Because internals and externals may differ in level of skepticism, I expected that the effects of guilt appeal would be different for people with an internal ELOC compared with people with an external ELOC.
external) between-subjects experiment to measure individual differences in ELOC.
I used the ELOC instrument developed by Hamilton (1986).
I used a median split to classify participants into external and internal ELOC groups.
Results of a 3-way interaction of message appeal, environmental hyperopia, and ELOC was significant: attitudes, F(1, 414) = 42.
Data on the individuals with internal ELOC were further examined.
The strong self-motivation of the group with internal ELOC may activate prior green knowledge and green schema.