Imagine that all members of your class have been tested to determine the level of 5-HIAA, a metabolite of serotonin, in their cerebrospinal fluid. Which of the following would you predict using this information? |
A | ) | Male classmates with low 5-HIAA levels will be more aggressive than those with high levels. | |
B | ) | Low 5-HIAA levels will be associated with good exam performance. | |
C | ) | High 5-HIAA levels will be associated with poor sleep patterns in males. | |
D | ) | Male classmates with high 5-HIAA levels may not be alive 10 years from now. | |
E | ) | Those with low 5-HIAA levels will be the thinnest persons in the class. |