Answer:
C. The increased importance of industrialization.
Explanation:
The rapid development of cities was due to the growth of industrialization. Industrialization was increasingly demanding labor, so people moved from the countryside to the city in search of better living conditions and income. Particularly in the US, nineteenth-century industrial development ,and consequent urbanization ,were very much driven by the development of railways, which gave industry conditions to lower production and transportation costs in order to develop more rapidly.
The smoking problem among minors
Answer:
The operational definition of "helpful" in Tamika's study is the person that helps her pick up her papers.
Explanation:
In social research, the variable that the researcher wants to study has to have a conceptual and an operational definition. The conceptual definition is the definition you would normally find in a dictionary and it explains how the what the concept means and how it relates to other constructs. The operational concept explains how the researcher is going to measure it, how that concept can take place in reality.
In Tamika's study, to measure the concept "helpull" she is going to measure how many people help her pick up her papers, this is the operational concept since it is how she is going to measure if women are more helpfull than men.