The Students in Dr

question 9

Multiple Choice

The students in Dr. Miller's class are complaining that, although the exam was supposed to cover chapters 1 through 5, the test only covered chapters 1 and 2. Why are the students upset?

• A) The test isn't reliable.
• B) The test doesn't have face validity.
• C) The test doesn't have content validity.
• D) The test has incomplete validity.

---

Definitions:

Sleep Cycle

The progression through various stages of NREM and REM sleep repeating approximately every 90 minutes.

REM Sleep

A phase of sleep characterized by rapid eye movements, more vivid dreams, and increased brain activity.

Sleep Poorly

A condition characterized by difficulty falling asleep, frequent awakenings, or non-restorative sleep.

Sleeping Aid

Medications or natural remedies that are used to improve sleep quality or to alleviate difficulties falling asleep.