In Their Study of 'Using Individual Growth Model to Analyse

Multiple Choice

In their study of 'Using individual growth model to analyse the change in quality of life from adolescence to adulthood' (2006) , Chen and Cohen conducted interviews on 3 different occasions over a period of time and the following graph demonstrates the physical health changes noted over these 3 periods in 20 of their sample. Individual Physical Health Change (raw data, n = 20)
Chen and Cohen Health and Quality of Life Outcomes 2006 4:10 doi:10.1186/1477-7525-4-10
With reference to the graph, what can be deduced about the majority of those sampled?

A) Physical health increases with age.
B) Physical health decreases with age.
C) Most of the sample have good physical health.
D) Most of the sample have failing physical health.