On a New Test of Academic Ability, People Who Get

question 123

Multiple Choice

On a new test of academic ability, people who get high scores one time generally get high scores again if they take the test a second time. However, students who do well on this test are not much more likely (nor less likely) than other students to do well in school. Therefore the test has __________ reliability and __________ validity.

• A) high...high
• B) high...low
• C) low...low
• D) low...high

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Definitions:

Ghrelin Production

The process of producing ghrelin, a hormone that stimulates appetite, promotes fat storage, and is involved in regulating energy balance.

Leptin Levels

Concentrations of leptin, a hormone produced by fat cells that is involved in regulating appetite and energy balance.

Arcuate Nucleus

A nucleus located in the hypothalamus that plays a crucial role in appetite regulation and other neuroendocrine functions.

Hypothalamus

This brain section, found below the thalamus, plays a key role in directing the operations of the autonomic nervous system and the pituitary gland's output, ensuring the regulation of crucial bodily processes including temperature, thirst, hunger, and the balance of bodily systems.