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

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41 views

What is the best way to structure an ethnographic study?

I'm writing an ethnographic study for a human computer interaction module and I understand all the processes of conducting ethnography. I am unsure of how to structure my study. Is it conventional ...
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281 views

What's the difference between inductive and deductive research in cog sci?

I'm not really clear on what the implications are for inductive vs deductive research methodology and analysis. Any examples or input would be great!
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0answers
7 views

Creating non-linear neuron model from linear and actual rates

In "Theoretical Neuroscience" by Dayan and Abbott, section 2.2 "Estimating Firing Rates", it describes how by using a linear model in combination with averaged experimental firing rates you can ...
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0answers
17 views

Is truth serum used in any psychiatric or psychoanalytic practices?

Is sodium thiopental (truth serum) used in any psychiatric or psychoanalytic therapies? I presume it is legal for use, since it is Schedule III, and it is administered in surgeries. It clearly has ...
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0answers
14 views

Quest procedure convergence after random answers

I use Quest procedure to find threshold for stereo disparity changes of a stimuli. I use a C++ implementation derived from the one in Psychotoolbox and I wonder whether the behaviour I observe is ...
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0answers
78 views

Before and After survey. How to achieve this online [closed]

I was recently given a project by my professor. I am to provide a Before and After survey regarding sickle cell anemia. One survey is to be provided before a video that talks about sickle cell anemia. ...
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0answers
30 views

Accuracy of methods for detection of dementia in EEG [closed]

I found these methods mentioned in bioengineering and other papers: Fractal Dimension Measure, Probability Density Function of the Zero-crossing Intervals, Approximate Entropy But I think every of ...
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0answers
38 views

How to identify participants answering online questionnaires who have not paid attention? [duplicate]

I often analyse data that involves participants completing a selection of psychological tests online. A concern with online testing is that some participants may not complete the task conscientiously. ...
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2answers
72 views

Is cognitive science hypothesis-based or bound to strict experiments involving statistics?

When I look at medical journal articles on Google Scholar I see a lot of stuff based on double blind placebo tests. From this, I've gathered that medicine often performs experiments. I've been in ...
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17 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 ...
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1answer
77 views

What is a good rough rule of thumb regarding required sample size for questionnaire studies?

I need to perform a questionnaire as part of my final project. What are the quick-and-dirty rules for knowing how many respondents I need to get meaningful results?
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6 views

fmri onsets, missing pulse logs - what is the minimal information necessary to be analyze experiment?

Very basic, probably stupid question, but help is very much appreciated. I am running an fmri-experiment (block design), which was programmed in java (not by me) and has been used before. Trying it at ...
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7 views

the use of life grid technique to overcome recall bias in a case control study

Can anyone give insights into the use of the life-grid technique to overcome recall bias in a young adult population? My study requires participants (aged 19 to 30 years) to recall information of ...
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17 views

How are hypotheses or 'regions of interest' selected in an exploratory ERP study? [duplicate]

For instance, in a research area where there are no directly relevant ERP studies to provide a rationale for specific hypotheses. I recall hearing about data-driven selection of components to analyse,...
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2answers
194 views

Should questions in psychology always be objective questions? [closed]

Is it correct that a subjective question is not a psychological question? I.e. for a question to be psychological, must it be an objective question? E.g. a question about an objective probability ...
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1answer
63 views

Build model to explain data [closed]

I'm not a psychology student, but I'm doing a subjective experiment which is similar to magnitude estimation: simply measure the effect of different stimulus through a number from 1-10. Now I need to ...
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1answer
59 views

How do you make psychology experiments? [closed]

Have you used Inquisit, E-Prime, DirectRT, or Qualtrics to make psychology experiments? I worked in a psychology lab as a programmer and I thought these programs felt very outdated and not user ...