Which disorder would include intentionally taking drugs in order to stimulate various real illnesses?

What is a new method of for computing heritability that may replace the use of twin studies?

a. Case studies. b. Total variance statistics. c. Genome-wide association studies d. Adoption studies.

Clever Hans was a horse that at first appeared to have what surprising ability?

a. Language comprehension b. Mind reading c. Mathematical calculation d. Disappearance