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.
395
questions
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27 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....
0
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32 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 ...
2
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0answers
38 views
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 ...
1
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1answer
30 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 ...
1
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0answers
14 views
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 ...
2
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0answers
13 views
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. ...
4
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0answers
26 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 (...
2
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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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28 views
If working memory is dependent on attention, how can one actually measure it?
Correct me if I'm wrong, but working memory (WM) works the following way:
Humans have different capacities for short-term memory storage. How much of that capacity is utilized in any situation ...
3
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1answer
38 views
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 ...
1
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0answers
30 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 ...
4
votes
1answer
36 views
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 ...
2
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0answers
11 views
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, ...
1
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0answers
31 views
Schizophrenia and the second personality [closed]
I was diagnosed with schizophrenia and searched for information about this disease and found it matches what happened to me but there is something I did not find in the articles is that I was feeling ...
0
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1answer
38 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 ...
3
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0answers
28 views
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....
2
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0answers
25 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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32 views
Psychological issues database
I'm aware of DSM and ICD databases as good and well-organized sources of information about clinical mental diagnoses.
But is there any psychological issues database?
(When saying "psychological ...
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0answers
19 views
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1answer
33 views
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 ...
3
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0answers
46 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 ...
3
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0answers
12 views
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 ...
1
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0answers
11 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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0answers
19 views
If a person with Parkinson's disease is young at 20 years of age [closed]
If a person with Parkinson's disease is young at 20 years of age, what should he do to get rid of it and what are its causes?
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0answers
31 views
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) - ...
0
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0answers
23 views
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 ...
2
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2answers
147 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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0answers
18 views
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:
...
2
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1answer
82 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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0answers
33 views
Shifting attention when we respond following a question
I have had people who ask for something and when I start to answer they shift their attention towards something else. I want to understand the common psychological motivation behind this kind of act.
...
2
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1answer
44 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 ...
1
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2answers
97 views
Why do we use relative signals and not absolute signals with EEG?
Most EEG machines use a system based upon differential amplifiers to enhance the signal, a basic differential amplifier has 2 inputs and one output. the device takes 2 signals and outputs the ...
2
votes
1answer
27 views
Update list of the most used and reliable quantitative tests in Psychology
I studied Psychology some years ago, and well, I ended up as a programmer. Now, I'm working on a personal side project to build an API to serve correction for different psychology tests.
Since I moved ...
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0answers
23 views
Evidence for differences in resilience between generations
There is a lot of talk of younger generations being "softer" but is there any evidence for differences in resilience or hardiness between generations?
3
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2answers
121 views
Why are most psychological studies not controlling for IQ and personality scores of their respondents?
Consider for exemple the stereotype threat, of which a recent meta-analysis can be found here. People try to assess how can a stereotype might explain a difference between two groups.
However, they ...
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0answers
20 views
What are the benefits or pitfalls of including an aggregate score (sum or average) for 3 measures of well-being?
I am asking this question to assist with my work in the setting described below, and am working on the below mentioned spreadsheet as I write this. I thought this could be an interesting question to ...
2
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0answers
9 views
Retest-Reliability of index "Working Memory" in Wechsler Adult Intelligence Scale (WAIS-IV)
I am desperately researching the retest-reliability of the index "working memory" in the Wechsler Adult Intelligence Scale (WAIS-IV). Unfortunately, I don't have the original manual at hand ...
3
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1answer
53 views
How many participants are needed for online reaction time studies?
I am a Master's student focusing on psycholinguistics and I am preparing for my thesis. What I will be looking at are register effects and for that I will be conducting 2 online experiments using Ibex ...
0
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1answer
104 views
IQ Heritability: from father vs mother?
I think on Wiki here it is suggested that IQ is inherited to some degree.
But I can't find scientific information on whether it is more inherited from mother or father?
e.g. if both mother and father ...
4
votes
2answers
66 views
Emotional Calculator; How can I mathematically show a decrease in anxiety using an emotional equation?
Disclaimer- I had asked this question in the Math stack exchange, but was encouraged to ask it here.
I'm working on creating an emotional calculator of sorts, for personal use, wherein, whenever I am ...
1
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0answers
40 views
Why have we not yet mastered our understanding of the Placebo effect? [closed]
The Placebo effect states that if you and I are both surgeons and we have 10 alike patients each who are in need of knee surgery's, that if you go and do your operations by the book, and I on the ...
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0answers
13 views
How to obtain percent correct responses from the QUEST data
I'm new to analyzing QUEST data to produce psychometric functions. I am using Psignifit in Matlab for this.
I have this data:
Column #1 has stimulus contrast presented in the first or the second ...
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0answers
23 views
How is the weight of Weschler subscales calculated towards general IQ?
How do the Wechsler IQ (e.g. WAIS III) tests indices (e.g. verbal IQ, performance IQ) and sub-scales contribute to overall IQ? What are the weights of each? If a person scores above 99.9th (maximum) ...
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1answer
85 views
How can we measure the levels of Frustration? [closed]
Any technique or Matrix or Questionnaires, Qualitative or Quantitative Analysis
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0answers
89 views
How to add fixation cross on grey screen using psychopy? [closed]
I want to insert the placeholders "welcome text", "instruction text", "fixation cross" and "thank you text" on the grey screen. The black fixation cross appears in the middle of the screen for a ...
1
vote
1answer
81 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 ...
2
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0answers
13 views
Offical studies/papers of relationship evaluation in mobile apps
There is this heise article https://www.heise.de/ct/artikel/Die-Psycho-Tricks-der-App-Entwickler-4547123.html (unfortunatley in German) talking about manipulative mechanisms in mobile apps. He is ...
0
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1answer
135 views
Equalize/balance brightness and saturation of different colors using RGB (across various monitors)
We want to present different colors to participants in an online experiment (in an HTML/CSS-based application, hence we'll use RGB values). More in specific, we ...
7
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2answers
204 views
What psychological methods exist for dealing with uncertainty?
Curious in finding out if there have been any psychological studies done on uncertainty & what the results of those studies have been.
Have there been any frameworks or methodologies on combating ...
2
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1answer
2k views
Has the Open-Source Psychometrics Project been well received by the community?
I am not a psychologist/psychology student, but I've just recently discovered the Open-Source Psychometrics Project, and I think it's great.
To my untrained eyes, it seems like they have solid ...
