Researchers Control Factors That Might Influence a Dependent Variable by Means

question 10

Multiple Choice

Researchers control factors that might influence a dependent variable by means of

• A) random assignment.
• B) replication.
• C) naturalistic observation.
• D) operational definitions.

---

Definitions:

Member

A term often used in engineering to refer to an individual component of a structure, machine, or mechanism that serves a specific function.

Back Weld

A welding technique where a weld is applied on the opposite side of a previously welded joint to ensure strength and integrity.

Backing Weld

A type of weld applied to the root of a joint for ensuring complete root penetration and to support molten weld metal.