studied police interviews in florida and found that witnesses were often presented with short, closed questions which were not synchronised with the events that had taken place
Geiselman
developed the cognitive interview, identifying 4 key principles that they believed would enhance recall
contextreinstatement
when a person mentally recalls the context of the event
report everything
when a person recalls every detail that they can remember even those that may seem trivial
recall from changed perspective
when a person considers the event from someone elses point of view
recall in reverse order
where a person recall the events in reverse chronological order