Tariq is 3 years old. His preschool teachers have noticed that he avoids eye contact with them and does not seem to be making friends in the class. He prefers to be alone playing with a set of blocks and doesn't want to be pulled away from them, even to eat. These symptoms point to the possibility of ______.
A. autism
B. dyslexia
C. dyscalculia
D. a learning disability
Answer: A
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A researcher who brings dating couples into the laboratory to be observed while they are solving a problem is most likely using ____
a. participant observation b. naturalistic observation c. contrived observation d. case study research
In the days following September 11, 2001, the contemporary American death system
a. gave advance warnings of the assault that was to occur at the World Trade Center b. sought to work toward social consolidation c. rejected the idea that rallying symbols could be helpful to our society d. found those responsible for placing a bomb in a parking garage at the World Trade Center e. prevented the spreading of anthrax spores through the mails
Current theories of the antidepressant action of drugs focus less on the initial biochemical effects of the drugs and more on the
A. patient's personality. B. levels of brain serotonin. C. electrical potential of the membrane. D. delayed reaction of the neurons to repeated drug exposure.
Which of the following is an example of an incomplete dominant inheritance?
a. Down syndrome b. Fragile X c. sickle-cell anemia d. HIV