Regression Analysis • Our objective is to analyze the relationship between interval variables; • Regression analysis is used to predict the value of one variable (the dependent variable) on the basis of other variables (the independent variables). • Dependent variable: denoted Y • Independent variables: denoted X , X , , X 1 2 k 08/29/2022 Towson University - J. Jung 2 Regression Analysis • If we are interested only in determining whether a relationship exists, we may employ correlation analysis. • Regression analysis with two-variables is sometimes called simple linear regression. • Mathematical equations describing their relationships are also called models ...

 

Learning Objective How to pick the right statistical test To pick the correct statistical test you need to know • What your research question asking • The level of measurement of the variables • The distribution of the data Common Statistical Tests • T-test • Mann Whitney U • ANOVA • Kruskal Wallis Test • Chi-Square Test • Pearsons Correlation • Spearmans Correlation • Linear Regression • Logistic Regression What is your research question asking? Choosing a Statistical Test ...