Ms. Chen wants to know how many students ride their bikes through CSUF's campus. She hires two student researchers and has them each count the number of times they see a bike in front of the student center. This is an example of: Ms. Chen wants to know how many students ride their bikes through CSUF's campus. She hires two student researchers and has them each count the number of times they see a bike in front of the student center. This is an example of: naturalistic observation case study archival research systematic observation