Statistics for Behavioral Sciences

A X B interaction alpha analysis of variance ANOVA Summary Table average balls best-fit line binomial table cell chapter chi-square class interval coin column comparisons computed value context correlated groups critical region critical value data set decision rule degrees of freedom deviation scores difference scores dispersion divided Drug equal estimate example expected value experimental design F ratio figure formula H₁ hypothesis testing independent groups level of significance main effects Mann-Whitney measures n₂ normal distribution null hypothesis number of scores outcome pairs Pearson percentile predicted problem proportion of area rank raw score reject H reject the null relationship represent sample data sample mean sampling distribution sampling experiment scale scatterplot score value Skill Spearman rho SSb.t SSbetween treatment SStotal standard deviation standard error statistic subjects t-test tails Teaching Strategy treatment effect treatment means Type I error variable Wilcoxon X₁ z score z statistic zero ΣΧ