What Does These Term Refere To

question 6

Multiple Choice

What does these term refere to:
-Ultrasound

• A) sound pressure wave
• B) speaker
• C) woofer
• D) none of the above

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Definitions:

Correlational Studies

A type of non-experimental research method that measures the relationship between two or more variables without manipulating them.

Positive or Negative

Terms that indicate the presence or absence of a trait, condition, or result, also can reflect desirable or undesirable qualities.

Unethical

Actions or behaviors that violate moral principles or professional standards.

Placebo

A substance with no therapeutic effect, used as a control in testing new drugs, or to trigger a psychological benefit in the patient.