When reporting the degrees of freedom for a One-way ANOVA, which is reported first in the APA format, the within or the between df? Decide if the following study is either a within or a between...

When reporting the degrees of freedom for a One-way ANOVA, which is reported first in the APA format, the within or the between df?

Decide if the following study is either a within or a between design:

A researcher wants to test how much alcohol it takes to affect a person's reaction time. She gives four different doses of alcohol (.05L, .10L, .15L, and .20L) to the same group, over a span of four days, and then measures their reaction time on a task.