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Questions tagged [methodology]

For questions about experimental and theoretical methods, procedures, and tools used while conducting research in the cognitive sciences.

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2 votes
0 answers
24 views

Question about programming behavioral experiments

Looking to program a behavioral experiment where two people interact via writing done on digitizer pads (like Wacom pads) in real-time. What language would cogsci/compsci people recommend for this? ...
3 votes
1 answer
68 views

Best practice for comparing data between completers and non-completers?

I conducted a study which collected data on a brief one-time intervention at 3 timepoints (pre, post, and one-week follow-up). There were some participants who dropped out between these 3 timepoints. ...
0 votes
0 answers
5 views

Has it ever been quantified the extent to which “culture” influences specifically what kinds of research gets done?

I would like to know about a technique for showing rigorously and quantitatively the way in which certain kinds of scientific research (in psychology) never get done because of cultural reasons, for ...
5 votes
3 answers
2k views

How do Terence Tao's "three stages of rigorousness" relate to cognitive science? [closed]

This is an excerpt from There’s more to mathematics than rigour and proofs of Terrence Tao: The “pre-rigorous” stage, in which mathematics is taught in an informal, intuitive manner, based on ...
0 votes
1 answer
23 views

Is there a way to study the effects of Ex-Post Facto variables using Single-Case Experimental Designs?

Suppose we want to compare patients in different stages of cancer in terms of the dependent variable X. One way is to group them with large sample sizes and compare them using parametric statistics. ...
3 votes
1 answer
71 views

Scientific references and experimental protocols for identifying emotions in animals other than mammals?

QUESTION: Which experimental protocols can be used to study formally the presence or absence of emotions in non verbal beings, such as other animals than humans? Is there a survey about such results ...
1 vote
1 answer
38 views

Averaging across electrodes in P300 to make a figure

I have a dataset in which we expect to evoke P300 peaks in an oddball setting. My part of the project considers building a machine learning model to classify whether a participant saw a relevant ...
1 vote
0 answers
36 views

Are there easy ways to measure own cognitive fitness daily? [closed]

I noticed I have been having quite intense ups and downs in my ability to stay focused and to solve various brain-involving tasks. It seems like these fluctuations have some time-of-day cycle (I hope ...
0 votes
0 answers
36 views

What differences are between behavioralism and functionalism?

Is it correct that behavioralism and functionalism are similar in that they both treat brain or something else as a blackbox, and are only concerned about the relationships between inputs and outputs ...
0 votes
0 answers
18 views

QUEST Staircase Resolution and Accuracy

I am flickering letters on and off to participants, controlled by a flicker rate which I am restricting to integer values. If I want to implement a QUEST staircase to determine the final threshold ...
1 vote
0 answers
33 views

Choice of statistical analysis for correlational study

Good morning, I am writing a dissertation for my master's degree in psychology. I have to do statistical studies on data that I have collected. I want to proceed with a correlational analysis. ...
4 votes
0 answers
94 views

The definition and measurement of Machiavellianism

APA provides the following definition: a personality trait marked by a calculating attitude toward human relationships and a belief that ends justify means, however ruthless. A Machiavellian is one ...
3 votes
2 answers
8k views

How to calculate absolute power for EEG from power spectra density?

For example, I have power spectrum density calculated by pwelch ...
12 votes
1 answer
23k views

What were the long-term effects on the participants of the Stanford Prison Experiment?

It has been maintained by Dr. Philip Zimbardo that the experiment has had no long-term harm on the participants. However, one out of the 24 initial participants, who had suffered a breakdown within 36 ...
7 votes
6 answers
934 views

Which function to use for fitting learning curves?

Background I am fitting learning curves for cochlear implant (CI) users. These folks get a CI, and then need to start learning to understand speech again. They keep on improving for years. Along the ...
2 votes
1 answer
200 views

Slope of psychometric function too steep?

