SPSS Cochran Q Test

SPSS Cochran Q test is a procedure for testing if the proportions of 3 or more dichotomous variables are equal in some population. These outcome variables have been measured on the same people or other statistical units. SPSS Cochran Q Test Example The principal of some university wants to know whether three examns are equally difficult. Fifteen […]

SPSS One-Way ANOVA with Post Hoc Tests Tutorial

A hospital wants to know how a homeopathic medicine for depression performs in comparison to alternatives. They administered 4 treatments to 100 patients for 2 weeks and then measured their depression levels. The data, part of which are shown above, are in depression.sav. Data Inspection – Split Histogram Before running any statistical tests, let’s first just […]

Viewing preflight results, objects, and resources (Acrobat Pro)

About preflight results You can view the results of a preflight inspection as a list, as comments, or individually in the Preflight dialog box. In the Results list, mismatches appear according to their severity, with all errors first, followed by warnings, and then just information. An alert icon appears next to each check that did […]