What Is a Cross-Sectional Design and How Is It Different

question 269

Essay

What is a cross-sectional design and how is it different from a longitudinal design and a sequential design? Briefly describe how each design could be used to examine how marital satisfaction changes with age.

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Definitions:

Apgar Scale

A scoring system used to assess the physical condition of a newborn immediately after birth, focusing on heart rate, respiration, muscle tone, response to stimulation, and skin coloration.

Newborn

An infant who is within hours, days, or up to a few weeks old, generally considered from birth to 28 days of age.

Active Labor

A phase of childbirth in which contractions become more intense and frequent, leading to the dilation of the cervix for delivery.

Apgar Score

A quick test performed on a newborn at 1 and 5 minutes after birth, assessing five criteria to evaluate the baby's physical condition and determine any need for further medical intervention.