mongvan33 mongvan33
  • 26-01-2017
  • Physics
contestada

Which of the following types of research is conducted on multiple occasions over time?

Respuesta :

M10421395
M10421395 M10421395
  • 03-02-2017
I'm assuming the question has the same multiple choices as previous questions asked. 

A. experimental
B. longitudinalC. representativeD. cross-sectional

I believe the answer is b. longitudinal
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