Suppose You Collect Data About Child Abuse and Find That

question 83

Multiple Choice

Suppose you collect data about child abuse and find that mothers who have their first child before age 18 are more likely to be abusive than mothers who are older. However, you also note that young mothers are also more likely to be poor and have less access to prenatal care. Therefore, you cannot draw conclusions about maternal age and child abuse. The reason you cannot draw this conclusion is because your study involved:

• A) a sequential-cohort design
• B) a nonrandom sample
• C) a nonrepresentative sample
• D) confounding

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Definitions:

Electrode

A conductor through which electricity enters or leaves an object, substance, or region, used in various applications like batteries or medical devices.

ECG

An ECG, or Electrocardiogram, is a medical test that measures the electrical activity of the heart to identify abnormalities in heart rhythm and structure.

Color Code

A system for displaying information by using different colors for easy identification and categorization.

Lead Arrangement

In the context of electrocardiography, lead arrangement refers to the configuration and placement of electrodes on the body to measure the heart's electrical activity.