The _____ tax is generally regarded as the most regressive, while the _____ tax is generally regarded as the most progressive

A major difference between differential research and experimental research is

A) the statistical tests employed on the data. B) the way participants are assigned to the groups or conditions. C) that, in experimental research, the assignment of participants is based on a preexisting variable. D) that differential research is more difficult to get published.

Frankenstein

A) was an early eighteenth century monster movie. B) is a metaphor for the potential misuse of science. C) is an accurate account of early biological experimentation. D) originated in the early 1950s over concern about atomic power.