One way-ANOVA. Analysis of Variance. Let’s say we conduct this experiment: effects of alcohol on memory. Basic Design. Grouping variable (IV, manipulation) with 2 or more levels Continuous dependent/criterion variable H o : 1 = 2 = ... = k What is H alt? How many levels here?.
Analysis of Variance
The p-value is the probability of obtaining an F value as extreme or even more extreme than the one actually observed. So, p-value = P(F > Fobs).