The Interaction Effect Tests the Effect of One Independent Variable

question 12

Multiple Choice

The interaction effect tests the effect of one independent variable for each level of another independent variable to determine how the independent variables interact to affect the ______ variable.

• A) dependent
• B) independent
• C) confounding
• D) control

---

Definitions:

Developing Root

The growth phase of a plant's root system which involves the formation, elongation, and differentiation of root cells and structures.

Developing Fruit

The growth phase of a fruit from fertilization of the ovary in plants to maturity, involving physiological and biochemical changes.

Sieve Tube Members

Plant cells that are part of the phloem, responsible for transporting sugars and other nutrients throughout the plant in a network of sieve tubes.

Nodules

In botany, swollen structures on plant roots that house symbiotic bacteria involved in the nitrogen fixation process.