Between-subjects database designs are structured around grouping variables. http://www.scalelive.com/between-subjects-database.html #database #statistics 

Retrospective cohort designs help researchers establish relative risk and longitudinal effects. http://www.scalelive.com/retrospective-cohort.html #research 

Validate your statistical findings using the bootstrap method. http://www.scalelive.com/bootstrap.html #statistics #bootstrap #spss 

Cronbach's alpha is an internal consistency measure of reliability used for Likert-type response sets. http://www.scalelive.com/cronbachs-alpha.html #psychometrics #reliability

Compare two observations of an ordinal outcome across time or within-subjects. http://www.scalelive.com/wilcoxon.html

Descriptive statistics are used to describe samples and give context to inferential statistics http://www.scalelive.com/descriptive-statistics.html #statistics 

Curriculum vitae for R. Eric Heidel, Ph.D, Owner and Operator of Scalë, LLC and Research Engineer. http://www.scalelive.com/statistical-forum/curriculum-vitae-for-eric-heidel-phd-owner-and-operator-of-scale-llc-and-research-engineer