Martin Et Al

Martin et al. (2005) found that when participants were given a drink containing caffeine and then read a counter-attitudinal message

A) their ability to focus was increased and they used central route processing of the message.
B) their ability to focus was decreased and they used central route processing of the message.
C) their ability to focus was increased and they used peripheral route processing of the message.
D) their ability to focus was decreased and they used peripheral route processing of the message.