Features of Collective Memory
Free-riding and Social loafing Group members do not remember as much as they have the capacity to remember, as group members engage in free-riding and social loafing. When group members realize - be it implicitly or explicitly - that others will aid in the recall of information, they will put less effort into processing and storing the information. In some situations, these inadequacies in collective memory may be so great that groups are unable to recall previously-made decisions without the aid of a written record (group minutes).
Cross-cueing Information exchange among group members often helps individuals to remember things that they would not have remembered had they been working alone. In other words, the information provided by Person A may 'cue' memories in Person B. This phenomenon results in enhanced recall.
Transactive memory Members of a group often specialize, to a greater or lesser degree, in different areas. Transactive memory refers to the process by which information that must be remembered is distributed (either explicitly or implicitly) to members of the group who can either be relied upon to provide the information when it is needed. For example, the weapons expert in a group may remember the specifications of a new semi-automatic rifle, while the scout may remember the layout of trenches at enemy lines.
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