tolerance, author should be " an Americam psychologist R. Beech". My 13 y/o daughter´s civics teacher gave to all pupils in her class ...
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1answer
83 views

How to measure confidence in non-binary (e.g. ordinal) choice tasks?

In metacognition literature, why is confidence, regardless of scale (Likert-type or continuous) and definition (e.g. decision confidence as a subjective probability of a decision being correct), ...
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2answers
237 views

How are IQ test scores affected by psychological stress or trauma?

Does mental stress or trauma have a significant impact on IQ test performance relative to baseline, and if so, how much? For example, if a person is affected by abuse, bullying, neglect, or some other ...
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Neuroscience & Epistemology - Feedback in Hermeneutic circle of Theory and Experiment

How good is neuroscience at closing this Hermeneutic circle in the Philosophy of science? I am referring to the interplay of theory and experiment. This is depicted in the following figure: ...
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601 views

Have IQ-type measures been tried for other animals?

Despite the obvious difficulties pertaining to definition and measurement, and the various controversies surrounding the use of IQ-type scores in human beings, it seems unquestionable that there are ...

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