Hans Eysenck identified three superfactors. Which of the following is NOT one of them?

Which of the following statements about tracking is false?

A. Teaching quality is more or less the same in different tracks. B. Students who are tracked tend to socialize mainly with peers from the same academic group. C. Tracking can cause hostility between students in different tracks. D. Tracking procedures often discriminate against minority and poor students.

The first organ system that shows any sign of activity is the:

respiratory system. digestive system. nervous system. cardiovascular system.