Abilene paradox management expert Jerry B. Harvey in his 1974 article "The Abilene Paradox: The Management of Agreement". The name of the phenomenon comes from an anecdote that Harvey uses in the article to elucidate the paradox: Ronald Sims writes that the Abilene paradox is similar to groupthink, but differs in significant ways, including that in groupthink individuals are not acting contrary to their conscious wishes and generally feel good about the decisions the group has reached. According to Sims, in the Abilene paradox, the individuals acting contrary to their own wishes are more likely to have negative feelings about the outcome.
Group decision-making from dissenting opinions) have been noted to have a negative effect on group decision-making and hence on group effectiveness. Moreover, when individuals make decisions as part of a group, there is a tendency to exhibit a bias towards discussing shared information (i.e. shared information bias), as opposed to unshared information. The social identity approach suggests a more general approach to group decision-making than the popular groupthink model, which is a narrow look at situations where group and other decision-making is flawed. Social identity analysis suggests that the changes which occur during collective decision-making is part of rational psychological processes which