Note that we use 2 degrees of freedom for condition main effects, 1 degree of freedom for the gender main effect, and 2 degrees of freedom for interaction. Explain the meaning of the following null...

Note that we use 2 degrees of freedom for condition main effects, 1 degree of freedom for the gender main effect, and 2 degrees of freedom for interaction. Explain the meaning of the following null hypotheses:

(a) H₀: ζ₁
= 0.

(b) H₀: ζ₂
= 0.

(c) H₀: δ₁
= 0.

(d) H₀: δ₂
= 0.

(e) H₀: β = 0.