Six months after a devastating earthquake, a researcher goes back and examines archival data (sales records, etc.) that indicate how prepared residents in the area were for a disaster before the earthquake hit unexpectedly. The researcher then gathers data on how prepared residents are for a disaster six months later and compares the scores. This study is an example of a(n) .

This study is an example of an interrupted time series analysis.

Explanation:

A quasi-experiment is a type of research that does not use random variables and whose purpose is to establish a relationship of cause and effect. Regarded as the strongest quasi-experiment design, an interrupted time series analysis occurs when data is collected at regular intervals during a period of time. In the example given in the question, the researcher collects data, waits six months, then collects data again with the purpose of comparing the scores.

for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.

answer; ethnocentrism;