A particular national sample of high school seniors has been followed and surveyed periodically for 20 years. This is an example of a ____ survey.
a. cohort c. trend
b. panel d. cross-sectional
Question 2
Which of the following is most likely to promote a sense of industry among students?
a. Encourage intense competition for top grades by limiting the number of available A's and B's.
b. Create reasonable performance standards and communicate those standards to students.
c. Encourage communication with local businesses to keep students informed of available job opportunities.
d. Set a class curve, making sure that equal percentages of students receive A's, B's C's, D's, and F's.
El Niño and areas of high marine primary production around the Galapagos Islands. Noti
Cheetah at the Maasai Mara National Reserve
Sample prescriptions of antibiotics for dental infections.
How high a hill would a 75-kg hiker have to climb to increase her gravitational potential ...