. McManus works in the prison system as a psychologist. He wants to show that his new clinical treatment makes prisoners less likely to commit a crime when they are released back into the community. What is his hypothesis?

Which factor is least likely to influence one's choice of purchase? a friend's opinion the advice of a salesperson the price of an item the day of the purchase

Which step would a state health department most likely take to reduce lead exposure? promote health-planning operations to limit lead exposure at home.evaluate the number of countries affected by lead exposure.create general national guidelines for working with lead.carry out research on the worldwide effects of lead products.

Investigator a has biological specimens that are coded and linked to identifiers of the source individuals. investigator a provides the specimens to investigator b but does not provide the individual identifiers. investigator b agrees not to re-identify the source individuals. is investigator b's research using the biospecimens human subjects research according to the definition of human subjects research in the federal regulations?