People are generally not very good at detecting deception

Quotations are more interesting when the audience is not familiar with the source

Indicate whether the statement is true or false

A researcher is interested in the impact of eye contact (high, moderate, and low), body movement (high, moderate, and low), and polemics (near and far) on the listener's perception of deception in initial interactions. How many main effects are possible in this factorial design?

a. 3 b. 8 c. 11 d. 12