In a 4 × 3× 3 × 3 Factorial Experiment

question 157

Multiple Choice

In a 4 × 3× 3 × 3 factorial experiment, you have _____ independent variables and potentially _____ main effect hypotheses.

• A) 3; 3
• B) 3; 4
• C) 4; 4
• D) 4; 3

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Definitions:

Amphibians

Cold-blooded vertebrates that can live both in water and on land, such as frogs, toads, salamanders, and newts.

Mesoderm

The middle layer of an embryo in early development, which gives rise to muscles, bones, and other related structures.

Pituitary Gland

A small, pea-sized gland located at the base of the brain, responsible for the production and secretion of hormones that regulate many bodily functions.

Gastrulation

An early embryonic process in which the single-layered blastula is reorganized into a multilayered structure known as the gastrula, forming the basic body plan.