If the two pandas have a cub, the new contract states the Memphis Zoo does not have to pay China a yearly fee on that. However, the cub will have to be returned to China after four years.
Panel study. A panel study is a longitudinal study design where a cross-sectional sample of units is selected and surveyed at usually regular intervals. The observation units may be individuals, households, firms or other organisations, or even countries. Household panel surveys are an important sub-type of panel study.
the process of conducting a panel study. 1. a sample aka a panel is drawn from a population of time 1 and data is collected frm the sample. 2.as time passes some panel memebers become unavaibable for follow up and population changes. 3. at time two data is collected from the same people s time expect for those people that connot be located.