Glossary F

Four-fifths rule it is when the selection ratio for one group (for example, females) is less than 80% (four fifths) of the selection ratio for another group (for example, males), adverse impact is said to exist.

Fourteenth Amendment refers to the amendment to the U.S. Constitution that mandates that no state may deny a person equal protection under the law.

Fourth Amendment refers to the amendment to the U.S. Constitution that protects against unreasonable search or seizure; the amendment has been ruled to cover such privacy issues as drug testing, locker and office searches, psychological testing, and electronic surveillance.

Fovea refers to a part of the eye located in the center of the retina that is largely responsible for the sharp central vision people use in activities such as reading or watching television or movies. Moreover, Fovea is the area in the center of the human retina specialized for acute, detailed vision; a small area in the center of the retina in which cones are concentrated; the area of sharpest vision.

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Fractious means irritable; cranky. Also means unruly.

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Fragile X refers to an inherited disorder caused by a defective gene on the X-chromosome which causes intellectual disability, enlarged testes, and facial abnormalities in males and mild or no effects in heterozygous females.

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Fragile-X syndrome refers to a chromosomal abnormality in which one area on the X chromosome is pinched. Children with Fragile-X syndrome typically suffer from moderate mental retardation. Moreover, Fragile-X syndrome is defined as a pattern of abnormality caused by a defect in the X chromosome resulting in mental retardation, learning problems, and unusual physical characteristics. Fragile-X syndrome is also spelled Fragile X syndrome (see Fragile-X syndrome)

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Deutsch: Fragmentierung / Español: Fragmentación / Português: Fragmentação / Français: Fragmentation / Italian: Frammentazione

Fragmentation in the psychology context refers to the disintegration or breakdown of an individual's cohesive sense of self or identity. This can manifest in various ways, including dissociation, memory lapses, and emotional instability. It is often associated with trauma, severe stress, and certain mental health disorders.

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