The Concert of Europe was

A ____ committee is created to do a special job for a limited period.

Fill in the blank(s) with the appropriate word(s).

The reason for beginning data interpretation with the interaction rather than the main effect is

A) that it is more convenient to do it that way. B) to avoid reaching the erroneous conclusion that the main effect has more explanatory power than it warrants. C) that it is traditional to begin with the interaction. D) that it is easier to rule out the effects of the interaction this way.