In a 2 × 2 Complex Design,one Independent Variable Was

question 15

Multiple Choice

In a 2 × 2 complex design,one independent variable was shown not to have a statistically significant main effect on the dependent variable.Based on this,we can state that

• A)the independent variable has external validity over the levels of the second independent variable.
• B)for the variable to be considered relevant in this experiment,it must interact with the second independent variable.
• C)it is not a relevant independent variable.
• D)the variable will definitely interact with the second independent variable in this experiment.

---

Definitions:

Phloem

A type of vascular tissue in plants that transports sugars and other metabolic products downward from the leaves.

Xylem

A type of vascular tissue in plants responsible for the transport of water and dissolved nutrients from the roots to the rest of the plant.

Vascular Tissue

A complex system of cells within plants that conducts water and nutrients through the plant body.

Parenchyma

A type of plant tissue composed of living cells, typically having large vacuoles, thin walls, and found in parts of the plant responsible for photosynthesis, storage, and transport.