Lily Is 6 Months Old

question 243

Multiple Choice

Lily is 6 months old. If her proximodistal development is normal, she can:

• A) stand without support.
• B) pull herself to a sitting position and maintain it without support.
• C) hold a crayon in a pincer grip.
• D) balance by herself, if only for a short period of time.

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Definitions:

Estimate

A value calculated from sample data that is used to indicate the value of a population parameter.

Proportion

A statistical measure that represents the fraction of the total number of objects in a particular category relative to the total number of objects in all categories.

Observational Study

A type of study where researchers observe subjects in their natural environment without manipulating variables.

Survey

A research method used for collecting data from a predefined group of respondents to gain information and insights on various topics of interest.