A Study by Cohen and Colleagues (1995)attempted to Sort Out

A study by Cohen and colleagues (1995) attempted to sort out the relative contributions of state and trait-negative affect on the development of colds and flu.The results showed that______________________ was correlated with objectively confirmed symptoms.

A) both state and trait-negative affect
B) only state-negative affect
C) only trait-negative affect
D) neither state nor trait-negative affect
E) state-negative was twice as likely as train negative affect