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If a child cannot produce an enzyme that is required for normal development,resulting in an accumulation of poisons that eventually cause profound intellectual disabilities,the child has a disease known as __________________.
Census Data
Comprehensive collection of information about population demographics, economic activity, and living conditions, compiled by government surveys.
Group Assignment
The process of allocating participants into different groups, such as experimental or control groups, within a study.
Operational Definitions
Explicit, precise statements about how variables are measured or defined in the context of a research study.
Research Questions
Specific questions that a study seeks to answer, guiding the direction and focus of the research.
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