I am in a project where we are preparing a visual decision making experiment which requires participants to detect vertical grating in a patch of dynamic noise (the noise pattern is updated on every ...
2 votes
1 answer
32 views

How are participants kept awake in total sleep deprivation studies?

I've been searching around Google Scholar (e.g., https://onlinelibrary.wiley.com/doi/full/10.1111/j.1365-2869.2009.00767.x, and https://psycnet.apa.org/doiLanding?doi=10.1037%2F0894-4105.21.6.787), ...
1 vote
1 answer
89 views

Response bias in physical and sexual attraction/attractiveness surveys

There are a few potential sources of response bias in surveys intended to measure attractiveness levels of individuals, especially in the context of differences in personal qualities of judges. ...
2 votes
0 answers
31 views

Question about risk of bias tools

I am currently conducting a systematic narrative review for publication and I need to settle on a risk of bias tool. It is a systematic review on mechanisms of change in psychotherapy and therefore I ...
0 votes
0 answers
17 views

why structural studies of the cerebellum (atrophy, segmentation, etc.) always reports LEFT and RIGHT even when laterality is absent from the study?

I have noticed that structural studies of the cerebellum, regardless of the focus of the study (neurodegenerative, autism, alcoholism, drummers) usually report left-sided and right-sided results. Even ...
2 votes
1 answer
233 views

Do ADHD exams necessarily test ADHD or merely ADHD-PI?

I read on reddit and Wiki that the types of ADHD are ADHD-PI (predominantly inattentive), ADHD-C (combined) and ADHD-PH (predominantly hyperactive or impulsive). In a psychological test intended to ...
3 votes
1 answer
821 views

10-BFI test score compiling

I am a physicist and I am doing a survey about musical genre preferences and correlation with a field of study. I want to interpret the results from this test I don't know how to interpret the legend,...
2 votes
1 answer
327 views

How to evaluate the convergence of a staircase?

I have a 2AFC staircase, with transformed up and down method (2up 1 down) or (2down 1 up), with equal step size (at the beginning there are higher step sizes, at the end there are the lower value). ...
3 votes
0 answers
19 views

Self-report measures always correlate? Research legends or the truest truth

Once upon a time a couple years B.C. (BC stands for before coronavirus), when I was a student, I asked my advisor about using two questionnaires in my research. One was some emotional intelligence ...
2 votes
2 answers
71 views

Are there methods of evaluating the effects of psychoactive drugs that use free-form verbal reports?

If one wished to study the effects of a psychoactive drug such as LSD, what strikes me as a natural primary starting point would be to ask participants what they actually experienced. For example, ...
10 votes
3 answers
14k views

Calculating d-prime

I'm currently working on a research that has to use and calculate D Prime values for a task where subjects are presented an image at different speeds and they have to report if they saw the image or ...
18 votes
6 answers
12k views

How to analyze reaction times and accuracy together?

Is there a good way to analyze reaction times and accuracy together, other than MANOVA? I have data from an experiment in which participants had to respond to stimuli in two different conditions in a ...
25 votes
11 answers
5k views

How can I create computer based psychology experiments using OS X?

I've used E-prime to create computer based psychology experiments (you know, the kind where you for example show a number of pictures to the participant and record their responses to them, for example ...
2 votes
0 answers
36 views

New methods of treatment of psychological trauma?

Classical methods of psychological treatment of trauma help many people, but there is always a percentage of the patients those are can’t be healed with classical methods like Drug interventions, ...
2 votes
0 answers
63 views

Reducing self-selection bias by controlling for motivation to fill in the survey

The self-selection bias refers to the overrepresentation of people willing to participate in research among studies' participants. The bias could be particularly relevant in surveys relevant to ...
2 votes
1 answer
91 views

What are shortcomings of query bases tools for measuring Situation Awareness?

A review compared many different ways for assessing Situation Awareness (SA), such as query based tools, external observers and self-report tools. The paper argues that query based tools, such as the ...
0 votes
1 answer
32 views

Which commodity technologies offer useful neuroimaging data?

