Questions tagged [reaction-time]

For questions regarding the elapsed time between a given stimulus and a response, testing this value, and interpreting the results in light of processing

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16
votes
6answers
11k 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 ...
19
votes
5answers
3k views

Is there an R implementation of the linear ballistic accumulator model or Ratcliff's diffusion model for measuring response time and accuracy?

I am looking for an implementation of the linear ballistic accumulator model or Ratcliff's diffusion model (e.g. in R, MATLAB, or Python).
11
votes
1answer
2k views

How to measure group differences incorporating reaction time / accuracy trade-off?

In a psychological experiment I am measuring subjects' reaction time as well as their error rate. Now I would like to compare two groups (males & females). There might be a bias in the sense that ...
4
votes
1answer
178 views

What are the neurological mechanisms behind risking one's own life for another?

Every so often, we hear of people who go that extra mile and put their life on the line (and sometimes, give their life) for another person - whether it is a loved one or a complete stranger (...
6
votes
1answer
597 views

Button box for a reaction time study on OS X

I am running a language production study, and I want to collect reaction times. I am considering getting a button box, because I understand that my laptop (macbook pro) keyboard is not precise enough ...
3
votes
2answers
525 views

Does a general impairment test exist, that specifically would be useful for the context of driving?

We know that alcohol negatively influences a driver's ability to drive. Governments typically combat this by making drunk driving illegal, and use the concentration of alcohol in breath or blood as ...
3
votes
2answers
54 views

Does this rdists package provide actual (predicted) response time for each observation?

With the help of other packages, I've estimated Drift Diffusion model parameters of my data. Now, I want to estimate the predicted (or actual) response times for each observation with the help of ...