Matt is visibly excited to see his father when his father comes home from work every evening. Now, he is equally excited when he hears his father's car in the driveway, because he associates this with his father coming home. In this scenario, Matt's behavior can best be explained by .

Awaiver of the requirement for documentation of informed consent may be granted when: the investigator has no convenient place to store signed consent forms separate from the research datathe only record linking the subject and the research is the consent document and the principal risk is a breach of confidentiality. potential subjects might find some of the research questions embarrassing, personal, or intrusivethe subjects are literate in their own language; however, they do not read, write, or speak english

Which statement best describes an advantage of indirect democracy over direct democracy? a. it can make decision making more efficient b. it can citizens feel more connected to government c. it can be more responsive to citizens' interests d. it can better reflect the democratic principle of majority rule

Open opinion / / / if a juvenile committed murder, should the juvenile be in prison for life or be free and seek instead? which and why?