Psychology and Neuroscience Stack Exchange
Psychology and Neuroscience Stack Exchange

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.

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.

434 questions
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Accuracy and precision of wearable devices to measure galvanic skin response?

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 measurement devices but not for devises that measure at…
user2503795
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6
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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 four questions contains numerical, logical, and…
user8025
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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 rarity, the apple bark bug is not well understood. (c)…
user3116
5
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1 answer

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 for these 20 participants arguably has no…
Austin
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4
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Do you need need to have an above average IQ in order to have a reasonable chance of successful career in STEM fields?

Particularly engineering, computer science, math. I came across this quote from someone who specializes in psychometrics in response to this question. Is it scientifically proven if hard work in STEM fields can compensate for a medium/low…
Eric Gumba
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4
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2 answers

What techniques can be used to differentiate between correlation and causation?

Psychology is unique among other medical sciences in that it cannot ask test participants to like, prefer or support something. As such a vast body of psychological studies are purely observational and can find correlation but not causation. For…
Reverent Lapwing
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3
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What is the appropriate action when using poorly worded scales from previous literature?

I work with questionnaire data and am fairly sensitive to good practice in questionnaire construction. Usually I generate my own, but when I draw on existing literature to use reliably reproduced measurement scales, sometimes the items are poorly…
Adb
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3
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1 answer

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 in 1967. But I didn't found the scale per se, and…
Neno
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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 the Avoidance and Inflexibility Scale…
Michele Dorigatti
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1 answer

Schwartz Value Survey (SVS)

I am looking for the Schwartz Value Survey (SVS; Schwartz, 1992). I seem to have found a copy here in the appendix of this paper but I'm not quite sure if it is okay to use it the way it is presented, or if I need permission to use this scale in my…
tacendus
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How the percentage of disability is measured in India in case of autism, ADHD, learning disability etc?

How the "percentage" of disability is measured in India in case of cognitive difficulties such as autism, ADHD, learning disability, intellectual disability etc?
user13859
2
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Best sensor/wearable to measure ppg and/or gsr

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 lot of bands but mostly discontinued (Microsoft band…
Joao Melo
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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 reasoning test?
gndz
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How to add fixation cross on grey screen using psychopy?

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 duration of 90 seconds. the black cross should…
shepard_german
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Can anyone help me in choosing the suitable statistical analysis for my research?

I have conducted an experimental research last week. The research topic is about Influence of Voice Assistants on Satisfaction, Attitude and Purchase Behaviour. I had 46 participation in total and 23 participant for each control and experiment…
Anil Coskun
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