According to the DSM-5, in order for ADHD to be diagnosed _____.
A. several symptoms have to begin before age 12
B. there must be signs of other disorders, such as bipolar disorder, present
C. symptoms must occur for at least 6 weeks
D. symptoms must occur in only one context, such as at school or at home
Ans: A. several symptoms have to begin before age 12
You might also like to view...
Which of the following is the best example of the signal-to-noise ratio?
A) Lisa has to listen very carefully to hear her friend talking in the car. B) Bobby is shouting at the neighbor's dog that is digging up his yard. C) While listening to the television, Kate is also reading her textbook. D) Robyn has to shout over the boisterous crowd at the football game to be heard.
Which of the following is true concerning operant conditioning principles?
A) Chaining involves reinforcing behaviors that come closer to the target behavior. B) Fading involves gradually decreasing the frequency of reinforcement for "not-exactly-right" behaviors. C) Shaping involves delivering punishment for unwanted behaviors. D) Chaining involves the shaping of the behavior by use of punishment and reinforcement.