Which of the Following Is NOT Possible

question 5

Multiple Choice

Which of the following is NOT possible?

• A)A measure is neither reliable nor valid.
• B)A measure is both valid and reliable.
• C)A measure is reliable but not valid.
• D)A measure is valid but not reliable.

---

Definitions:

Alzheimer's Disease

A progressive brain disorder that causes memory loss, impaired thinking, and changes in behavior; it is the most common cause of dementia in older adults.

Memory-linked Proteins

Proteins in the brain that play crucial roles in the formation and retrieval of memories.

Norepinephrine

A neurotransmitter involved in the body's fight or flight response, affecting mood and energy levels.

PET Scan

A diagnostic imaging test using a radioactive substance to show how your tissues and organs are functioning.