Name one benefit and one limitation of comparative investigations

A comparative investigation is the collection of data on different objects/features/organisms, or collection of data under different conditions, for example, the time of year, temperature, and locations to make a comparison. In a comparative investigation, a scientist looks for patterns through comparison of similarities and differences over time and under various conditions. Comparative investigations have a research question, possible hypothesis, procedures, and a conclusion.

Benefits

-Practical uses - Quick, cheap and easily accessible

-Scientists Use comparative investigations to establish correlations between variables. , for example, used this method to create a link between the level of social interrogation and rates of suicide.

Limitation

-Difficulty is experienced when operationalizing variables

-The method also relies on the use of official statistics which interpretivists argue that they are socially constructed for example Durkheim’s study on official stats on suicide being accurate.

number 4. should be the correct answer

can someone me with this question:  

1) the end of the conflict between the north and the south didn’t just mark the end of a war; it marked the end of an entire way of life.” which statement best describes what this statement means?  

a) the southerners were no longer free and were controlled by the northern states.

b) the industrial economy in the north was not sustainable.

c) slavery became illegal, which changed completely the south’s labor force and the agricultural economy was destroyed.

d) the states decided to relinquish their independence and return to britain’s rule.