Compared to a z-score, a hypothesis test with a t statistic requires more information from the sample

Which of these is an example of a biological mechanism playing a role in the onset of abnormal behavior?

a. a virus causes damage to the CNS b. a child observes an adult hitting another adult c. a newborn sustains an injury during birth d. a child falls and sustains a head injury

Gate-control therapy can teach pain sufferers to use coping strategies such as distraction and imagery to alleviate their suffering

Indicate whether this statement is true or false.