Doxycycline is a semi-synthetic tetracycline antibiotic prescribed to treat various bacterial infections such as urinary tract and bladder infections. Veterinarians also use Doxycycline to treat some diseases such as Rocky Mountain Spotted Fever and Lyme disease.
Habituation is actually a good thing; it indicates that the child is learning. For example, when there's a loud noise, Parker is startled and looks at whatever makes the noise. He is scared that the loud noise might mean danger.
Spurious relationships are false indications of causality. They occur when theory omits an extraneous variable that affects two other variables that have no causal connection. The effects of the extraneous variable on the two other variables leads one to conclude, in error, that the two other variables are causally linked. This silly example illustrates a spurious relationship. City Manager Sapp, of Sappville, has collected data on the past 100 fires to occur in the city.