The validation of measurement constructs is an iterative
process (Schwab 1980). The results suggest some areas for potential
refinement of the public service motivation scale. One is the
addition of positively worded items to the policy-making subscale.
Two positively worded items originally included on the
subscale were eliminated because they detracted from internal
consistency. Because the current subscale is composed entirely of
negatively worded items, it confounds whether the subscale taps
the attraction to policy-making dimension or whether it also may
tap cynicism or negative affect toward politics. Thus the addition
of positively worded items would be desirabl