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Questions related from Jerry Miller
This issue came up recently in other questions and has me wondering about it. If you have sequential measurements of a continuous variable on the same subjects over time then you can do...
09 September 2017 4,061 11 View
I have behavioral scores that I want to use in linear regression. Should I use the actual scores or standardized scores? The raw scores are approximately normally distributed. I have the...
05 May 2017 4,025 9 View
I have a dataset of several hundred respondents who each answered 100 or so questions having Likert-type responses (e.g., 0 for "not at all" to 7 for "always"). The problem is, as we all know,...
02 February 2017 5,288 5 View
I want to run a Mixed ANOVA in SPSS. I have two levels of between-subjects factors (i.e., group membership), and eight levels of within-subjects factors (eight timepoints) at which subjects were...
06 June 2015 2,752 10 View
I have a dataset where 56 subjects are compared to a reference population norm for height. I evaluated subjects on whether they are above or below the 10th percentile of this reference population...
04 April 2015 9,473 6 View
I have IQ scores and various levels of a different factor that is presumed to influence IQ. Subjects' IQ scores (on average) are different at different levels of this factor. I can show that IQ...
01 January 2015 1,621 4 View
Is it valid to double or triple the size of a dataset in order to simulate a larger population, and would this increase the statistical significance of risk factors? I use logistic regression on...
11 November 2013 6,146 6 View
