Catherine Thevenot

12 Questions 55 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...

05 May 2016 9,275 4 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...

01 January 2016 1,029 15 View

Does it make sense to enter a covariate when a within measure is involved ?

I'm conducting a study on hemiplegic children who are slower than normal children. Therefore, I enter processing speed as a covariate for the analyses of main effects (i.e., they are slower in...

12 December 2014 1,624 17 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)

04 April 2014 366 24 View

Under which conditions can we "re-use" data in a subsequent article?

I'm conducting a longitudinal study on several age groups and I'd like to publish the data from a transversal approach. However, if I do that, does it mean that I won't be allowed to use this data...

03 March 2014 179 4 View

How can I know whether 11 participants out of 38 who changed their behavior between two tasks means something statistically?

I've got one task A and one task B that are supposed to measure the same thing (participants are either left-handed or right-handed) but 11 participants out of 38 do not show the same result...

11 November 2013 1,929 20 View

Do you know how to test an interaction between a covariate and an independent variable using Statistica or SPSS?

A reviewer is telling me that an interaction of the covariate with the variable under study violates the assumption of the ANCOVA. But how can we concretely test this interaction with Statistica...

07 July 2013 8,663 13 View

How can I apply a power analysis on an interaction in order to show that even if I test more participants, I'll never get the effect ?

The interaction is not significant but I need to show that it is not a matter of a lack of power. What is the simplest way to do so?

06 June 2013 2,001 36 View

Do we need Bonferroni corrections for a series of T-tests that are conducted on different tasks?

I thought Bonferroni corrections were needed when multiple paired comparisons were conducted within the same experiments (for different conditions). Do I really need to apply Bonferroni...

05 May 2013 7,276 70 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...

04 April 2013 10,131 17 View

Sometimes references included in a paper does not count as citations in the Web of Knowledge. Any idea why ?

For example, for Behavior Research Methods, instead of "Paper cited" there is "PubMed related articles". Therefore, the papers cited do not appear as citations for the cited authors, which is a...

12 December 2012 1,003 5 View

Which software is needed to record response times with a Wacom graphic tablet ?

By response times, I mean drawing times

11 November 2012 6,854 16 View