What Was the Original Numerical Formula of an Intelligence Quotient

question 114

Multiple Choice

What was the original numerical formula of an intelligence quotient?

• A) chronological age divided by mental age multiplied by 100
• B) mental age divided by chronological age multiplied by 100
• C) chronological age multiplied by 100
• D) mental age divided by chronological age

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Definitions:

Endodermal

Pertaining to the innermost layer of the three primary germ layers in the very early embryo, which gives rise to the digestive and respiratory systems among others.

Ectodermal

Pertaining to the ectoderm, the outermost layer of the embryo, giving rise to the nervous system, skin, and various sensory organs.

Germ Layers

The three primary layers of cells (ectoderm, mesoderm, and endoderm) in the early embryo from which all tissues and organs develop.

Ectoderm

The outermost layer of cells or tissue of an embryo in early development, giving rise to the skin and nervous system.