a) one-dimensional scale of expertise for pharmacodynamics 

simplest ---------------------------------------------------------------------------------------------------> most difficult

i)

ii)

b) one-dimensional scale of expertise for pharmacokinetics 

simplest ------------------------------------------------------------------------------------------------> most difficult

v)

iv)

iii)

c) one-dimensional scale of expertise for clinical diagnosis 

simplest ------------------------------------------------------------------------------------------------> most difficult 

vi)

vii)

viii)

Figure 6. Dimensions of Therapeutics