When stating the null and alternative hypotheses, the two main effects are treated as ______.

A) a factorial design
B) single-factor designs
C) independent factor designs
D) dependent factor designs

Null Hypothesis

A default statement that there is no effect or no difference, used as a starting point for statistical testing.

Main Effects

The individual impacts of multiple independent variables on a dependent variable in an experimental setting, rephrased from main effect.

Factorial Design

An experimental strategy where two or more factors are varied, allowing researchers to study their individual effects and interactions.