Teenagers require 8 hours of sleep a night. What proportion of this should be REM sleep?
A. One-fourth
B. One-third
C. One-half
D. Two-thirds
Answer: A
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A/an ____________________ refers to something that reliably produces a naturally occurring reaction in an organism.
A. unconditioned stimulus (US) B. unconditioned response (UR) C. conditioned stimulus (CS) D. conditioned response (CR) E. acquisition
If theorist Howard Gardner were seen marching with an informational sign at a psychology conference, the sign would say,
a. "A single score says it all.". b. "You gotta be born with the right stuff.". c. "Work hard to earn success.". d. "Many scores for many smarts.".
Drugs that some athletes use to "bulk up" or promote muscle growth are ________ steroids. They are synthetic versions of testosterone.
A) anaerobic B) adrenergic C) atrophic D) anabolic
Weber's Law is I/I = K; and values for K are: .02 for weight; .08 for brightness; and .03 for length. If a line is 30" long, what is the minimum change in length before one would notice a difference between the two?
a. .9" b. .6" c. .3" d. none of the above