Which physiological indicator suggests a person is in REM sleep?
a) variable respiration rate
b) low levels of brain activity
c) absence of any indications of sexual arousal
d) high levels of activity in the major muscle groups
Ans: a) variable respiration rate
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The best-fitting straight line through a set of points in a scatter diagram is known as the a. regression line
b. linear line. c. correlation line. d. perfect correlation.
Nicole's parents are trying to decrease the number of phone calls that she makes in a day. If Nicole makes fewer than 5 calls in a day, she is allowed to have a friend over the next day. In which DRL variation is the reinforcer delivered if the number of responses that occur in a period of time is less than a specified level
a. full-session DRL b. spaced-responding DRL c. whole-interval DRL d. response DRL
Protecting the body from disease is the primary function of this type of protein:
a. collagen b. antibody c. enzyme d. insulin
When studying mental disorders, such as depression or anxiety, and the therapies used to treat them, psychologists usually use
a. case studies. b. controlled experiments. c. the survey method. d. the correlational method.