What differentiates chi square from other types of hypothesis testing?

What suggestion is shared by both the metacognitive theory and the avoidance theory of generalized anxiety disorder?

a.) that the only reasonable solution to generalized anxiety disorder is the use of medication b.) that the defense mechanism of reaction formation is at play in this illness c.) that generalized anxiety disorder is a function of emotional abuse during childhood d.) that worrying serves some sort of "positive" function for the sufferer

According to the text, if you were a volunteer working with an AIDS population in Africa today, you would need to raise about how many dollars to pay for one patient's antiretroviral therapy for a year?

a. about $10,000 b. about $3,000 c. about $300 d. about $13