Validity Is

question 72

Multiple Choice

Validity is

• A) concerned with the relationships of random error with systematic error.
• B) equal to the true score plus the systematic error.
• C) equal to the true score plus systematic error minus random error.
• D) concerned with the extent to which differences in scores reflect true differences in the characteristic.
• E) concerned with the extent to which differences in scores reflect instability in the measurements.

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Definitions:

Silver Oxide

A chemical compound of silver and oxygen that's used in some batteries and as a mild oxidizing agent in organic synthesis.

Methyl Iodide

A chemical compound with the formula CH3I, used as a methylating agent in organic synthesis.

Keto-enol Tautomerization

Keto-enol tautomerization is a chemical equilibrium between a ketone (or aldehyde) and an enol (an alcohol directly bonded to a carbon-carbon double bond), where hydrogen atoms and double bonds are redistributed.

6-phosphate Ester

Refers to a compound containing a phosphate group attached to the sixth carbon of a sugar or organic molecule, commonly involved in energy transfer and signaling pathways.