Do any commodity technologies exist that offer useful neuroimaging data? By commodity I mean lowish cost and not requiring specialist technicians to run. By useful I mean able to reliably provide ...
3 votes
0 answers
86 views

Detecting signs of dementia in EEG signal

I would like to know, how dementia can be recognized in the EEG signal of patients with dementia. What I have found so far: According to (Henderson et al., 2006) subjects with dementia are ...
2 votes
0 answers
36 views

How exactly should the items in the MEC-SPQ be rotated?

citing from the usage instructions of https://academic.csuohio.edu/kneuendorf/frames/MECFull.pdf "The MEC-SPQ was designed for immediate assignment after media exposure. Starting with ...
3 votes
1 answer
89 views

What work has been done studying methodological reforms in psychology after the replication crisis?

Can anyone point me to academic work that systematically studies how standards and methods have changed in psychology as a response to the replication crisis? Thanks.
0 votes
0 answers
468 views

How to determine the sample size for a Confirmatory Factor Analysis CFA

I'm in the process of developing a scale. Overall, my question is how do I determine how many participants to include in my sample for the first Confirmatory Factor Analysis procedure? More ...
10 votes
3 answers
4k views

When is it defendable to use manifest instead of latent variables in psychological research?

In psychology, most of the concepts, theories, ideas etc. of interest refer to latent variables, where a latent variable is one that can't be observed directly. Instead, one has to find a manifest ...
3 votes
2 answers
146 views

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 ...
29 votes
12 answers
11k views

Open source software for running Internet psychological experiments that collect reaction time data

I've often used Inquisit to run psychological experiments online. The software enables delivery of stimuli (e.g., text, images, etc.) and collection of reaction times. Obviously general purpose ...
4 votes
0 answers
58 views

Does the wording of official ethnicity questions influence perceptions in the longer term?

It is well known that the sequence in which questions are asked in a survey can affect answers as earlier questions can influence the frame of mind in which a respondent answers a subsequent question. ...
3 votes
1 answer
43 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 ...
1 vote
2 answers
124 views

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....
6 votes
1 answer
142 views

What is the most robust method for peer grading?

I intend to provide a group task for 30 people, split into 5 or 6 groups. Ultimately, I want them to assess which group delivered the best result (after presenting results in front of other groups) ...
2 votes
3 answers
141 views

What statistical tests should be performed to test effect of trials on response times where each subject has different number of data points?

I am running a behavioral experiment where a number of subjects (=20 in my case) perform a simple cognitive task. The experiment consists of a fixed number of trials (say, 40 in my case). During each ...
4 votes
1 answer
585 views

At what impedances should one gold plate 12.5-µm diameter nichrome wire tetrodes for targeting different brain areas?

Extracellular electrophysiological recordings of rodent brains using tetrodes requires plating them with gold solution in order to achieve appropriate impedances. How does the ideal plating ...
0 votes
1 answer
48 views

In an experiment with animated stimuli, should I accept answers during Animation Time and count it into the Response Time?

In an experimental task where the response time is an important variable to compare two groups with different conditions, and there are animated stimuli (movement), should the response be accepted ...
2 votes
1 answer
100 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), ...
3 votes
0 answers
47 views

Can the administration of self-report measures of craving prompt participants with addiction to experience craving during the experiment?

My research focuses on measuring the neural correlates (through resting-state EEG) pre-post an improvisational music therapy session (MT sessions) in clients with substance misuse. One of my variable ...
24 votes
2 answers
8k views

Free online intelligence test with norm table, high reliability, and must be printable?

I am looking for a general intelligence test which meets the following requirements: available online for free there is a table which translates "points" to IQ (I don't want a hidden online ...
1 vote
0 answers
32 views

Can you prove a psychological theory on a one-person research design?

Famous psychologists have proven their theories on a few subjects (really small sample sizes, like n = 3). Yet, now, we are taught that to prove any psychological theory right, we need to gather data ...

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