Answer
(a) A paired t-test has one factor
(b) An inderpendent t test has one factor
(c) A 1-way ANOVA with 4 treatments has one factor.
(d) A 2x4 factorial ANOVA has two factors.
(e) A repeated-measures ANOVA with 3 conditions has one factor
Work Step by Step
(a) A paired t-test has one factor
(b) An inderpendent t test has one factor
(c) A 1-way ANOVA with 4 treatments has one factor.
(d) A 2x4 factorial ANOVA has two factors.
(e) A repeated-measures ANOVA with 3 conditions has one factor