An Index of Utility Can Be Distinguished from Both an Index

question 66

Multiple Choice

An index of utility can be distinguished from both an index of reliability and an index of validity in that an index of utility can tell us something about

• A) how consistently a test measures what it measures in a particular context.
• B) whether a test measures what it purports to measure in a particular context.
• C) the practical value of the information derived from what a test measures.
• D) None of these

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Definitions:

Selective Gene Expression

This describes the process by which certain genes are activated to produce a specific set of proteins in different cell types, conditions, or stages of development.

Cell Differentiation

The process by which a less specialized cell becomes a more specialized cell type, crucial in development and specialization of functions.

Embryo

In animals, a developing individual from first cleavage until hatching or birth; in humans, usually refers to an individual during weeks 2 to 8 of development.