Which of the following would be an example of the intervals method of quantifying behavior?
A. Recording how long a behavior lasts across time intervals
B. Counting the number of times that a behavior occurs during successive 2-minute intervals
C. Dividing observation time into discrete periods and recording whether or not a behavior occurs within each period
D. None of the answers is correct.
Answer: C
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Which of the following correlation coefficients reflects the strongest meaningful relationship?
a. +0.67 b. 0.00 c. -0.86 d. +1.25
Keisha suffers from post-traumatic stress disorder. Her primary symptom is being unable to relax and difficulty falling asleep. Based on this description, Keisha's symptoms are an example of which aspect of PTSD?
a. emotional numbing b. avoidance of cues associated with the trauma c. impaired functioning d. reexperiencing the traumatic event e. heightened arousal
Regarding the age ranges for the risk of HIV/AIDS, which of the following statements is accurate? a. For women, the highest risk is between the ages of 15 and 25. b. For women, the highest risk is during their late 20s and early 30s. c. The age range for risk is lower for men than for women
d. The age ranges for risk are the same for both males and females.
These approaches are based in the ideas and actions of people who have direct experience with a community problem
a. top-down b. bottom-up c. a preventive perspective d. all of the above