At Birth,Sam Was Found to Have a Genetically-Induced Lack of an Enzyme.He

question 100

Multiple Choice

At birth,Sam was found to have a genetically-induced lack of an enzyme.He is placed on a diet,which includes not eating any foods containing Aspartame.This diet will help prevent the development of an intellectual disability.Sam most likely has which condition?

• A) fragile X syndrome
• B) cretinism
• C) Down syndrome
• D) phenylketonuria (PKU)

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Definitions:

Single-Blind

A study design in which either the participants or the researchers are unaware of which interventions the participants are receiving to prevent bias.

Participant Expectancy

The phenomenon where a participant's expectations or beliefs influence or bias the outcome of an experiment.

Double-Blind

A type of study or clinical trial design in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias.

Correlation

A statistical measure that indicates the extent to which two or more variables fluctuate together.