Questions tagged [analysis]

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1answer
89 views

Reporting d-prime results

I am currently working on research analysing yes/no responses in a recognition memory task. The false alarm rate is quite high so I have performed a d-prime test and collected d-prime values. Now that ...
3
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1answer
198 views

Unable to run AxoGraph v1.7.6 on macOS 10.15 Catalina

After a recent MacOS update, I am no longer able to run the (latest) AxoGraph software for electrophysiology data analysis on my computer, as I get the following error message: ...
3
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2answers
1k views

Why would someone state that “self-esteem doesn't exist”?

In the video "Self-esteem Doesn't Exist, the author Jordan Peterson clearly seems to argue he doesn't believe in self-esteem, given the title of the talk. However, I do not notice him mentioning ...
2
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1answer
42 views

Temporally truncate BOLD data

I'm analyzing some resting-state data and some of the scans are 10 min while others are 7 min. I need to cut the last 3 min off of those with 10 min scans so everyone has 7 min of resting-state data. ...
2
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0answers
39 views

EDA explorer - artifact detection vs artifact correction

my question is related to this post -> Open-source software for analyzing Electrodermal activity The eda explorer, especially the online version, is quite nice and handy. However, it does not provide ...
4
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0answers
74 views

The same neuron sometimes released different neurotransmitters, so how does this affect our interpretation of computational models?

Most studies I see compare firing rate with some observed variable (stimuli or behavior). However, they treat all spikes the same. But neurons sometimes release different neurotransmitters depending ...
1
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2answers
87 views

Using the median for non parametric (Likert) data, when it gives you a decimal place

My colleague and I are working with non-parametric Likert data. We have been taking the median, but just realised that we are still getting values of say 2.5 or 1.5. Our justification for using the ...
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3answers
112 views

EEG analysis free software?

I'm looking for free software for EEG data processing. What free or opensource software packages are available for analyzing raw EEG data?
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0answers
24 views

Reporting results of a Mann Whitney U test when the medians are equal

In the APA guidelines of reporting non-parametric tests they suggest reporting the median results when using non-parametric tests (http://evc-cit.info/psych018/Reporting_Statistics.pdf - search for '...
1
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0answers
40 views

How to analyse skin conductance in r studio? [closed]

Anyone knows if skin condutance may be analised by some package in r studio? I have a signal in txt.file and I need to analyse, however I dont have any tool or software to do this beyond the R.
3
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0answers
47 views

Does anyone have R code for analyzing skin conductance data?

Similar question here Open-source software for analyzing Electrodermal activity But with no R code answers provided, and the online EDA explorer appears to be unavailable now. I am looking for code ...
3
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2answers
171 views

System 1 and 2 thinking and unconcious

Research says there is system 1 and 2 thinking. My question is how is system and and 2 thinking related to unconcious mind? Can we say for example system 1 thinking is unconcious mind?
2
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1answer
258 views

How do I choose the correct sigma when applying a Gaussian filter to a fixation density map?

I am currently analysing some eye tracking data which I recorded in the lab. For my fixation density maps I calculate tables showing the number of times participants made a fixation at a specific ...
2
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1answer
67 views

Study on the learning of programming concepts in pre-university students

I want to investigate the ability of a group of students to learn programming concepts in one hour. The students are grouped by ages: 6 - 17. The tasks are divided into concept and type. Each concept ...
1
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0answers
25 views

Is it okay to use “fixed number of factors” in EFA after contradicting results from MAP test and eigenvalues?

I need help with my data analysis. I am using a non-validated translated questionnaire in my survey. The purpose of it is not to validate the measure in a different language and its construct validity,...
4
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1answer
213 views

Thesaurus for types of psychological projections

Thanks to Berne, there is an plethora of "games people play" between people based on pattern analysis of social interaction. Now, is there a comparable approach to analysis of psychological ...
3
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1answer
51 views

What statistics can compare individual survey responses & others that were measured as a group (from which we need to extract individual responses)?

