Statistics in Psychology (PSY07202)

A look into the differences of between-subject and within-subject research designs, and how to approach them statistically using the four-step hypothesis method, including the equations and definitions for variance of different scores, standard error of the mean difference, and t critical. Also looks into Cohen's d and how to find it for independent and related samples

T-test for Two Independent /Related Samples for Statistics in Psychology. Includes four-step hypothesis testing, an example, finding t-critical, t-obtained (including s-pool and standard error of the difference), and rejecting the null or alternate hypothesis.