To find out the potential impact of a new zoning law on a neighborhood, the legislators conduct a focus group interview by inviting the members of the housing owners association of that neighborhood. This is an example of a

Average tariff rates have ________ since 1950

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

A scale consisting of multiple items, in which an item is a single question or statement to be evaluated, is called a ________

A) forced rating scale B) systematic scale C) multiple measurement scale D) multi-item scale E) single question scale