# Tag Info

Accepted

### What tools are available for EEG analysis on the R platform?

Antoine Tremblay has just released an advanced analysis toolbox: http://onlinelibrary.wiley.com/doi/10.1111/psyp.12299/abstract It's missing about half the features on your list, although ...
• 2,414
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### Open-source software for analyzing Electrodermal activity

I have found a list of Python and Matlab packages. I'll summarize them over here. As soon as I have gone through the packages, I'll provide some additional details. Online edaExplorer: Also in Python....

### Is there any good alternative to the International Affective Picture System (IAPS)?

I would recommend the 730 pictures Geneva affective picture database (GAPED). It has been validated worldwide, and the cultural bias is more limited than other image resources. There are general ...
• 451
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### Is there a database of disgusting images for stimuli for experimental study of disgust?

Try the IAPS--International Affective Picture System; they have disgusting images as well as norming procedures and data. You can read about it here and request it (as long as you have a faculty ...
• 2,903
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### What is the difference between RR-intervals and NN-intervals in HRV-data?

The difference is rather simple. NN-intervals refer to the intervals between normal R-peaks. During a measurement, artifacts may arise due to arrhythmic events or faulty sensors, for example (Citi, ...

### What sort of things are considered as "data" in cognitive science?

In The Personality Puzzle (2012), David Funder describes a taxonomy of four different kinds of data that I've always found useful. The Personality Puzzle is a textbook in personality psychology, so ...
• 9,284
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### Should I look at the data of an experiment before the dataset is complete?

Short answer From an ethical standpoint, not including interim evaluations may be bad practice. Background I will start off with a more extreme case than in your question example, just for ...
• 19.6k

### Should I look at the data of an experiment before the dataset is complete?

gjacob is correct that optional stopping is a common research degree of freedom, and one that has a considerable and unfortunate intuitive basis. Yet, depending on the context of your research, AliceD'...
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### How to ask in a survey for emotional vs. rational personality

I know that Helen Fisher, who is a love researcher, has developed a four factor personality model where two of the factors are quite relevant to your question. See (Fisher et al, 2015) for some ...
• 700
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### Is there a list of large-scale, free datasets with psychological variables?

Participants at the last meeting of the Society for the Improvement of Psychological Science developed a list of >100 such datasets with some metadata such as topic, country, total number of ...
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### What sort of things are considered as "data" in cognitive science?

Really, there's two kinds of data in cognitive science, information (the data used by the cognitive systems we're interested in), and experimental data (and similar, such as correlational data), which ...
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### How do you analyse visual analogue scales with an ambiguous response?

I am not an expert on these scales, but my 2-cents worth would be the following, which are simple work-arounds to include all the data: Fine as is; Take the middle of the thick line (the 'average'); ...
• 19.6k
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### In what order do you preprocess EEG data?

You kind of have to do some kind of baseline correction first (or a highpass filter on the unepoched data) because of slow drifting. Lowpass filtering before artifact rejection is fine as long as you ...
• 981
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### How to randomise order of survey items in Qualtrics where some items have to appear together?

There is probably a better way of doing this, but you could probably do this using the block feature in Qualtrics. For example, I often do this when I have several multi-item scales. Each scale is a ...
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### Open source software for analyzing Heart Rate Variability (HRV)

A variety of packages exist that allow the calculation of these metrics. I will describe these packages by category: Software Kubios is a program from Finland that has a nice GUI, in which you can ...
Accepted

### Does the Structured Clinical Interview for the DSM contain a Global Assessment of Functioning measure?

I couldn't find the SCID anywhere on the web. So i did some digging I found one literature search that used the DSM SCID as an example of a semi-structured interview from which GF data could be found (...
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### Is there any good alternative to the International Affective Picture System (IAPS)?

NAPS Marchewka A, Żurawski L, Jednoróg K, Grabowska A. The Nencki Affective Picture System (NAPS). Introduction to a novel standardized wide range high quality realistic pictures database.Behavior ...
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### Categorization studies with a procedure similar to Shepard et al (1961) and Medin & Schaffer (1978)

Of course, the type of data you use depends lot on what your model purports to explain. The way i take your question, you are looking for straight up artificial classification learning experiments. ...

### Fitting a psychometric function when data does not lend itself to a sigmoidal fit

What you are looking for is called Hierarchical, Multi-level or Random-effects model. In your particular case the solution is a hierarchical logistic regression. Assume $y_{st} \in \{0,1\}$ is the ...
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### Which R packages have good collections of psychology datasets?

Another good set of psychological datasets can be found on the website of the European Journal of Psychological Assessment: https://us.hogrefe.com/products/journals/ejpa/special-features There are ...
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### How to fit averaged data to obtain a single psychometric function?

Short answer Averaging psychometric curves may not be the preferred way to pool psychophysical data. background Typically, extracted gold-standard outcome measures from the psychometric curves will be ...
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### How to look for correlations between heart rate and eda

HRV measures Measures of heart-rate variability (HRV) are primarily calculated with the Inter-beat interval (IBI), also referred to as RR-intervals or NN-intervals (see this question). Some variables ...

### Should I look at the data of an experiment before the dataset is complete?

This is an important question! This practice ("optional stopping" if you stop collecting data based on your early analyses, or "peeking" if you continue collecting data) is considered a bad idea ...
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### Is there a list of large-scale, free datasets with psychological variables?

Here this question on the psychology & neuro exchange has several cognitive test datasets. Online data repository of research in the cognitive sciences

### Open fMRI data?

There was recently an issue about repositories for neuroimaging data. I just copied the table listing all of them from this paper. (Feel free to add links, I will do so when I have more time.) Title, ...