Organic Conditions That Cause Mental Retardation Include Down Syndrome,phenylketonuria and Hydrocephaly

question 198

True/False

Organic conditions that cause mental retardation include down syndrome,phenylketonuria and hydrocephaly.

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Definitions:

Longitudinal

A research design that involves repeated observations of the same variables over short or long periods of time.

Cross-sectional

An observational study type that examines data collected from a population or a representative sample at one particular point in time.

Cross-sectional

A research design that analyzes data from a population, or a representative subset, at one specific point in time.

Longitudinal

A study setup where the same factors are observed multiple times over periods that can be either brief or extended.