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Statistical Testing

Title These resources will help you to: Resource
Introduction to Statistics ♦ Understand variable & data types

Hypothesis testing ♦ Parametric & non-parametric tests

 Video: introduction to hypothesis testing using statistics & some example tests e.g. t-test

 Videodifference between descriptive & inferential statistics, followed by an introduction to inferential

Hypotheses, Tests Statistics & P-Values

♦ Understand hypothesis generation ♦ Frequency distributions ♦ Test statistics & p values

 Video

 Worksheet

Choosing the Right Test ♦ Understand types of data & variable ♦ Choose appropriate statistical tests ♦ Flowchart for statistical testing

 Interactive guide: an introduction to choosing the right statistical test with interactive examples

 Video

 Worksheet

 Worksheet

 Video: MLC session

Correlation ♦ Understand the correlation coefficient and its interpretation

 Video

Chi-Squared Test ♦ Understand the Chi-Squared test for associations between categorical variables

 Video

 Worksheet

Independent Samples T-Test

♦ Understand the T-test to compare means between two unrelated groups

 Video

 Worksheet

Paired Samples T-Test ♦ Understand the T-test to compare means between two paired, repeated, or matched groups

 Video

 Worksheet

One-Way ANOVA ♦ Define, perform, and interpret results of a one-way ANOVA

 

 Videoshorter introduction to ANOVA (5 minutes)

 Videolonger discussion on ANOVA (10 minutes)

Two-Way ANOVA ♦ Define, perform, & interpret results of a two-way ANOVA

 Video

Non-Parametric Tests

♦ To understand the Mann-Whitney Test, Kruskal-Wallis Test, Wilcoxon signed-rank Test, & Friedman’s ANOVA

 VideoIntroduction to parametric vs non-parametric tests

 VideoLonger workshop on non-parametric statistics

Simple Linear Regression ♦ Define regression analysis & regression line ♦ Use least squares to find the line of best fit

 Video

 Worksheet

Regression and Correlation ♦ Calculate the equation of a regression line ♦ Correlation coefficient ♦ Coefficient of determination

 Video

Multiple Regression ♦ Perform regression analysis with more than one independent variable

 Video

 Worksheet

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