Researcher B Collects the Number of New Building Permits Issued

question 37

Multiple Choice

Researcher B collects the number of new building permits issued in Sunny City every month for 5 years prior to the establishment of Sunny City's new development controls and for 5 years after the development controls were in place.B wants to know if the development controls changed the number of new building permits.B's research design is ______.

• A)true experiment
• B)noncomparable groups
• C)cross-sectional research
• D)time series