A teacher suspects that students' memory is superior when learning interesting rather than dull material. To determine if this is true, she lectures on an interesting topic (sex) to her Psychology class in the morning class and has a colleague lecture on a boring topic (bird migration patterns) to his Biology class in the afternoon. Contrary to the teacher's expectations, there were no differences in memory for interesting compared to dull material.

For the experiment described above, identify...

• the hypothesis/research prediction
• the independent variable (IV) & dependent variable(DV)
• any confounding variable(s).
• a method to "unconfound" the experiment.
• the type of basic design once "unconfounded" (either independent groups, repeated measures, or matched-pairs