Alfonso Magliacano

4 Questions 4 Answers 0 Followers

Questions related from Alfonso Magliacano

Do a survey need to be validated?

Do a survey need, in a same way that for a questionnaire, to be validated for face and content validity? In my mind, a survey includes different questions, each one investigating specific...

21 May 2021 4,150 8 View

Which is the best tool to count eye blinks in an EEG recording?

I should count the number of eye blinks in an EEG recording. For example, I should be able to let the software recognize (e.g. using a threshold) and mark each blink, and then count the number of...

13 March 2020 6,461 2 View

Is it possible (and does it have sense) to calculate absolute risk reduction when no treatment is administered?

I performed a multivariate logistic regression to estimate the role of some baseline variables (e.g. age, sex, etiology etc.) on a long-term outcome (good, bad). I only have one patient group and...

04 February 2020 226 4 View

How to let Acqknowledge auto-detect eye blinks?

I recorded EOG by means of vertical electrodes using EMG module of BIOPAC. Now I would to detect blink rate, but I'm not able to let the software Acqknowledge auto-detect blink. In other words,...

11 March 2019 9,281 2 View