Neuroimaging studies of children with ADHD have shown that these children have _____ prefrontal cortex region.
A. smaller right
B. enlarge right
C. enlarge left
D. smaller left
Answer: A. smaller right
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Kinkeepers help keep family members in touch
a. True b. False Indicate whether the statement is true or false
When we do not know the population mean we cannot use the z-test because the ______ cannot be calculated exactly.
A. standard error B. distribution frequency C. p value D. estimated standard error
The preschool teachers have started reducing the amount of time children must spend cleaning the classroom when the class has behaved well the entire day. The teachers have started using which of the following as a way to increase the likelihood that children will behave well?
a. positive reinforcement b. negative reinforcement c. positive punishment d. negative punishment
According to the text, in African American and Native American families, about ___percent of grandparents are their grandchildren's primary caregivers
a. 10% b. 25% c. 33% d. 50%