What is the best explanation for the dog's superior sense of smell compared to ours?
a) They have long snouts.
b) They are closer to the ground.
c) Their olfactory epithelium is much larger.
d) Their olfactory neurons project into their brain and ours don't.
Answer: c
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Dr. Kochkodin wants to do a research study where he will be able to determine if changes in room temperature cause changes in exam score among undergraduate psychology students. What sort of research design is he most likely to use?
a. A correlational study b. An experimental study c. A case study d. Naturalistic observation
Showing up on time for class correlates positively with better grades in the course. What conclusion, if any, follows? a. Being in class the whole time improves learning of the material
b. Students who are doing well in the course tend to show more interest. c. Students who are conscientious about attendance are also conscientious about studying. d. None of these conclusions follow from the observation.