ConcepTest: World Oceans #8

and is replicated here as part of the SERC Pedagogic Service.
Question:
Examine the map of the world's oceans and use it to answer the following question.
The global ocean conveyer belt begins with surface waters sinking to deeper levels at ___.
b. G
c. E
d. D

Student Responses:
If you would like to help acquire more Before and After statistics for this example, please contact the authors (see link at top of page).
References and Notes:
The use of ConcepTests and Peer Instruction is discussed in detail on the ConcepTest page.
McConnell, D.A., Steer, D.N. and Owens, K.A., 2003, Assessment and Active Learning Strategies for Introductory Geology Courses, Journal of Geoscience Education, 51(2), 205-216.
McConnell, D.A., Steer et al., 2006, Using Conceptests to Assess and Improve Student Conceptual Understanding in Introductory Courses, Journal of Geoscience Education, (54(1), 61-68.