Add. --255 + (-515)

question 560

Multiple Choice

Add.
--255 + (-515)

• A) -160
• B) 260
• C) -770
• D) -260

Understand the importance of operational definitions in research methodology.

Explain the concept and importance of blind and double-blind studies.

Distinguish between different experimental designs and their applications.

Identify and explain the purpose and types of measurement scales in research.

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Definitions:

Jagged

Having a sharply uneven surface or outline.

Open Wound

A break in the skin or mucous membrane exposing internal tissue to the external environment.

Loss of Sensation

A reduction or absence of the ability to perceive stimuli through touch, often indicative of nerve damage or neurological conditions.

Preservative

A substance added to products such as foods, pharmaceuticals, and cosmetics to prevent spoilage or degradation by microbial growth or undesirable chemical changes.