Gary Skolnick

5 Questions 12 Answers 0 Followers

Questions related from Gary Skolnick

How does one compute confidence intervals for the difference between two binomial proportions in SPSS?

I have a relatively small data set of 135 subjects. These are categorized in two dichotomous variable, type of health care and sex. I can use a Fisher's Exact test to determine if sex is...

03 March 2019 8,027 6 View

Would someone point me to freeware for viewing videos saved in dvm file format?

We are trying to review old stroboscopic video fluoroscopy files but no longer have the KayPentax software license. The files are saved as .dvm.

09 September 2015 5,114 0 View

How do we reduce the number of covariates?

We are examining a 200-variable database for factors affecting a discrete dependent variable. What methods are recommended to sift through the potential covariates before running our regression?...

01 January 2015 7,982 4 View

How does one estimate sample size when comparing apples to oranges?

We are interested in comparing head shape between two groups. Unfortunately the data was generated differently for the two groups. (To be specific we used a 3D camera on one group and a laser...

12 December 2014 9,654 19 View

How do we measure perceptual responses to deformities?

We are interested in quantifying perceptual responses to physical deformities. Specifically we will use photos of children with and without cleft lip. Can someone point me to a primer on survey...

03 March 2014 7,089 3 View