// Analysis of Experiment Activity from Day 1 // import data import delimited activity01.tsv, varnames(1) // anayze experiment // t-test ttest guess, by(group) ttest guess, by(group) unequal // OLS regression encode group, gen(treatment) reg guess i.treatment // OLS regression with robust standard errors reg guess i.treatment, r // ANOVA oneway guess group // F-test equivalent to t-test when only two conditions // F = t^2 // standardized effect size measure esize twosample guess, by(treatment)