How Do Reliability and Validity Differ? How Do They Complement

question 19

Essay

How do reliability and validity differ? How do they complement each other? Can a measure be reliable but invalid? Can a measure be unreliable but valid? How?

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Definitions:

Science Classroom

A learning environment specifically designed for the teaching and exploration of scientific subjects.

Lab Coat

A protective outer garment worn by scientists and medical professionals in laboratories to prevent contamination.

Eyeball

The round organ in the skull of vertebrates, including humans, that allows for sight.

Human Skeleton

The internal framework of the body, composed of 206 bones in the adult, providing structure, protection, and leverage for movement.