When a child produces a single word, such as bottle, it may mean a variety of things, such as "I want the bottle" or "there's the bottle" or "I like the bottle." This type of usage is referred to as:

Behavior therapists see the effectiveness of behavior therapy as deriving from specific, learning-based procedures

Indicate whether the statement is true or false

As a sleep researcher is monitoring you, he notices that your brain waves are showing almost all delta waves. He awakens you at this point, and you awaken in a complete state of confusion. You are most likely in which stage of sleep?

a. Stage 4 of NREM b. REM sleep c. Stage 2 of NREM d. Stage 1 of NREM