Which Form of Mental Retardation Is Caused by the Presence

question 139

Multiple Choice

Which form of mental retardation is caused by the presence of an extra chromosome

• A) Down syndrome 
• B) psychosocial 
• C) phenylketonuria 
• D) hydrocephaly

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Definitions:

Literature Review

A written summary and evaluation of the existing literature on a specific topic.

Variables

Elements or factors that can change and potentially affect the outcomes of a study or experiment.

Pilot Study

A preliminary study conducted to evaluate feasibility, time, cost, risk, and adverse events involved in a full-scale research project.

Experimental Setting

The controlled environment in which experimental research is conducted to ensure consistency and accuracy of results.