Which of These Is an Invalid Use of the Deviation

question 152

Multiple Choice

Which of these is an invalid use of the deviation IQ to measure intelligence differences?

• A)as a screen for scholastic aptitude in high school seniors
• B)as a screen for cognitive functioning at an assisted-living facility for senior citizens
• C)to study intelligence differences between the preoperational and formal operational stage
• D)to study intelligence differences between young adults who abuse drugs and those who do not

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Definitions:

Ether Solvents

A class of organic compounds with an oxygen atom connected to two alkyl or aryl groups, used as solvents due to their low reactivity and good dissolving properties.

Grignard Reagents

Organomagnesium compounds that are used in reactions to form carbon-carbon bonds.

Organolithium Reagents

Strongly basic compounds used in organic synthesis, characterized by a direct bond between a carbon and a lithium atom.

Grignard Compound

A reagent in organic chemistry, typically R-Mg-X, used for forming carbon-carbon bonds.