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Questions related from Catherine Thevenot
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 9,282 4 View
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 1,039 15 View
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 1,632 17 View
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 376 24 View
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 192 4 View
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 1,934 20 View
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 8,671 13 View
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 2,014 36 View
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 7,284 70 View
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 10,193 17 View
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 1,009 5 View
By response times, I mean drawing times
11 November 2012 6,864 16 View