This intermediate statistics course is intended to give students familiarity with statistical tools used to analyze data in a variety of disciplines including psychology and provides experience reading and understanding studies based on data analysis. The focus is on understanding underlying concepts rather than on memorizing mathematical formulas. Students use R to analyze data and gain experience reading output and translating it into meaningful findings. The course covers linear regression different types of analysis of variance (ANOVA) including factorial analysis of covariance (ANCOVA) and repeated measures as well as effect sizes and power analyses. Harvard Extension School students may not take both https//extension.harvard.edu/academics/courses/sections/PSYC/1900PSYC E-1900 and https//extension.harvard.edu/academics/courses/sections/PSYC/1900STAT S-150 for degree or certificate credit.