Account for confounding variables using multivariate regression models

Confounding variables affect the relationship between predictor and outcome variables. http://www.scalelive.com/confounding-variables.html

Between-subjects statistics for three or more groups in SPSS

Conduct between-subjects statistics in SPSS. http://www.scalelive.com/between-subjects-statistics-for-three-or-more-groups.html

Read the newest publication from Dr. Eric Heidel, Owner and Operator of Scale, LLC and Research Engineer! http://www.scalelive.com/statistical-forum/causality-in-statistical-power-isomorphic-properties-of-measurement-research-design-effect-size-and-sample-size

Understand how sample size affect statistical power. http://www.scalelive.com/statistical-power-and-sample-size.html

Conduct Poisson regression in SPSS

Conduct Poisson regression to predict for count outcomes in SPSS. http://www.scalelive.com/poisson-regression.html

Conduct Friedman's ANOVA in SPSS

Conduct Friedman's ANOVA in SPSS. Post hoc Wilcoxon tests are included to explain significant main effects. http://www.scalelive.com/friedmans-anova.html

Inter-rater reliability tests how much agreement exists between independent raters. http://www.scalelive.com/inter-rater-reliability.html … #statistics