Which of the following is a difference between internal attributions and external attributions? a. internal attributions are those in which behavior is thought to be voluntary or under the control of the individual, whereas external attributions are those in which behavior is thought to be involuntary and beyond of the control of the individual. b. external attributions result in the fundamental attribution error, whereas internal attributions result in the defensive bias. c. external attributions stimulate effective communication in organizations, whereas internal attributions present a significant challenge to effective communication in organizations. d. internal attributions are typically used by workers, whereas external attributions are typically used by managers.