The Same Lab Is Conducting a Longitudinal Study with Assessments

question 1

Multiple Choice

The same lab is conducting a longitudinal study with assessments at 6, 18, and 30 months. The study goal is to follow a total of 50 infants over the time period. However, when checking the study log you find that already 60 infants were assessed at age 6 months. The graduate student tells you that more infants were recruited because of:

• A) Expected attrition.
• B) Unbiased sampling.
• C) Normal distribution.
• D) All of the above.

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Definitions:

Autism Spectrum Disorder

A developmental disorder characterized by difficulties in social interaction and communication and by restricted or repetitive patterns of thought and behavior.

Infancy

The stage of human development from birth to around 2 years of age, marked by rapid growth and significant developmental milestones in motor, cognitive, and emotional domains.

Dyslexia

A common learning difficulty affecting the ability to read, spell, and write, despite normal intelligence.

Reverses Letters

A phenomenon often observed in early childhood and dyslexia where individuals mistakenly interchange letters within words.