The Extreme Group Method and the Point Biserial Method Are

question 39

Multiple Choice

The extreme group method and the point biserial method are both used to estimate

• A)reliability.
• B)validity.
• C)discriminability.
• D)difficulty.

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Definitions:

Electrical Charges

A fundamental property of matter that causes it to experience a force when placed in an electromagnetic field. There are two types: positive and negative.

Emptiness

In philosophic and spiritual contexts, a concept highlighting the absence of inherent existence or essence in phenomena; in everyday use, the state of being empty.

Eddington

Sir Arthur Stanley Eddington was a British astronomer, physicist, and mathematician known for his work in astrophysics and for his popular science writings.

Substances

Material or matter with distinct physical properties, forming the fundamental components of the physical universe.