Because Correlational Studies Cannot Control Extraneous Variables, These Factors Can

question 85

Short Answer

Because correlational studies cannot control extraneous variables, these factors can provide alternative explanations for the obtained correlation; these factors are sometimes called ________ variables.

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Definitions:

Stem Tissue

The supportive and conductive tissues in the stem of a plant, responsible for transporting nutrients and water throughout the plant.

Whisk Ferns

Primitive, seedless vascular plants belonging to the genus Psilotum, characterized by their simple, whisk-like appearance without true leaves or roots.

Dichotomous Branching

A form of plant or fungal growth where branches repeatedly divide into two parts, leading to a 'Y'-shaped pattern.

Xylem

The vascular tissue in plants responsible for the conduction of water and nutrients from the roots to the rest of the plant.