At What Stage Is the Fetus's Heart and Brain Well

question 30

Multiple Choice

At what stage is the fetus's heart and brain well developed?

• A)at 8 weeks
• B)at 12 weeks
• C)at 14 weeks
• D)at 16 weeks

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Definitions:

Chi-Square Test

A statistical test used to determine the likelihood of observed frequencies in a categorical dataset differing by chance from expected frequencies.

Nominal and Ordinal

Pertaining to the types of data measurement scales; nominal scale categorizes data without a numerical order, while ordinal scale organizes data in a specific, ranked order.

Communication Research

The study of how people use messages to generate meanings within and across various contexts, channels, and media.

Metric

A quantitative measure for a concept or activity—for example, the impact factor in scholarly publishing as a measure of influence.