Catherine Thevenot

8 Questions 22 Answers 0 Followers

Questions related from Catherine Thevenot

In which case can we NOT conduct a repeated measure ANCOVA ?

I have just read that it is possible to enter a covariate in a design with a within variable when the measures are interdependent. For example : moment of testing (1, 2, 3). But what does...

12 May 2016 5,986 3 View

Do you know a paper in which decision times in young children were not reliable and in which the authors had to rely on the rates of errors ?

In my study 4- and 5-year-old children had to compare quantities in different conditions. I'm not very surprised that decision times are a mess whereas the rates of errors follow a nice and...

08 January 2016 1,709 14 View

What does it mean when the F-value is higher after than before a variable has been entered as a covariate ?

Does it make sense ?

16 December 2014 390 14 View

Does anyone know of a research on the fatigability of the cognitive system (or even brain system) with each additional step to process?

For example, counting dots would progressively slow down with each new additionnal dot or neuron firing rate would progressively decrease with time.

04 June 2014 7,631 8 View

Which test can I use in order to determine whether one correlation is stronger than another one ?

is there a relatively simple formula that I can apply. If not, how can I perform this comparison using Statistica ? (or SPSS but I prefer Statistica)

02 April 2014 2,886 29 View

Do you know a review paper listing the methods that avoid the biases due to verbal responses in neuroimaging studies ?

Limiting motion through training, reducing the impact of motion on fMRI signal or identifying and removing motion artifact seem to be valuable methods for avoiding biases due to verbal responses...

07 October 2013 1,604 2 View

Is there a statistical test comparing the size of standard-deviations ?

I would like to determine whether or not the standard deviations obtained for a category of problem significantly differ from the standard deviations obtained for another group. Do you know a way...

03 September 2013 1,538 14 View

How can I apply an arcsine transformation to my data using Statistica ?

I've got a binary variable : 0 = they used something; 1 = they did not, then I have a total score out of 8 trials for each child and I originally conducted an ANOVA on the scores (that I actually...

25 April 2013 4,769 16 View