On an Item Characteristic Curve,the Steeper the Curve

question 5

Multiple Choice

On an item characteristic curve,the steeper the curve,

• A) the more latent the trait is presumed to be.
• B) the greater the item reliability.
• C) the less the item discrimination.
• D) the greater the item discrimination.

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Definitions:

Monozygotic Twins

Twins that are genetically identical because they were formed from a single fertilized egg that split into two.

Dizygotic Twins

Also known as fraternal twins, they are two siblings born from separate eggs fertilized by separate sperm, sharing 50% of their DNA, much like regular siblings.

Heritability

A measure of how much genetic factors contribute to individual differences in a trait within a population.

Cross-Sectional

A type of observational study that analyzes data collected from a population, or a representative subset, at a specific point in time.