Dr. Dickinson is investigating the link between social support networks and grades in school. Students in his classes are required to complete survey forms related to this research. If a survey form is not completed by the end of the semester, a student's grade is reduced by 10 points. In this case, some researchers might argue that Dr. Dickinson's research violates the ethical principle of

The messages in the nervous system are carried through nerves; the messages in the endocrine system are carried through ______

a. ducts b. glands c. the somatic system d. the bloodstream

In the West, __________________________

a. most children show signs of readiness for toilet training by their first birthday b. views on toilet training have remained the same over the last several decades c. children are toilet trained in a way that is nearly identical to their counterparts in traditional cultures d. a sign of being ready to begin toilet training is when the child can stay "dry" for an hour or two during the day