When a Confound Exists

question 16

Multiple Choice

When a confound exists,

• A)it means that the researcher failed to include a control group in the study
• B)it is the confounding factor, not the independent variable, which causes the behavior to occur
• C)there will be at least two different ways of interpreting the results
• D)it simply means that the dependent variable hasn't been defined precisely enough

Understand how mass extinction events and major geological phenomena are recorded in the geologic timescale.

Recognize different forms of life that have existed on Earth through different geological periods.

Learn about the earliest forms of life and evidence for the development of an oxygen-rich atmosphere.

Understand different channels and methods of workplace communication including digital mediums.

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Definitions:

Digital Rectal Exam

A medical examination where a doctor inserts a lubricated, gloved finger into the rectum to check for abnormalities of organs or other structures in the pelvis and lower abdomen.

Pulmonary Function Test

Medical tests that measure the lungs' ability to take in and exhale air as well as their efficiency in transferring oxygen into the blood.

Auscultation

The act of listening to the sounds made by internal organs, typically with a stethoscope, as part of a medical examination.

Palpation

The act of using one's hands to examine the body, especially while perceiving/diagnosing a disease or illness.