All Questions
Tagged with psychometrics or measurement
439 questions
2
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52
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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 ...
- 535
2
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1
answer
72
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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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0
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0
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47
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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 ...
- 111
1
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0
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82
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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 ...
- 117
0
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1
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252
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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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0
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994
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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 ...
- 11
2
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0
answers
25
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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. ...
- 201
4
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0
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41
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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 (...
- 201
2
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1
answer
36
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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, ...
- 671
3
votes
1
answer
100
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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 ...
- 131
1
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1
answer
74
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Psychological analysis of diary data [closed]
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 ...
- 149
3
votes
1
answer
157
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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 ...
- 31
1
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0
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15
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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, ...
- 11
0
votes
1
answer
166
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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 ...
2
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0
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44
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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....
- 121
2
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0
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105
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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/...
0
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1
answer
36
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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 ...
- 101
2
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0
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81
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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 ...
2
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0
answers
40
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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 ...
- 121
1
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0
answers
19
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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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1
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0
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67
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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) - ...
- 111
4
votes
2
answers
4k
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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 ...
- 165
2
votes
1
answer
104
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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), ...
- 23
2
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1
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87
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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 ...
- 121
1
vote
2
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219
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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 ...
- 23
2
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1
answer
52
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Updated list of the most used and reliable quantitative tests in Psychology
I studied Psychology some years ago and 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 out of ...
0
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0
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51
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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?
- 139
3
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2
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315
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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 ...
- 141
1
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0
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50
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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 ...
- 11
2
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0
answers
20
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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 ...
- 121
3
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1
answer
122
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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 ...
- 31
0
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1
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509
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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 ...
- 1
4
votes
2
answers
394
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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 ...
- 41
1
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0
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44
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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 ...
- 11
0
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0
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25
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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 ...
- 1
1
vote
0
answers
42
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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) ...
- 151
-1
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1
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405
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How can we measure the levels of Frustration? [closed]
Any technique or Matrix or Questionnaires, Qualitative or Quantitative Analysis
1
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0
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236
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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 ...
4
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0
answers
375
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 ...
3
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0
answers
14
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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 ...
- 31
0
votes
1
answer
335
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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 ...
- 135
7
votes
2
answers
238
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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 ...
- 171
2
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1
answer
3k
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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 ...
- 23
1
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0
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23
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Why does an image seem smaller through a pinhole when viewing with human eye
I was chewing gum when I took the Trident gum wrapper and rolled it into an open cylinder with a diameter of about 1.5mm (give or take 0.15mm). When I look through the gum wrapper (I have to put it ...
- 11
0
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0
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65
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Whole brain death diagnosis and false positive
In view of the increasing need for organ transplants( possibly because of the greater ability of the surgeons and physicians to both execute the transplant, prevent a rejection, and/or diagnose the ...
1
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0
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21
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Is AFQT geared towards estimating crystallized intelligence?
In a few papers I have read claims that AFQT is geared largely (mostly?) towards measuring crystallized intelligence.
However, https://study.com/academy/popular/difference-between-the-asvab-afqt....
- 111
1
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0
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47
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Finding percentile ranks for questionnaires and psychometric tests
I am using a Levenson's Self-Report Psychopathy Scale to divide participants into two groups (high v low scores). I have selected participants based on them scoring in the top or bottom 25% of ...
- 111
2
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0
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28
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Is there a subfield of psychometrics focused not on test questions but "high-resolution" "behavioral" data?
I'm new here but I thought y'all would be the best place to ask.
Is there some research sub-community that studies how to measure psychological constructs and processes when you have high-resolution ...
- 121
3
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1
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272
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How do I get the "Avoidance and Inflexibility Scale"?
I am working with a smoking cessation app and I want to study the acceptance of smoking behaviour. I found a good paper by Gifford et al. (2004) in which the authors use their own questionnaire called ...
2
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0
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77
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Can some one operate 15 points lower during some part of the day and then return to normal?
Few days back I took an IQ test (online mensa norway) and found my IQ score to be 85. I actually had my IQ professionally tested 16 months ago by a psychologist when I was 18, and found out that I am ...
- 21