(Scenario III) Suppose the researchers described in Scenario III added a third level of THC (5.6%) and added a third variable, gender. This design would now produce how many unique treatment conditions?
A) 3
B) 6
C) 12
D) 24

Question

Quizplus · Accepted Answer

The design now has 3 levels of THC (0%, 2.8%, 5.6%) and 2 levels of the new variable, gender (male, female), in addition to the 2 levels of alcohol (0%, 0.65%). Multiplying the levels of each variable (3 THC levels * 2 gender levels * 2 alcohol levels) gives 12 unique treatment conditions.

(Scenario III) Suppose the Researchers Described in Scenario III Added