The organization I belong to studies indigenous populations through primarily survey research. One study for example aims to identify the relationship between culture and the evaluation of odors. We ...
4
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1answer
40 views

When to use standard versus moderator regression techniques for the most parsimonious approach?

I know how to run multiple regressions (SMR, HMR, and MMR) in SPSS but I'm still a little vague on when it's appropriate to use each of them to achieve the best and most parsimonious result. (SPSS ...
5
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2answers
64 views

How to statistically test whether parents and children share similar humor styles?

I have data from children and their parents on their humor styles (using the Humor Styles Questionnaire by Martin (2003)). For the adult version: It's a 32-item measure, with 4 subscales for each ...
5
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1answer
77 views

Is there a guide on exactly how to report outputs (regression, anova, correspondence analysis) in APA?

I would like to report statistical findings after quantitative data analysis in APA format. Is there a guide on this? I've not been able to find any. I'm using SPSS but I'm sure it would be similar ...
2
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0answers
69 views

Temporal and frequency analysis of brain network to study autism disorders

I know it has shown in the literature that autism disorder affects brain network connectivity based on rs-fMRI data (Plitt, Barnes, & Martin, 2015). They have local over-...
5
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1answer
201 views

Calculate threshold from 'binary' yes/no data

For various reasons, I have a crappy experimental design that I am forced to deal with. I present subjects with 20 yes/no trials, out of which 5 are no-signal catch trials and 15 are signal trials. ...
3
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0answers
53 views

Which filter should be applied to the EEG signal for the stress stimulus? [closed]

I am a student in electrical and electronics engineering. I just started working with EEG. I perform a stress test on subjects and record EEG activities with a 5-sensor headset. I use Matlab for ...
3
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0answers
42 views

What is the effect of Gibbs artifact on multi voxel pattern analysis?

I have collected a EPI BOLD sequence data using Siemens skyra 3T. The voxel size is 3x3x3 mm^3. TR = 2s. I am seeing Gibbs artifact similar to the image: People have suggested to smooth the data to ...
3
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1answer
4k views

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

For example, I have power spectrum density calculated by pwelch ...
3
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1answer
307 views

How to denoise and get rid of 1/f trend of a PSD in an EEG synchronization experiment

I'd appreciate some help from you guys. I'm currently analyzing an experiment where I've entrained participants to these frequencies: Condition 1: 4.16Hz-8.33Hz Condition 2: 2.77Hz-8.33Hz ...
1
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0answers
785 views

How to determine percentile rankings for responses to for Big5 Mini-Markers test?

I'm writing a big 5 personality test using Big 5 Mini Markers by Saucier, as described here: http://pages.uoregon.edu/prsnlty/SAUCIER/Saucier.Minimarkers.Full.pdf Given that most markers have about 0....
3
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1answer
3k views

Open source software for analyzing Heart Rate Variability (HRV)

Heart rate variability (HRV), the change in the time intervals between adjacent heartbeats, is an emergent property of interdependent regulatory systems that operate on different time scales to adapt ...
5
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1answer
177 views

How to analyze event-related fMRI data with missing fMRI trigger in logfile?

I have the following problem: we conducted an event-related fMRI experiment using Presentation software to display the experiment. Usually each fMRI pulse/scan is logged in the presentation log file ...
2
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0answers
138 views

EEG electrode cluster selection

Is there a good review paper on electrode selection in EEG analysis to avoid the problem of double dipping (Kilner, 2013)? This is a well documented issue in neuroimaging (Kriegeskorte et al, 2009; ...
5
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1answer
136 views

Importing EGI eeg binary format data into R?

Are there R packages/functions for importing EGI eeg data format into R?
5
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1answer
355 views

In what order do you preprocess EEG data?

I am fairly new to EEG research and I am unsure what the best ordering is for preprocessing data. Do you correct for baseline and filter the data before you go on with artifact rejection/correction, ...
5
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1answer
2k views

Why is my SPM batch job printing a warning repeatedly?

I'm aware of the ambivalence of cogsci.stacexchange with regards to asking questions about code, but this question really is about SPM, specifically, so I think that the domain-specific nature of my ...