The observation "If it looks like a duck, walks like a duck, and quacks like a duck, then it is probably a duck" illustrates the method of
A) moderator variables.
B) constructivist accuracy.
C) procedural judgment.
D) convergent validation.

Question

Quizplus · Accepted Answer

The observation illustrates the method of convergent validation, which is a process of establishing the validity of a measurement by correlating multiple approaches to measure the same concept. If different methods lead to similar results (e.g., looking, walking, and quacking like a duck), it increases confidence that what is being measured (in this case, "duckness") is accurate.

The Observation "If It Looks Like a Duck, Walks Like